diff options
Diffstat (limited to 'src/H5Fsuper.c')
| -rw-r--r-- | src/H5Fsuper.c | 1608 |
1 files changed, 1289 insertions, 319 deletions
diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c index dd80a46..d590119 100644 --- a/src/H5Fsuper.c +++ b/src/H5Fsuper.c @@ -1,68 +1,58 @@ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * - * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * - * the files COPYING and Copyright.html. COPYING can be found at the root * - * of the source code distribution tree; Copyright.html can be found at the * - * root level of an installed copy of the electronic HDF5 document set and * - * is linked from the top-level documents page. It can also be found at * - * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * - * access to either file, you may request a copy from help@hdfgroup.org. * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /****************/ /* Module Setup */ /****************/ -#define H5F_PACKAGE /*suppress error about including H5Fpkg */ - -/* Interface initialization */ -#define H5_INTERFACE_INIT_FUNC H5F_init_super_interface - +#include "H5Fmodule.h" /* This source code file is part of the H5F module */ /***********/ /* Headers */ /***********/ -#include "H5private.h" /* Generic Functions */ -#include "H5ACprivate.h" /* Metadata cache */ -#include "H5Eprivate.h" /* Error handling */ -#include "H5Fpkg.h" /* File access */ -#include "H5FDprivate.h" /* File drivers */ -#include "H5Iprivate.h" /* IDs */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Pprivate.h" /* Property lists */ -#include "H5SMprivate.h" /* Shared Object Header Messages */ - +#include "H5private.h" /* Generic Functions */ +#include "H5ACprivate.h" /* Metadata cache */ +#include "H5CXprivate.h" /* API Contexts */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fpkg.h" /* File access */ +#include "H5FDprivate.h" /* File drivers */ +#include "H5Iprivate.h" /* IDs */ +#include "H5MFprivate.h" /* File memory management */ +#include "H5MMprivate.h" /* Memory management */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5SMprivate.h" /* Shared Object Header Messages */ /****************/ /* Local Macros */ /****************/ - /******************/ /* Local Typedefs */ /******************/ - /********************/ /* Package Typedefs */ /********************/ - /********************/ /* Local Prototypes */ /********************/ -static herr_t H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr); - +static herr_t H5F__super_ext_create(H5F_t *f, H5O_loc_t *ext_ptr); +static herr_t H5F__update_super_ext_driver_msg(H5F_t *f); /*********************/ /* Package Variables */ /*********************/ - /*****************************/ /* Library Private Variables */ /*****************************/ @@ -70,37 +60,22 @@ static herr_t H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr); /* Declare a free list to manage the H5F_super_t struct */ H5FL_DEFINE(H5F_super_t); - /*******************/ /* Local Variables */ /*******************/ +/* Format version bounds for superblock */ +static const unsigned HDF5_superblock_ver_bounds[] = { + HDF5_SUPERBLOCK_VERSION_DEF, /* H5F_LIBVER_EARLIEST */ + HDF5_SUPERBLOCK_VERSION_2, /* H5F_LIBVER_V18 */ + HDF5_SUPERBLOCK_VERSION_3, /* H5F_LIBVER_V110 */ + HDF5_SUPERBLOCK_VERSION_3, /* H5F_LIBVER_V112 */ + HDF5_SUPERBLOCK_VERSION_3, /* H5F_LIBVER_V114 */ + HDF5_SUPERBLOCK_VERSION_LATEST /* H5F_LIBVER_LATEST */ +}; - -/*-------------------------------------------------------------------------- -NAME - H5F_init_super_interface -- Initialize interface-specific information -USAGE - herr_t H5F_init_super_interface() - -RETURNS - Non-negative on success/Negative on failure -DESCRIPTION - Initializes any interface-specific data or routines. (Just calls - H5F_init() currently). - ---------------------------------------------------------------------------*/ -static herr_t -H5F_init_super_interface(void) -{ - FUNC_ENTER_NOAPI_NOINIT_NOERR - - FUNC_LEAVE_NOAPI(H5F_init()) -} /* H5F_init_super_interface() */ - - /*------------------------------------------------------------------------- - * Function: H5F_super_ext_create + * Function: H5F__super_ext_create * * Purpose: Create the superblock extension * @@ -112,11 +87,11 @@ H5F_init_super_interface(void) *------------------------------------------------------------------------- */ static herr_t -H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr) +H5F__super_ext_create(H5F_t *f, H5O_loc_t *ext_ptr) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT + FUNC_ENTER_PACKAGE /* Sanity check */ HDassert(f); @@ -126,9 +101,11 @@ H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr) HDassert(ext_ptr); /* Check for older version of superblock format that can't support superblock extensions */ - if(f->shared->sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2) - HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "superblock extension not permitted with version %u of superblock", f->shared->sblock->super_vers) - else if(H5F_addr_defined(f->shared->sblock->ext_addr)) + if (f->shared->sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2) + HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, + "superblock extension not permitted with version %u of superblock", + f->shared->sblock->super_vers) + else if (H5F_addr_defined(f->shared->sblock->ext_addr)) HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "superblock extension already exists?!?!") else { /* The superblock extension isn't actually a group, but the @@ -140,7 +117,7 @@ H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr) * extension. */ H5O_loc_reset(ext_ptr); - if(H5O_create(f, dxpl_id, 0, (size_t)1, H5P_GROUP_CREATE_DEFAULT, ext_ptr) < 0) + if (H5O_create(f, (size_t)0, (size_t)1, H5P_GROUP_CREATE_DEFAULT, ext_ptr) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCREATE, FAIL, "unable to create superblock extension") /* Record the address of the superblock extension */ @@ -149,11 +126,10 @@ H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr) done: FUNC_LEAVE_NOAPI(ret_value) -} /* H5F_super_ext_create() */ +} /* H5F__super_ext_create() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_ext_open + * Function: H5F__super_ext_open * * Purpose: Open an existing superblock extension * @@ -165,11 +141,11 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_super_ext_open(H5F_t *f, haddr_t ext_addr, H5O_loc_t *ext_ptr) +H5F__super_ext_open(H5F_t *f, haddr_t ext_addr, H5O_loc_t *ext_ptr) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT + FUNC_ENTER_PACKAGE /* Sanity check */ HDassert(f); @@ -182,16 +158,15 @@ H5F_super_ext_open(H5F_t *f, haddr_t ext_addr, H5O_loc_t *ext_ptr) ext_ptr->addr = ext_addr; /* Open the superblock extension object header */ - if(H5O_open(ext_ptr) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open superblock extension") + if (H5O_open(ext_ptr) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open superblock extension") done: FUNC_LEAVE_NOAPI(ret_value) -} /* H5F_super_ext_open() */ +} /* H5F__super_ext_open() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_ext_close + * Function: H5F__super_ext_close * * Purpose: Close superblock extension * @@ -203,41 +178,128 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_super_ext_close(H5F_t *f, H5O_loc_t *ext_ptr, hid_t dxpl_id, - hbool_t was_created) +H5F__super_ext_close(H5F_t *f, H5O_loc_t *ext_ptr, hbool_t was_created) { - herr_t ret_value = SUCCEED; /* Return value */ + H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT + FUNC_ENTER_PACKAGE /* Sanity check */ HDassert(f); HDassert(ext_ptr); /* Check if extension was created */ - if(was_created) { + if (was_created) { + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SBE, &orig_ring); + /* Increment link count on superblock extension's object header */ - if(H5O_link(ext_ptr, 1, dxpl_id) < 0) + if (H5O_link(ext_ptr, 1) < 0) HGOTO_ERROR(H5E_FILE, H5E_LINKCOUNT, FAIL, "unable to increment hard link count") /* Decrement refcount on superblock extension's object header in memory */ - if(H5O_dec_rc_by_loc(ext_ptr, dxpl_id) < 0) - HDONE_ERROR(H5E_FILE, H5E_CANTDEC, FAIL, "unable to decrement refcount on superblock extension") + if (H5O_dec_rc_by_loc(ext_ptr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTDEC, FAIL, "unable to decrement refcount on superblock extension"); } /* end if */ /* Twiddle the number of open objects to avoid closing the file. */ f->nopen_objs++; - if(H5O_close(ext_ptr) < 0) + if (H5O_close(ext_ptr, NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to close superblock extension") f->nopen_objs--; done: + /* Reset the ring in the API context */ + if (orig_ring != H5AC_RING_INV) + H5AC_set_ring(orig_ring, NULL); + FUNC_LEAVE_NOAPI(ret_value) -} /* H5F_super_ext_close() */ +} /* H5F__super_ext_close() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_read + * Function: H5F__update_super_ext_driver_msg + * + * Purpose: Update the superblock extension file driver info message if + * we are using a V 2 superblock. Observe that the function + * is a NO-OP if the file driver info message does not exist. + * This is necessary, as the function is called whenever the + * EOA is updated, and were it to create the file driver info + * message, it would find itself in an infinite recursion. + * + * Return: Success: SUCCEED + * Failure: FAIL + * + * Programmer: John Mainzer + * 11/10/15 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5F__update_super_ext_driver_msg(H5F_t *f) +{ + H5F_super_t *sblock; /* Pointer to the super block */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* Sanity check */ + HDassert(f); + HDassert(f->shared); + sblock = f->shared->sblock; + HDassert(sblock); + HDassert(sblock->cache_info.magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); + HDassert(sblock->cache_info.type == H5AC_SUPERBLOCK); + + /* Update the driver information message in the superblock extension + * if appropriate. + */ + if (sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2) { + if (H5F_addr_defined(sblock->ext_addr)) { + /* Check for ignoring the driver info for this file */ + if (!H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO)) { + size_t driver_size; /* Size of driver info block (bytes)*/ + + /* Check for driver info */ + H5_CHECKED_ASSIGN(driver_size, size_t, H5FD_sb_size(f->shared->lf), hsize_t); + + /* Nothing to do unless there is both driver info and + * the driver info superblock extension message has + * already been created. + */ + if (driver_size > 0) { + H5O_drvinfo_t drvinfo; /* Driver info */ + uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */ + + /* Sanity check */ + HDassert(driver_size <= H5F_MAX_DRVINFOBLOCK_SIZE); + + /* Encode driver-specific data */ + if (H5FD_sb_encode(f->shared->lf, drvinfo.name, dbuf) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information") + + /* Write the message to the superblock extension. + * + * Note that the superblock extension and the + * file driver info message must already exist. + */ + drvinfo.len = driver_size; + drvinfo.buf = dbuf; + if (H5F__super_ext_write_msg(f, H5O_DRVINFO_ID, &drvinfo, FALSE, H5O_MSG_NO_FLAGS_SET) < + 0) + HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, + "unable to update driver info header message") + } /* end if driver_size > 0 */ + } /* end if !H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO) */ + } /* end if superblock extension exists */ + } /* end if sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2 */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5F__update_super_ext_driver_msg() */ + +/*------------------------------------------------------------------------- + * Function: H5F__super_read * * Purpose: Reads the superblock from the file or from the BUF. If * ADDR is a valid address, then it reads it from the file. @@ -248,73 +310,766 @@ done: * Failure: FAIL * * Programmer: Bill Wendling - * wendling@ncsa.uiuc.edu * Sept 12, 2003 * *------------------------------------------------------------------------- */ herr_t -H5F_super_read(H5F_t *f, hid_t dxpl_id) +H5F__super_read(H5F_t *f, H5P_genplist_t *fa_plist, hbool_t initial_read) { - H5P_genplist_t *dxpl; /* DXPL object */ - H5F_super_t * sblock = NULL; /* superblock structure */ - unsigned sblock_flags = H5AC__NO_FLAGS_SET; /* flags used in superblock unprotect call */ - haddr_t super_addr; /* Absolute address of superblock */ - H5AC_protect_t rw; /* read/write permissions for file */ - hbool_t dirtied = FALSE; /* Bool for sblock protect call */ - herr_t ret_value = SUCCEED; /* return value */ - - FUNC_ENTER_NOAPI_TAG(dxpl_id, H5AC__SUPERBLOCK_TAG, FAIL) + H5AC_ring_t orig_ring = H5AC_RING_INV; + H5F_super_t *sblock = NULL; /* Superblock structure */ + H5F_superblock_cache_ud_t udata; /* User data for cache callbacks */ + H5P_genplist_t *c_plist; /* File creation property list */ + H5FD_t *file; /* File driver pointer */ + unsigned sblock_flags = H5AC__NO_FLAGS_SET; /* flags used in superblock unprotect call */ + haddr_t super_addr; /* Absolute address of superblock */ + haddr_t eof; /* End of file address */ + unsigned rw_flags; /* Read/write permissions for file */ + hbool_t skip_eof_check = FALSE; /* Whether to skip checking the EOF value */ +#ifdef H5_HAVE_PARALLEL + int mpi_size = 1; +#endif /* H5_HAVE_PARALLEL */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE_TAG(H5AC__SUPERBLOCK_TAG) + + /* initialize the drvinfo to NULL -- we will overwrite this if there + * is a driver information block + */ + f->shared->drvinfo = NULL; - /* Get the DXPL plist object for DXPL ID */ - if(NULL == (dxpl = (H5P_genplist_t *)H5I_object(dxpl_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list") + /* Set up file driver I/O info */ + file = f->shared->lf; /* Find the superblock */ - if(H5FD_locate_signature(f->shared->lf, dxpl, &super_addr) < 0) - HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to locate file signature") - if(HADDR_UNDEF == super_addr) +#ifdef H5_HAVE_PARALLEL + if (H5F_HAS_FEATURE(f, H5FD_FEAT_HAS_MPI)) + if ((mpi_size = H5F_mpi_get_size(f)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve MPI communicator size") + + /* If we are an MPI application with at least two processes, the + * following superblock signature location optimization is applicable. + * + * Note:: For parallel applications which don't setup for using the + * HDF5 MPIO driver, we will arrive here with mpi_size == 1. + * This occurs because of the variable initialization (above) and the + * fact that we have skipped actually calling MPI functions to determine + * our MPI rank and size. + */ + if (mpi_size > 1) { + MPI_Comm this_comm; + int mpi_rank; + int mpi_result; + + /* Sanity check */ + HDassert(H5F_HAS_FEATURE(f, H5FD_FEAT_HAS_MPI)); + + /* Set up MPI info */ + if ((mpi_rank = H5F_mpi_get_rank(f)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "Can't get MPI rank") + if (MPI_COMM_NULL == (this_comm = H5F_mpi_get_comm(f))) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get MPI communicator") + + /* Search for the file's signature only with rank 0 process */ + if (0 == mpi_rank) { + herr_t status; + + /* Try detecting file's signature */ + /* (Don't leave before Bcast, to avoid hang on error) */ + H5E_BEGIN_TRY + { + status = H5FD_locate_signature(file, &super_addr); + } + H5E_END_TRY; + + /* Set superblock address to undefined on error */ + if (status < 0) + super_addr = HADDR_UNDEF; + } /* end if */ + + /* Broadcast superblock address to other processes */ + if (MPI_SUCCESS != (mpi_result = MPI_Bcast(&super_addr, sizeof(super_addr), MPI_BYTE, 0, this_comm))) + HMPI_GOTO_ERROR(FAIL, "MPI_Bcast failed", mpi_result) + } /* end if */ + else { + /* Locate the signature as per per the serial library */ +#endif /* H5_HAVE_PARALLEL */ + + if (H5FD_locate_signature(file, &super_addr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to locate file signature") + +#ifdef H5_HAVE_PARALLEL + } /* end else */ +#endif /* H5_HAVE_PARALLEL */ + if (!H5F_addr_defined(super_addr)) HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "file signature not found") /* Check for userblock present */ - if(H5F_addr_gt(super_addr, 0)) { + if (H5F_addr_gt(super_addr, 0)) { /* Set the base address for the file in the VFD now */ - if(H5FD_set_base_addr(f->shared->lf, super_addr) < 0) + if (H5F__set_base_addr(f, super_addr) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "failed to set base address for file driver") } /* end if */ /* Determine file intent for superblock protect */ - if(H5F_INTENT(f) & H5F_ACC_RDWR) - rw = H5AC_WRITE; - else - rw = H5AC_READ; + + /* Must tell cache at protect time that the super block is to be + * flushed last (and collectively in the parallel case). + */ + rw_flags = H5AC__FLUSH_LAST_FLAG; +#ifdef H5_HAVE_PARALLEL + rw_flags |= H5C__FLUSH_COLLECTIVELY_FLAG; +#endif /* H5_HAVE_PARALLEL */ + if (!(H5F_INTENT(f) & H5F_ACC_RDWR)) + rw_flags |= H5AC__READ_ONLY_FLAG; + + /* Get the shared file creation property list */ + if (NULL == (c_plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) + HGOTO_ERROR(H5E_FILE, H5E_BADTYPE, FAIL, "can't get property list") + + /* Make certain we can read the fixed-size portion of the superblock */ + if (H5F__set_eoa(f, H5FD_MEM_SUPER, + (haddr_t)(H5F_SUPERBLOCK_FIXED_SIZE + H5F_SUPERBLOCK_MINIMAL_VARLEN_SIZE)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "set end of space allocation request failed") + + /* Set up the user data for cache callbacks */ + udata.f = f; + udata.ignore_drvrinfo = H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO); + udata.sym_leaf_k = 0; + if (H5P_get(c_plist, H5F_CRT_BTREE_RANK_NAME, udata.btree_k) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get rank for btree internal nodes") + udata.stored_eof = HADDR_UNDEF; + udata.drvrinfo_removed = FALSE; + + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SB, &orig_ring); /* Look up the superblock */ - if(NULL == (sblock = (H5F_super_t *)H5AC_protect(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, &dirtied, rw))) - HGOTO_ERROR(H5E_CACHE, H5E_CANTPROTECT, FAIL, "unable to load superblock") + if (NULL == (sblock = (H5F_super_t *)H5AC_protect(f, H5AC_SUPERBLOCK, (haddr_t)0, &udata, rw_flags))) + HGOTO_ERROR(H5E_FILE, H5E_CANTPROTECT, FAIL, "unable to load superblock") - /* Mark the superblock dirty if it was modified during loading or VFD indicated to do so */ - if((H5AC_WRITE == rw) && (dirtied || H5F_HAS_FEATURE(f, H5FD_FEAT_DIRTY_SBLK_LOAD))) - sblock_flags |= H5AC__DIRTIED_FLAG; + /* + * When opening a file with SWMR-write access, the library will first + * check to ensure that superblock version 3 is used. Otherwise fail + * file open. + * + * Then the library will upgrade the file's low_bound depending on + * superblock version as follows: + * --version 0 or 1: no change to low_bound + * --version 2: upgrade low_bound to at least V18 + * --version 3: upgrade low_bound to at least V110 + * + * Upgrading low_bound will give the best format versions available for + * that superblock version. Due to the possible upgrade, the fapl returned + * from H5Fget_access_plist() might indicate a low_bound higher than what + * the user originally set. + * + * After upgrading low_bound, the library will check to ensure that the + * superblock version does not exceed the version allowed by high_bound. + * Otherwise fail file open. + * + * For details, please see RFC:Setting Bounds for Object Creation in HDF5 1.10.0. + */ + + /* Check to ensure that superblock version 3 is used for SWMR-write access */ + if (H5F_INTENT(f) & H5F_ACC_SWMR_WRITE) { + if (sblock->super_vers < HDF5_SUPERBLOCK_VERSION_3) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "superblock version for SWMR is less than 3") + } + + /* Upgrade low_bound to at least V18 when encountering version 2 superblock */ + if (sblock->super_vers == HDF5_SUPERBLOCK_VERSION_2) + f->shared->low_bound = MAX(H5F_LIBVER_V18, f->shared->low_bound); + + /* Upgrade low_bound to at least V110 when encountering version 3 superblock */ + if (sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_3) + f->shared->low_bound = MAX(H5F_LIBVER_V110, f->shared->low_bound); + + /* Version bounds check */ + if (sblock->super_vers > HDF5_superblock_ver_bounds[f->shared->high_bound]) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "superblock version exceeds high bound") /* Pin the superblock in the cache */ - if(H5AC_pin_protected_entry(sblock) < 0) - HGOTO_ERROR(H5E_FSPACE, H5E_CANTPIN, FAIL, "unable to pin superblock") + if (H5AC_pin_protected_entry(sblock) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTPIN, FAIL, "unable to pin superblock") + + /* Mark the superblock dirty if it was modified during loading */ + if (((rw_flags & H5AC__READ_ONLY_FLAG) == 0) && udata.ignore_drvrinfo && udata.drvrinfo_removed) { + HDassert(sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2); + sblock_flags |= H5AC__DIRTIED_FLAG; + } /* end if */ + + /* The superblock must be flushed last (and collectively in parallel) */ + sblock_flags |= H5AC__FLUSH_LAST_FLAG; +#ifdef H5_HAVE_PARALLEL + sblock_flags |= H5AC__FLUSH_COLLECTIVELY_FLAG; +#endif /* H5_HAVE_PARALLEL */ + + /* Check if superblock address is different from base address and adjust + * base address and "end of file" address if so. + */ + if (!H5F_addr_eq(super_addr, sblock->base_addr)) { + /* If the superblock moved in the file, adjust the EOF */ + /* (Handles moving earlier & later) */ + udata.stored_eof -= (sblock->base_addr - super_addr); + + /* Adjust base address for offsets of the HDF5 data in the file */ + sblock->base_addr = super_addr; + + /* Set the base address for the file in the VFD now */ + if (H5F__set_base_addr(f, sblock->base_addr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "failed to set base address for file driver") + + /* Indicate that the superblock should be marked dirty */ + if ((rw_flags & H5AC__READ_ONLY_FLAG) == 0) + sblock_flags |= H5AC__DIRTIED_FLAG; + } /* end if */ + + /* Set information in the file's creation property list */ + if (H5P_set(c_plist, H5F_CRT_SUPER_VERS_NAME, &sblock->super_vers) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set superblock version") + if (H5P_set(c_plist, H5F_CRT_ADDR_BYTE_NUM_NAME, &sblock->sizeof_addr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set byte number in an address") + if (H5P_set(c_plist, H5F_CRT_OBJ_BYTE_NUM_NAME, &sblock->sizeof_size) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set byte number for object size") + + /* Handle the B-tree 'K' values */ + if (sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2) { + /* Sanity check */ + HDassert(udata.sym_leaf_k != 0); + + /* Set the symbol table internal node 'K' value */ + if (H5P_set(c_plist, H5F_CRT_SYM_LEAF_NAME, &udata.sym_leaf_k) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set rank for symbol table leaf nodes") + sblock->sym_leaf_k = udata.sym_leaf_k; + + /* Set the B-tree internal node values, etc */ + if (H5P_set(c_plist, H5F_CRT_BTREE_RANK_NAME, udata.btree_k) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set rank for btree internal nodes") + H5MM_memcpy(sblock->btree_k, udata.btree_k, sizeof(unsigned) * (size_t)H5B_NUM_BTREE_ID); + } /* end if */ + else { + /* Get the (default) B-tree internal node values, etc */ + /* (Note: these may be reset in a superblock extension) */ + if (H5P_get(c_plist, H5F_CRT_BTREE_RANK_NAME, sblock->btree_k) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get rank for btree internal nodes") + if (H5P_get(c_plist, H5F_CRT_SYM_LEAF_NAME, &sblock->sym_leaf_k) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get rank for btree internal nodes") + } /* end else */ + + /* + * The user-defined data is the area of the file before the base + * address. + */ + if (H5P_set(c_plist, H5F_CRT_USER_BLOCK_NAME, &sblock->base_addr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set userblock size") + + /* + * Make sure that the data is not truncated. One case where this is + * possible is if the first file of a family of files was opened + * individually. + */ + /* Can skip this test when it is not the initial file open-- + * H5F__super_read() call from H5F_evict_tagged_metadata() for + * refreshing object. + * When flushing file buffers and fractal heap is involved, + * the library will allocate actual space for tmp addresses + * via the file layer. The aggregator allocates a block, + * thus the eoa might be greater than eof. + * Note: the aggregator is changed again after being reset + * earlier before H5AC_flush due to allocation of tmp addresses. + */ + /* The EOF check must be skipped when the file is opened for SWMR read, + * as the file can appear truncated if only part of it has been + * been flushed to disk by the SWMR writer process. + */ + /* The EOF check is also skipped when the private property + * H5F_ACS_SKIP_EOF_CHECK_NAME exists in the fapl. + * This property is enabled by the tool h5clear with these + * two options: (1) --filesize (2) --increment + */ + + /* Check if this private property exists in fapl */ + if (H5P_exist_plist(fa_plist, H5F_ACS_SKIP_EOF_CHECK_NAME) > 0) + if (H5P_get(fa_plist, H5F_ACS_SKIP_EOF_CHECK_NAME, &skip_eof_check) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get skip EOF check value") + + if (H5F_INTENT(f) & H5F_ACC_SWMR_READ) { + /* + * When the file is opened for SWMR read access, skip the check if: + * --the file is already marked for SWMR writing and + * --the file has version 3 superblock for SWMR support + */ + if ((sblock->status_flags & H5F_SUPER_SWMR_WRITE_ACCESS) && + (sblock->status_flags & H5F_SUPER_WRITE_ACCESS) && + sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_3) + skip_eof_check = TRUE; + } /* end if */ + if (!skip_eof_check && initial_read) { + if (HADDR_UNDEF == (eof = H5FD_get_eof(f->shared->lf, H5FD_MEM_DEFAULT))) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to determine file size") + + /* (Account for the stored EOA being absolute offset -QAK) */ + if ((eof + sblock->base_addr) < udata.stored_eof) + HGOTO_ERROR(H5E_FILE, H5E_TRUNCATED, FAIL, + "truncated file: eof = %llu, sblock->base_addr = %llu, stored_eof = %llu", + (unsigned long long)eof, (unsigned long long)sblock->base_addr, + (unsigned long long)udata.stored_eof) + } /* end if */ + + /* + * Tell the file driver how much address space has already been + * allocated so that it knows how to allocate additional memory. + */ + + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SBE, NULL); + + /* Decode the optional driver information block */ + if (H5F_addr_defined(sblock->driver_addr)) { + H5O_drvinfo_t *drvinfo; /* Driver info */ + H5F_drvrinfo_cache_ud_t drvrinfo_udata; /* User data for metadata callbacks */ + unsigned drvinfo_flags = H5AC__NO_FLAGS_SET; /* Flags used in driver info block unprotect call */ + + /* Sanity check - driver info block should only be defined for + * superblock version < 2. + */ + HDassert(sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2); + + /* Set up user data */ + drvrinfo_udata.f = f; + drvrinfo_udata.driver_addr = sblock->driver_addr; + + /* extend EOA so we can read at least the fixed sized + * portion of the driver info block + */ + if (H5FD_set_eoa(f->shared->lf, H5FD_MEM_SUPER, sblock->driver_addr + H5F_DRVINFOBLOCK_HDR_SIZE) < + 0) /* will extend eoa later if required */ + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "set end of space allocation request failed") + + /* Look up the driver info block */ + if (NULL == (drvinfo = (H5O_drvinfo_t *)H5AC_protect(f, H5AC_DRVRINFO, sblock->driver_addr, + &drvrinfo_udata, rw_flags))) + HGOTO_ERROR(H5E_FILE, H5E_CANTPROTECT, FAIL, "unable to load driver info block") + + /* Loading the driver info block is enough to set up the right info */ + + /* Check if we need to rewrite the driver info block info */ + if (((rw_flags & H5AC__READ_ONLY_FLAG) == 0) && H5F_HAS_FEATURE(f, H5FD_FEAT_DIRTY_DRVRINFO_LOAD)) + drvinfo_flags |= H5AC__DIRTIED_FLAG; + + /* set the pin entry flag so that the driver information block + * cache entry will be pinned in the cache. + */ + drvinfo_flags |= H5AC__PIN_ENTRY_FLAG; + + /* Release the driver info block */ + if (H5AC_unprotect(f, H5AC_DRVRINFO, sblock->driver_addr, drvinfo, drvinfo_flags) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTUNPROTECT, FAIL, "unable to release driver info block") + + /* save a pointer to the driver information cache entry */ + f->shared->drvinfo = drvinfo; + } /* end if */ + + /* (Account for the stored EOA being absolute offset -NAF) */ + if (H5F__set_eoa(f, H5FD_MEM_DEFAULT, udata.stored_eof - sblock->base_addr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set end-of-address marker for file") + + /* Decode the optional superblock extension info */ + if (H5F_addr_defined(sblock->ext_addr)) { + H5O_loc_t ext_loc; /* "Object location" for superblock extension */ + H5O_btreek_t btreek; /* v1 B-tree 'K' value message from superblock extension */ + H5O_drvinfo_t drvinfo; /* Driver info message from superblock extension */ + size_t u; /* Local index variable */ + htri_t status; /* Status for message existing */ + + /* Sanity check - superblock extension should only be defined for + * superblock version >= 2. + */ + if (sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, + "invalid superblock - extension message should not be defined for version < 2") + + /* Check for superblock extension being located "outside" the stored + * 'eoa' value, which can occur with the split/multi VFD. + */ + if (H5F_addr_gt(sblock->ext_addr, udata.stored_eof)) { + /* Set the 'eoa' for the object header memory type large enough + * to give some room for a reasonably sized superblock extension. + * (This is _rather_ a kludge -QAK) + */ + if (H5F__set_eoa(f, H5FD_MEM_OHDR, (haddr_t)(sblock->ext_addr + 1024)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set end-of-address marker for file") + } /* end if */ + + /* Open the superblock extension */ + if (H5F__super_ext_open(f, sblock->ext_addr, &ext_loc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTOPENOBJ, FAIL, "unable to open file's superblock extension") + + /* Check for the extension having a 'driver info' message */ + if ((status = H5O_msg_exists(&ext_loc, H5O_DRVINFO_ID)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_EXISTS, FAIL, "unable to read object header") + if (status) { + /* Check for ignoring the driver info for this file */ + if (!udata.ignore_drvrinfo) { + + /* Retrieve the 'driver info' structure */ + if (NULL == H5O_msg_read(&ext_loc, H5O_DRVINFO_ID, &drvinfo)) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "driver info message not present") + + /* Validate and decode driver information */ + if (H5FD_sb_load(f->shared->lf, drvinfo.name, drvinfo.buf) < 0) { + H5O_msg_reset(H5O_DRVINFO_ID, &drvinfo); + HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, FAIL, "unable to decode driver information") + } /* end if */ + + /* Reset driver info message */ + H5O_msg_reset(H5O_DRVINFO_ID, &drvinfo); + + HDassert(FALSE == f->shared->drvinfo_sb_msg_exists); + f->shared->drvinfo_sb_msg_exists = TRUE; + } /* end else */ + } /* end if */ + + /* Read in the shared OH message information if there is any */ + if (H5SM_get_info(&ext_loc, c_plist) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to read SOHM table information") + + /* Check for the extension having a 'v1 B-tree "K"' message */ + if ((status = H5O_msg_exists(&ext_loc, H5O_BTREEK_ID)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_EXISTS, FAIL, "unable to read object header") + if (status) { + /* Retrieve the 'v1 B-tree "K"' structure */ + if (NULL == H5O_msg_read(&ext_loc, H5O_BTREEK_ID, &btreek)) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "v1 B-tree 'K' info message not present") + + /* Set non-default v1 B-tree 'K' value info from file */ + sblock->btree_k[H5B_CHUNK_ID] = btreek.btree_k[H5B_CHUNK_ID]; + sblock->btree_k[H5B_SNODE_ID] = btreek.btree_k[H5B_SNODE_ID]; + sblock->sym_leaf_k = btreek.sym_leaf_k; + + /* Set non-default v1 B-tree 'K' values in the property list */ + if (H5P_set(c_plist, H5F_CRT_BTREE_RANK_NAME, btreek.btree_k) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set rank for btree internal nodes") + if (H5P_set(c_plist, H5F_CRT_SYM_LEAF_NAME, &btreek.sym_leaf_k) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set rank for symbol table leaf nodes") + } /* end if */ + + /* Check for the extension having a 'free-space manager info' message */ + if ((status = H5O_msg_exists(&ext_loc, H5O_FSINFO_ID)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_EXISTS, FAIL, "unable to read object header") + if (status) { + uint8_t flags; /* Message flags */ + + /* Get message flags */ + if (H5O_msg_get_flags(&ext_loc, H5O_FSINFO_ID, &flags) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, + "unable to message flags for free-space manager info message") + + /* If message is NOT marked "unknown"--set up file space info */ + if (!(flags & H5O_MSG_FLAG_WAS_UNKNOWN)) { + H5O_fsinfo_t fsinfo; /* File space info message from superblock extension */ + + /* f->shared->null_fsm_addr: Whether to drop free-space to the floor */ + /* The h5clear tool uses this property to tell the library + * to drop free-space to the floor + */ + if (H5P_exist_plist(fa_plist, H5F_ACS_NULL_FSM_ADDR_NAME) > 0) + if (H5P_get(fa_plist, H5F_ACS_NULL_FSM_ADDR_NAME, &f->shared->null_fsm_addr) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, + "can't get clearance for persisting fsm addr") + + /* Retrieve the 'file space info' structure */ + if (NULL == H5O_msg_read(&ext_loc, H5O_FSINFO_ID, &fsinfo)) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get free-space manager info message") + + /* Version bounds check */ + if (H5O_fsinfo_check_version(H5F_HIGH_BOUND(f), &fsinfo) < 0) + HGOTO_ERROR(H5E_FILE, H5E_BADRANGE, FAIL, + "File space info message's version out of bounds") + + /* Update changed values */ + if (f->shared->fs_version != fsinfo.version) + f->shared->fs_version = fsinfo.version; + if (f->shared->fs_strategy != fsinfo.strategy) { + f->shared->fs_strategy = fsinfo.strategy; + + /* Set non-default strategy in the property list */ + if (H5P_set(c_plist, H5F_CRT_FILE_SPACE_STRATEGY_NAME, &fsinfo.strategy) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file space strategy") + } /* end if */ + if (f->shared->fs_persist != fsinfo.persist) { + f->shared->fs_persist = fsinfo.persist; + + /* Set non-default strategy in the property list */ + if (H5P_set(c_plist, H5F_CRT_FREE_SPACE_PERSIST_NAME, &fsinfo.persist) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file space strategy") + } /* end if */ + if (f->shared->fs_threshold != fsinfo.threshold) { + f->shared->fs_threshold = fsinfo.threshold; + + /* Set non-default threshold in the property list */ + if (H5P_set(c_plist, H5F_CRT_FREE_SPACE_THRESHOLD_NAME, &fsinfo.threshold) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file space strategy") + } /* end if */ + + HDassert(f->shared->fs_page_size >= H5F_FILE_SPACE_PAGE_SIZE_MIN); + HDassert(fsinfo.page_size >= H5F_FILE_SPACE_PAGE_SIZE_MIN); + if (f->shared->fs_page_size != fsinfo.page_size) { + f->shared->fs_page_size = fsinfo.page_size; + + /* Set file space page size in the property list */ + if (H5P_set(c_plist, H5F_CRT_FILE_SPACE_PAGE_SIZE_NAME, &fsinfo.page_size) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file space page size") + } /* end if */ + if (f->shared->pgend_meta_thres != fsinfo.pgend_meta_thres) + /* Initialize page end meta threshold */ + f->shared->pgend_meta_thres = fsinfo.pgend_meta_thres; + + if (f->shared->eoa_fsm_fsalloc != fsinfo.eoa_pre_fsm_fsalloc) + f->shared->eoa_fsm_fsalloc = fsinfo.eoa_pre_fsm_fsalloc; + + /* + * If the following two conditions are true: + * (1) skipping EOF check (skip_eof_check) + * (2) dropping free-space to the floor (f->shared->null_fsm_addr) + * skip the asserts as "eoa_fsm_fsalloc" may be undefined + * for a crashed file with persistent free space managers. + * The above two conditions are enabled when the tool h5clear --increment + * option is used. + */ + if (!skip_eof_check && !f->shared->null_fsm_addr) + HDassert((!f->shared->fs_persist) || (f->shared->eoa_fsm_fsalloc != HADDR_UNDEF)); + + /* + * A crashed file with persistent free-space managers may have + * undefined f->shared->eoa_fsm_fsalloc. + * eoa_fsm_fsalloc is the final eoa which is saved in the free-space + * info message's eoa_pre_fsm_fsalloc field for backward compatibility. + * If the tool h5clear sets to dropping free-space to the floor + * as indicated by f->shared->null_fsm_addr, we are not going to + * perform actions to settle things on file close in the routines + * H5MF_settle_meta_data_fsm() and H5MF_settle_raw_data_fsm(). + * + * We remove the following check: + * if((f->shared->eoa_pre_fsm_fsalloc != HADDR_UNDEF || null_fsm_addr) && + * (H5F_INTENT(f) & H5F_ACC_RDWR)) + * f->shared->first_alloc_dealloc = TRUE; + * + * Because: + * --there is no more f->shared->eoa_pre_fsm_fsalloc and + * f->shared->first_alloc_dealloc + * --the check for null_fsm_addr is directly done in H5MF_settle_meta_data_fsm() + * and H5MF_settle_raw_data_fsm() + */ + + f->shared->fs_addr[0] = HADDR_UNDEF; + for (u = 1; u < NELMTS(f->shared->fs_addr); u++) + f->shared->fs_addr[u] = fsinfo.fs_addr[u - 1]; + + /* If the following two conditions are true: + * (1) file is persisting free-space + * (2) dropping free-space to the floor (f->shared->null_fsm_addr) + * nullify the addresses of the FSMs + */ + if (f->shared->fs_persist && f->shared->null_fsm_addr) + for (u = 0; u < NELMTS(fsinfo.fs_addr); u++) + f->shared->fs_addr[u] = fsinfo.fs_addr[u] = HADDR_UNDEF; + + /* For fsinfo.mapped: remove the FSINFO message from the superblock extension + and write a new message to the extension */ + /* For f->shared->null_fsm_addr: just update FSINFO message in the superblock extension */ + if (((fsinfo.mapped || f->shared->null_fsm_addr) && (rw_flags & H5AC__READ_ONLY_FLAG) == 0)) { + + /* Do the same kluge until we know for sure. VC */ +#if 1 /* bug fix test code -- tidy this up if all goes well */ /* JRM */ + /* KLUGE ALERT!! + * + * H5F__super_ext_write_msg() expects f->shared->sblock to + * be set -- verify that it is NULL, and then set it. + * Set it back to NULL when we are done. + */ + HDassert(f->shared->sblock == NULL); + f->shared->sblock = sblock; +#endif /* JRM */ + + if (f->shared->null_fsm_addr) { + if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, FALSE, + H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0) + HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, + "error in writing fsinfo message to superblock extension") + } + else { + if (H5F__super_ext_remove_msg(f, H5O_FSINFO_ID) < 0) { +#if 1 /* bug fix test code -- tidy this up if all goes well */ /* JRM */ + f->shared->sblock = NULL; +#endif /* JRM */ + + HGOTO_ERROR(H5E_FILE, H5E_CANTDELETE, FAIL, + "error in removing message from superblock extension") + } + + if (H5F__super_ext_write_msg(f, H5O_FSINFO_ID, &fsinfo, TRUE, + H5O_MSG_FLAG_MARK_IF_UNKNOWN) < 0) + HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, + "error in writing fsinfo message to superblock extension") + } +#if 1 /* bug fix test code -- tidy this up if all goes well */ /* JRM */ + f->shared->sblock = NULL; +#endif /* JRM */ + + } /* end if */ + } /* end if not marked "unknown" */ + } /* end if */ + + /* Check for the extension having a 'metadata cache image' message */ + if ((status = H5O_msg_exists(&ext_loc, H5O_MDCI_MSG_ID)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_EXISTS, FAIL, "unable to read object header") + if (status) { + hbool_t rw = ((rw_flags & H5AC__READ_ONLY_FLAG) == 0); + H5O_mdci_t mdci_msg; + + /* if the metadata cache image superblock extension message exists, + * read its contents and pass the data on to the metadata cache. + * Given this data, the cache will load and decode the metadata + * cache image block, decoded it and load its contents into the + * the cache on the test protect call. + * + * Further, if the file is opened R/W, the metadata cache will + * delete the metadata cache image superblock extension and free + * the cache image block. Don't do this now as f->shared + * is not fully setup, which complicates matters. + */ + + /* Retrieve the 'metadata cache image message' structure */ + if (NULL == H5O_msg_read(&ext_loc, H5O_MDCI_MSG_ID, &mdci_msg)) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get metadata cache image message") + + /* Indicate to the cache that there's an image to load on first protect call */ + if (H5AC_load_cache_image_on_next_protect(f, mdci_msg.addr, mdci_msg.size, rw) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTLOAD, FAIL, + "call to H5AC_load_cache_image_on_next_protect failed"); + } /* end if */ + + /* Close superblock extension */ + if (H5F__super_ext_close(f, &ext_loc, FALSE) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEOBJ, FAIL, "unable to close file's superblock extension") + } /* end if */ + + /* Update the driver info if VFD indicated to do so */ + /* (NOTE: only for later versions of superblock, earlier versions are handled + * earlier in this routine. + */ + if (((rw_flags & H5AC__READ_ONLY_FLAG) == 0) && sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2 && + H5F_addr_defined(sblock->ext_addr)) { + /* Check for modifying the driver info when opening the file */ + if (H5F_HAS_FEATURE(f, H5FD_FEAT_DIRTY_DRVRINFO_LOAD)) { + size_t driver_size; /* Size of driver info block (bytes) */ + + /* Check for driver info message */ + H5_CHECKED_ASSIGN(driver_size, size_t, H5FD_sb_size(f->shared->lf), hsize_t); + if (driver_size > 0) { + H5O_drvinfo_t drvinfo; /* Driver info */ + uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */ + + /* Sanity check */ + HDassert(driver_size <= H5F_MAX_DRVINFOBLOCK_SIZE); + + /* Encode driver-specific data */ + if (H5FD_sb_encode(f->shared->lf, drvinfo.name, dbuf) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information") + + /* Set the driver info information for the superblock extension */ + drvinfo.len = driver_size; + drvinfo.buf = dbuf; + + /* Write driver info information to the superblock extension */ + +#if 1 /* bug fix test code -- tidy this up if all goes well */ /* JRM */ + /* KLUGE ALERT!! + * + * H5F__super_ext_write_msg() expects f->shared->sblock to + * be set -- verify that it is NULL, and then set it. + * Set it back to NULL when we are done. + */ + HDassert(f->shared->sblock == NULL); + f->shared->sblock = sblock; +#endif /* JRM */ + if (H5F__super_ext_write_msg(f, H5O_DRVINFO_ID, &drvinfo, FALSE, H5O_MSG_NO_FLAGS_SET) < 0) + HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, + "error in writing message to superblock extension") + +#if 1 /* bug fix test code -- tidy this up if all goes well */ /* JRM */ + f->shared->sblock = NULL; +#endif /* JRM */ + + } /* end if */ + } /* end if */ + /* Check for eliminating the driver info block */ + else if (H5F_HAS_FEATURE(f, H5FD_FEAT_IGNORE_DRVRINFO)) { + /* Remove the driver info message from the superblock extension */ + if (H5F__super_ext_remove_msg(f, H5O_DRVINFO_ID) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, + "error in removing message from superblock extension") + + /* Check if the superblock extension was removed */ + if (!H5F_addr_defined(sblock->ext_addr)) + sblock_flags |= H5AC__DIRTIED_FLAG; + } /* end if */ + } /* end if */ /* Set the pointer to the pinned superblock */ f->shared->sblock = sblock; + /* Set the page aggregation mode */ + if (H5F__set_paged_aggr(f, (hbool_t)H5F_PAGED_AGGR(f)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "failed to set paged_aggr status for file driver") + done: + /* Reset the ring in the API context */ + if (orig_ring != H5AC_RING_INV) + H5AC_set_ring(orig_ring, NULL); + /* Release the superblock */ - if(sblock && H5AC_unprotect(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, sblock, sblock_flags) < 0) - HDONE_ERROR(H5E_CACHE, H5E_CANTUNPROTECT, FAIL, "unable to close superblock") + if (sblock && H5AC_unprotect(f, H5AC_SUPERBLOCK, (haddr_t)0, sblock, sblock_flags) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTUNPROTECT, FAIL, "unable to close superblock") + + /* If we have failed, make sure no entries are left in the + * metadata cache, so that it can be shut down and discarded. + */ + if (ret_value < 0) { + /* Unpin and discard drvinfo cache entry */ + if (f->shared->drvinfo) { + if (H5AC_unpin_entry(f->shared->drvinfo) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTUNPIN, FAIL, "unable to unpin driver info") + + /* Evict the driver info block from the cache */ + if (sblock) { + if (H5AC_expunge_entry(f, H5AC_DRVRINFO, sblock->driver_addr, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTEXPUNGE, FAIL, "unable to expunge driver info block") + f->shared->drvinfo = NULL; + } + } /* end if */ - FUNC_LEAVE_NOAPI_TAG(ret_value, FAIL) -} /* end H5F_super_read() */ + /* Unpin & discard superblock */ + if (sblock) { + /* Unpin superblock in cache */ + if (H5AC_unpin_entry(sblock) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTUNPIN, FAIL, "unable to unpin superblock") + + /* Evict the superblock from the cache */ + if (H5AC_expunge_entry(f, H5AC_SUPERBLOCK, (haddr_t)0, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTEXPUNGE, FAIL, "unable to expunge superblock") + f->shared->sblock = NULL; + } /* end if */ + } /* end if */ + + FUNC_LEAVE_NOAPI_TAG(ret_value) +} /* end H5F__super_read() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_init + * Function: H5F__super_init * * Purpose: Allocates the superblock for the file and initializes * information about the superblock in memory. Writes extension @@ -324,119 +1079,191 @@ done: * Failure: FAIL * * Programmer: Quincey Koziol - * koziol@ncsa.uiuc.edu * Sept 15, 2003 * *------------------------------------------------------------------------- */ herr_t -H5F_super_init(H5F_t *f, hid_t dxpl_id) +H5F__super_init(H5F_t *f) { - H5F_super_t *sblock = NULL; /* Superblock cache structure */ - hbool_t sblock_in_cache = FALSE; /* Whether the superblock has been inserted into the metadata cache */ - H5P_genplist_t *plist; /* File creation property list */ - hsize_t userblock_size; /* Size of userblock, in bytes */ - hsize_t superblock_size; /* Size of superblock, in bytes */ - size_t driver_size; /* Size of driver info block (bytes) */ - unsigned super_vers = HDF5_SUPERBLOCK_VERSION_DEF; /* Superblock version for file */ - H5O_loc_t ext_loc; /* Superblock extension object location */ - hbool_t need_ext; /* Whether the superblock extension is needed */ - hbool_t ext_created = FALSE; /* Whether the extension has been created */ - herr_t ret_value = SUCCEED; /* Return Value */ - - FUNC_ENTER_NOAPI_TAG(dxpl_id, H5AC__SUPERBLOCK_TAG, FAIL) + H5F_super_t *sblock = NULL; /* Superblock cache structure */ + hbool_t sblock_in_cache = FALSE; /* Whether the superblock has been inserted into the metadata cache */ + H5O_drvinfo_t *drvinfo = NULL; /* Driver info */ + hbool_t drvinfo_in_cache = + FALSE; /* Whether the driver info block has been inserted into the metadata cache */ + H5P_genplist_t *plist; /* File creation property list */ + H5AC_ring_t orig_ring = H5AC_RING_INV; + hsize_t userblock_size; /* Size of userblock, in bytes */ + hsize_t superblock_size; /* Size of superblock, in bytes */ + size_t driver_size; /* Size of driver info block (bytes) */ + unsigned super_vers = HDF5_SUPERBLOCK_VERSION_DEF; /* Superblock version for file */ + H5O_loc_t ext_loc; /* Superblock extension object location */ + hbool_t need_ext; /* Whether the superblock extension is needed */ + hbool_t ext_created = FALSE; /* Whether the extension has been created */ + hbool_t non_default_fs_settings = FALSE; /* Whether the file has non-default free-space settings */ + herr_t ret_value = SUCCEED; /* Return Value */ + + FUNC_ENTER_PACKAGE_TAG(H5AC__SUPERBLOCK_TAG) /* Allocate space for the superblock */ - if(NULL == (sblock = H5FL_CALLOC(H5F_super_t))) + if (NULL == (sblock = H5FL_CALLOC(H5F_super_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") /* Initialize various address information */ - sblock->base_addr = HADDR_UNDEF; - sblock->ext_addr = HADDR_UNDEF; + sblock->base_addr = HADDR_UNDEF; + sblock->ext_addr = HADDR_UNDEF; sblock->driver_addr = HADDR_UNDEF; - sblock->root_addr = HADDR_UNDEF; + sblock->root_addr = HADDR_UNDEF; /* Get the shared file creation property list */ - if(NULL == (plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) + if (NULL == (plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") /* Initialize sym_leaf_k */ - if(H5P_get(plist, H5F_CRT_SYM_LEAF_NAME, &sblock->sym_leaf_k) < 0) + if (H5P_get(plist, H5F_CRT_SYM_LEAF_NAME, &sblock->sym_leaf_k) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get byte number for object size") /* Initialize btree_k */ - if(H5P_get(plist, H5F_CRT_BTREE_RANK_NAME, &sblock->btree_k[0]) < 0) + if (H5P_get(plist, H5F_CRT_BTREE_RANK_NAME, &sblock->btree_k[0]) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get rank for btree internal nodes") - /* Bump superblock version if we are to use the latest version of the format */ - if(f->shared->latest_format) - super_vers = HDF5_SUPERBLOCK_VERSION_LATEST; - /* Bump superblock version to create superblock extension for SOHM info */ - else if(f->shared->sohm_nindexes > 0) + /* Check for non-default free-space settings */ + if (!(f->shared->fs_strategy == H5F_FILE_SPACE_STRATEGY_DEF && + f->shared->fs_persist == H5F_FREE_SPACE_PERSIST_DEF && + f->shared->fs_threshold == H5F_FREE_SPACE_THRESHOLD_DEF && + f->shared->fs_page_size == H5F_FILE_SPACE_PAGE_SIZE_DEF)) + non_default_fs_settings = TRUE; + + /* + * When creating a file with write access, the library will: + * -- set superblock version to 0, 1 or 2 based on feature enabled + * -- no change to low_bound + * When creating a file with SWMR-write access, the library will: + * (See explanation (#) below.) + * -- set superblock version to 3 + * -- upgrade low_bound to at least V110 + * + * Then the library will finalize superblock version to that allowed by + * low_bound if that is higher. + * Lastly, the library will check to ensure the superblock version does not + * exceed the version allowed by high_bound. Otherwise fail file open. + * + * For details, please see RFC:Setting Bounds for Object Creation in HDF5 1.10.0. + * + * (#) + * Version 3 superblock is introduced in 1.10 for SWMR due to the problem of + * the status_flags field in the superblock. The problem is discussed in + * jira issue SWMR-79 and also in the RFC: File Format Changes in HDF5 1.10.0. + * The file's low_bound is upgraded for SWMR so that the library will + * use the best format versions available in 1.10. + * Due to the possible upgrade, the fapl returned from H5Fget_access_plist() + * might indicate a low_bound higher than what the user originally set. + */ + + /* + * Creating a file with SWMR-write access will + * upgrade superblock version and low_bound + */ + if (H5F_INTENT(f) & H5F_ACC_SWMR_WRITE) { + super_vers = HDF5_SUPERBLOCK_VERSION_3; + f->shared->low_bound = MAX(H5F_LIBVER_V110, f->shared->low_bound); + + /* Bump superblock version to create superblock extension for SOHM info */ + } + else if (f->shared->sohm_nindexes > 0) super_vers = HDF5_SUPERBLOCK_VERSION_2; - /* Bump superblock version to create superblock extension for - * non-default file space strategy or non-default free-space threshold + /* + * Bump superblock version to create superblock extension for: + * -- non-default file space strategy or + * -- non-default persisting free-space or + * -- non-default free-space threshold or + * -- non-default page_size */ - else if(f->shared->fs_strategy != H5F_FILE_SPACE_STRATEGY_DEF || - f->shared->fs_threshold != H5F_FREE_SPACE_THRESHOLD_DEF) + else if (non_default_fs_settings) super_vers = HDF5_SUPERBLOCK_VERSION_2; /* Check for non-default indexed storage B-tree internal 'K' value * and set the version # of the superblock to 1 if it is a non-default * value. */ - else if(sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF) + else if (sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF) super_vers = HDF5_SUPERBLOCK_VERSION_1; + /* Finalize superblock version to that allowed by the file's low bound if higher */ + super_vers = MAX(super_vers, HDF5_superblock_ver_bounds[f->shared->low_bound]); + + /* Version bounds check */ + if (super_vers > HDF5_superblock_ver_bounds[f->shared->high_bound]) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "superblock version out of bounds") + /* If a newer superblock version is required, set it here */ - if(super_vers != HDF5_SUPERBLOCK_VERSION_DEF) { - H5P_genplist_t *c_plist; /* Property list */ + if (super_vers != HDF5_SUPERBLOCK_VERSION_DEF) { + H5P_genplist_t *c_plist; /* Property list */ - if(NULL == (c_plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) + if (NULL == (c_plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not property list") - if(H5P_set(c_plist, H5F_CRT_SUPER_VERS_NAME, &super_vers) < 0) + if (H5P_set(c_plist, H5F_CRT_SUPER_VERS_NAME, &super_vers) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set superblock version") } /* end if */ + if (H5FD_set_paged_aggr(f->shared->lf, (hbool_t)H5F_PAGED_AGGR(f)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "failed to set paged_aggr status for file driver") + /* * The superblock starts immediately after the user-defined * header, which we have already insured is a proper size. The * base address is set to the same thing as the superblock for * now. */ - if(H5P_get(plist, H5F_CRT_USER_BLOCK_NAME, &userblock_size) < 0) + if (H5P_get(plist, H5F_CRT_USER_BLOCK_NAME, &userblock_size) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get userblock size") /* Sanity check the userblock size vs. the file's allocation alignment */ - if(userblock_size > 0) { - if(userblock_size < f->shared->alignment) + if (userblock_size > 0) { + /* Set up the alignment to use for page or aggr fs */ + hsize_t alignment = H5F_PAGED_AGGR(f) ? f->shared->fs_page_size : f->shared->alignment; + + if (userblock_size < alignment) HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "userblock size must be > file object alignment") - if(0 != (userblock_size % f->shared->alignment)) - HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "userblock size must be an integral multiple of file object alignment") + if (0 != (userblock_size % alignment)) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, + "userblock size must be an integral multiple of file object alignment") } /* end if */ - sblock->base_addr = userblock_size; + sblock->base_addr = userblock_size; sblock->status_flags = 0; /* Reserve space for the userblock */ - if(H5FD_set_eoa(f->shared->lf, H5FD_MEM_SUPER, userblock_size) < 0) + if (H5F__set_eoa(f, H5FD_MEM_SUPER, userblock_size) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to set EOA value for userblock") /* Set the base address for the file in the VFD now, after allocating * space for userblock. */ - if(H5FD_set_base_addr(f->shared->lf, sblock->base_addr) < 0) + if (H5F__set_base_addr(f, sblock->base_addr) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "failed to set base address for file driver") - /* Save a local copy of the superblock version number */ - sblock->super_vers = super_vers; + /* Save a local copy of the superblock version number, size of addresses & offsets */ + sblock->super_vers = super_vers; + sblock->sizeof_addr = f->shared->sizeof_addr; + sblock->sizeof_size = f->shared->sizeof_size; /* Compute the size of the superblock */ - superblock_size = (hsize_t)H5F_SUPERBLOCK_SIZE(super_vers, f); + superblock_size = (hsize_t)H5F_SUPERBLOCK_SIZE(sblock); /* Compute the size of the driver information block */ - H5_ASSIGN_OVERFLOW(driver_size, H5FD_sb_size(f->shared->lf), hsize_t, size_t); - if(driver_size > 0) { - driver_size += H5F_DRVINFOBLOCK_HDR_SIZE; + H5_CHECKED_ASSIGN(driver_size, size_t, H5FD_sb_size(f->shared->lf), hsize_t); + + /* The following code sets driver_size to the valued needed + * for the driver info block, and sets the driver info block + * address regardless of the version of the superblock. + */ + if (driver_size > 0) { + /* Add in the driver info header, for older superblocks */ + /* Superblock versions >= 2 will put the driver info in a message + * and don't need the header -QAK, 1/4/2017 + */ + if (super_vers < HDF5_SUPERBLOCK_VERSION_2) + driver_size += H5F_DRVINFOBLOCK_HDR_SIZE; /* * The file driver information block begins immediately after the @@ -446,38 +1273,44 @@ H5F_super_init(H5F_t *f, hid_t dxpl_id) } /* end if */ /* - * Allocate space for the userblock, superblock & driver info blocks. - * We do it with one allocation request because the userblock and - * superblock need to be at the beginning of the file and only the first - * allocation request is required to return memory at format address zero. + * Allocate space for the superblock & driver info block. + * We do it with one allocation request because the superblock needs to be + * at the beginning of the file and only the first allocation request is + * required to return memory at format address zero. */ - if(super_vers < HDF5_SUPERBLOCK_VERSION_2) + if (super_vers < HDF5_SUPERBLOCK_VERSION_2) superblock_size += driver_size; - /* Reserve space in the file for the superblock, instead of allocating it */ - if(H5FD_set_eoa(f->shared->lf, H5FD_MEM_SUPER, superblock_size) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to set EOA value for superblock") + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SB, &orig_ring); /* Insert superblock into cache, pinned */ - if(H5AC_insert_entry(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, sblock, H5AC__PIN_ENTRY_FLAG | H5AC__FLUSH_LAST_FLAG | H5AC__FLUSH_COLLECTIVELY_FLAG) < 0) + if (H5AC_insert_entry(f, H5AC_SUPERBLOCK, (haddr_t)0, sblock, + H5AC__PIN_ENTRY_FLAG | H5AC__FLUSH_LAST_FLAG | H5AC__FLUSH_COLLECTIVELY_FLAG) < 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTINS, FAIL, "can't add superblock to cache") sblock_in_cache = TRUE; /* Keep a copy of the superblock info */ f->shared->sblock = sblock; + /* Allocate space for the superblock */ + if (HADDR_UNDEF == H5MF_alloc(f, H5FD_MEM_SUPER, superblock_size)) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for superblock") + + /* set the drvinfo filed to NULL -- will overwrite this later if needed */ + f->shared->drvinfo = NULL; + /* * Determine if we will need a superblock extension */ /* Files with SOHM indices always need the superblock extension */ - if(f->shared->sohm_nindexes > 0) { + if (f->shared->sohm_nindexes > 0) { HDassert(super_vers >= HDF5_SUPERBLOCK_VERSION_2); need_ext = TRUE; } /* end if */ /* Files with non-default free space settings always need the superblock extension */ - else if(f->shared->fs_strategy != H5F_FILE_SPACE_STRATEGY_DEF || - f->shared->fs_threshold != H5F_FREE_SPACE_THRESHOLD_DEF) { + else if (non_default_fs_settings) { HDassert(super_vers >= HDF5_SUPERBLOCK_VERSION_2); need_ext = TRUE; } /* end if */ @@ -485,14 +1318,14 @@ H5F_super_init(H5F_t *f, hid_t dxpl_id) * for the superblock extension, check for non-default values to store * in it. */ - else if(super_vers >= HDF5_SUPERBLOCK_VERSION_2) { + else if (super_vers >= HDF5_SUPERBLOCK_VERSION_2) { /* Check for non-default v1 B-tree 'K' values to store */ - if(sblock->btree_k[H5B_SNODE_ID] != HDF5_BTREE_SNODE_IK_DEF || - sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF || - sblock->sym_leaf_k != H5F_CRT_SYM_LEAF_DEF) + if (sblock->btree_k[H5B_SNODE_ID] != HDF5_BTREE_SNODE_IK_DEF || + sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF || + sblock->sym_leaf_k != H5F_CRT_SYM_LEAF_DEF) need_ext = TRUE; /* Check for driver info to store */ - else if(driver_size > 0) + else if (driver_size > 0) need_ext = TRUE; else need_ext = FALSE; @@ -500,8 +1333,11 @@ H5F_super_init(H5F_t *f, hid_t dxpl_id) else need_ext = FALSE; + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SBE, NULL); + /* Create the superblock extension for "extra" superblock data, if necessary. */ - if(need_ext) { + if (need_ext) { /* The superblock extension isn't actually a group, but the * default group creation list should work fine. * If we don't supply a size for the object header, HDF5 will @@ -510,102 +1346,215 @@ H5F_super_init(H5F_t *f, hid_t dxpl_id) * be tuned if more information is added to the superblock * extension. */ - if(H5F_super_ext_create(f, dxpl_id, &ext_loc) < 0) + if (H5F__super_ext_create(f, &ext_loc) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "unable to create superblock extension") ext_created = TRUE; /* Create the Shared Object Header Message table and register it with * the metadata cache, if this file supports shared messages. */ - if(f->shared->sohm_nindexes > 0) { + if (f->shared->sohm_nindexes > 0) { /* Initialize the shared message code & write the SOHM message to the extension */ - if(H5SM_init(f, plist, &ext_loc, dxpl_id) < 0) + if (H5SM_init(f, plist, &ext_loc) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to create SOHM table") - } /* end if */ + } /* Check for non-default v1 B-tree 'K' values to store */ - if(sblock->btree_k[H5B_SNODE_ID] != HDF5_BTREE_SNODE_IK_DEF || - sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF || - sblock->sym_leaf_k != H5F_CRT_SYM_LEAF_DEF) { - H5O_btreek_t btreek; /* v1 B-tree 'K' value message for superblock extension */ + if (sblock->btree_k[H5B_SNODE_ID] != HDF5_BTREE_SNODE_IK_DEF || + sblock->btree_k[H5B_CHUNK_ID] != HDF5_BTREE_CHUNK_IK_DEF || + sblock->sym_leaf_k != H5F_CRT_SYM_LEAF_DEF) { + H5O_btreek_t btreek; /* v1 B-tree 'K' value message for superblock extension */ /* Write v1 B-tree 'K' value information to the superblock extension */ btreek.btree_k[H5B_CHUNK_ID] = sblock->btree_k[H5B_CHUNK_ID]; btreek.btree_k[H5B_SNODE_ID] = sblock->btree_k[H5B_SNODE_ID]; - btreek.sym_leaf_k = sblock->sym_leaf_k; - if(H5O_msg_create(&ext_loc, H5O_BTREEK_ID, H5O_MSG_FLAG_CONSTANT | H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &btreek, dxpl_id) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to update v1 B-tree 'K' value header message") + btreek.sym_leaf_k = sblock->sym_leaf_k; + if (H5O_msg_create(&ext_loc, H5O_BTREEK_ID, H5O_MSG_FLAG_CONSTANT | H5O_MSG_FLAG_DONTSHARE, + H5O_UPDATE_TIME, &btreek) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, + "unable to update v1 B-tree 'K' value header message") } /* end if */ /* Check for driver info to store */ - if(driver_size > 0) { - H5O_drvinfo_t drvinfo; /* Driver info */ - uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */ + if (driver_size > 0) { + H5O_drvinfo_t info; /* Driver info */ + uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */ /* Sanity check */ HDassert(driver_size <= H5F_MAX_DRVINFOBLOCK_SIZE); /* Encode driver-specific data */ - if(H5FD_sb_encode(f->shared->lf, drvinfo.name, dbuf) < 0) + HDmemset(dbuf, 0, sizeof(dbuf)); + if (H5FD_sb_encode(f->shared->lf, info.name, dbuf) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information") /* Write driver info information to the superblock extension */ - drvinfo.len = driver_size; - drvinfo.buf = dbuf; - if(H5O_msg_create(&ext_loc, H5O_DRVINFO_ID, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &drvinfo, dxpl_id) < 0) + info.len = driver_size; + info.buf = dbuf; + if (H5O_msg_create(&ext_loc, H5O_DRVINFO_ID, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &info) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to update driver info header message") - } /* end if */ - - /* Check for non-default free space settings */ - if(f->shared->fs_strategy != H5F_FILE_SPACE_STRATEGY_DEF || - f->shared->fs_threshold != H5F_FREE_SPACE_THRESHOLD_DEF) { - H5FD_mem_t type; /* Memory type for iteration */ - H5O_fsinfo_t fsinfo; /* Free space manager info message */ - /* Write free-space manager info message to superblock extension object header if needed */ - fsinfo.strategy = f->shared->fs_strategy; - fsinfo.threshold = f->shared->fs_threshold; - for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type)) - fsinfo.fs_addr[type-1] = HADDR_UNDEF; + HDassert(FALSE == f->shared->drvinfo_sb_msg_exists); + f->shared->drvinfo_sb_msg_exists = TRUE; + } /* end if */ - if(H5O_msg_create(&ext_loc, H5O_FSINFO_ID, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &fsinfo, dxpl_id) < 0) + /* Check for non-default free-space info settings */ + if (non_default_fs_settings) { + H5F_mem_page_t ptype; + H5O_fsinfo_t fsinfo; /* Free space manager info message */ + + /* Write free-space manager info message to superblock extension object header if needed */ + fsinfo.strategy = f->shared->fs_strategy; + fsinfo.persist = f->shared->fs_persist; + fsinfo.threshold = f->shared->fs_threshold; + fsinfo.page_size = f->shared->fs_page_size; + fsinfo.pgend_meta_thres = f->shared->pgend_meta_thres; + fsinfo.eoa_pre_fsm_fsalloc = HADDR_UNDEF; + fsinfo.mapped = FALSE; + + /* Set the version for the fsinfo message */ + if (H5O_fsinfo_set_version(H5F_LOW_BOUND(f), H5F_HIGH_BOUND(f), &fsinfo) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set version of fsinfo") + f->shared->fs_version = fsinfo.version; + + for (ptype = H5F_MEM_PAGE_SUPER; ptype < H5F_MEM_PAGE_NTYPES; ptype++) + fsinfo.fs_addr[ptype - 1] = HADDR_UNDEF; + + if (H5O_msg_create(&ext_loc, H5O_FSINFO_ID, H5O_MSG_FLAG_DONTSHARE | H5O_MSG_FLAG_MARK_IF_UNKNOWN, + H5O_UPDATE_TIME, &fsinfo) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to update free-space info header message") - } /* end if */ + } /* end if */ + } /* end if */ + else { + /* Check for creating an "old-style" driver info block */ + if (driver_size > 0) { + /* Sanity check */ + HDassert(H5F_addr_defined(sblock->driver_addr)); + + /* Allocate space for the driver info */ + if (NULL == (drvinfo = (H5O_drvinfo_t *)H5MM_calloc(sizeof(H5O_drvinfo_t)))) + HGOTO_ERROR(H5E_FILE, H5E_CANTALLOC, FAIL, "memory allocation failed for driver info message") + + /* Set up driver info message */ + /* (NOTE: All the actual information (name & driver information) is + * actually based on the VFD info in the file handle and + * will be encoded by the VFD's 'encode' callback, so it + * doesn't need to be set here. -QAK, 7/20/2013 + */ + H5_CHECKED_ASSIGN(drvinfo->len, size_t, H5FD_sb_size(f->shared->lf), hsize_t); + + /* Insert driver info block into cache */ + if (H5AC_insert_entry(f, H5AC_DRVRINFO, sblock->driver_addr, drvinfo, + H5AC__PIN_ENTRY_FLAG | H5AC__FLUSH_LAST_FLAG | + H5AC__FLUSH_COLLECTIVELY_FLAG) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTINS, FAIL, "can't add driver info block to cache") + drvinfo_in_cache = TRUE; + f->shared->drvinfo = drvinfo; + } /* end if */ + else + HDassert(!H5F_addr_defined(sblock->driver_addr)); } /* end if */ done: + /* Reset the ring in the API context */ + if (orig_ring != H5AC_RING_INV) + H5AC_set_ring(orig_ring, NULL); + /* Close superblock extension, if it was created */ - if(ext_created && H5F_super_ext_close(f, &ext_loc, dxpl_id, ext_created) < 0) + if (ext_created && H5F__super_ext_close(f, &ext_loc, ext_created) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension") /* Cleanup on failure */ - if(ret_value < 0) { + if (ret_value < 0) { + /* Check if the driver info block has been allocated yet */ + if (drvinfo) { + /* Check if we've cached it already */ + if (drvinfo_in_cache) { + /* Unpin drvinfo in cache */ + if (H5AC_unpin_entry(drvinfo) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTUNPIN, FAIL, "unable to unpin driver info") + + /* Evict the driver info block from the cache */ + if (H5AC_expunge_entry(f, H5AC_DRVRINFO, sblock->driver_addr, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTEXPUNGE, FAIL, "unable to expunge driver info block") + } /* end if */ + else + /* Free driver info block */ + H5MM_xfree(drvinfo); + } /* end if */ + /* Check if the superblock has been allocated yet */ - if(sblock) { + if (sblock) { /* Check if we've cached it already */ - if(sblock_in_cache) { + if (sblock_in_cache) { /* Unpin superblock in cache */ - if(H5AC_unpin_entry(sblock) < 0) + if (H5AC_unpin_entry(sblock) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTUNPIN, FAIL, "unable to unpin superblock") /* Evict the superblock from the cache */ - if(H5AC_expunge_entry(f, dxpl_id, H5AC_SUPERBLOCK, (haddr_t)0, H5AC__NO_FLAGS_SET) < 0) + if (H5AC_expunge_entry(f, H5AC_SUPERBLOCK, (haddr_t)0, H5AC__NO_FLAGS_SET) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTEXPUNGE, FAIL, "unable to expunge superblock") } /* end if */ else /* Free superblock */ - if(H5F_super_free(sblock) < 0) + if (H5F__super_free(sblock) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "unable to destroy superblock") /* Reset variables in file structure */ f->shared->sblock = NULL; } /* end if */ + } /* end if */ + + FUNC_LEAVE_NOAPI_TAG(ret_value) +} /* end H5F__super_init() */ + +/*------------------------------------------------------------------------- + * Function: H5F_eoa_dirty + * + * Purpose: Mark the file's EOA info dirty + * + * Return: Success: non-negative on success + * Failure: Negative + * + * Programmer: Quincey Koziol + * January 4, 2017 + * + *------------------------------------------------------------------------- + */ +herr_t +H5F_eoa_dirty(H5F_t *f) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(f); + HDassert(f->shared); + HDassert(f->shared->sblock); + + /* Mark superblock dirty in cache, so change to EOA will get encoded */ + if (H5F_super_dirty(f) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") + + /* If the driver information block exists, mark it dirty as well + * so that the change in eoa will be reflected there as well if + * appropriate. + */ + if (f->shared->drvinfo) { + if (H5AC_mark_entry_dirty(f->shared->drvinfo) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark drvinfo as dirty") } /* end if */ + /* If the driver info is stored as a message, update that instead */ + else if (f->shared->drvinfo_sb_msg_exists) { + if (H5F__update_super_ext_driver_msg(f) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark drvinfo message as dirty") + } - FUNC_LEAVE_NOAPI_TAG(ret_value, FAIL) -} /* end H5F_super_init() */ +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5F_eoa_dirty() */ - /*------------------------------------------------------------------------- * Function: H5F_super_dirty * @@ -622,7 +1571,7 @@ done: herr_t H5F_super_dirty(H5F_t *f) { - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -632,16 +1581,15 @@ H5F_super_dirty(H5F_t *f) HDassert(f->shared->sblock); /* Mark superblock dirty in cache, so change to EOA will get encoded */ - if(H5AC_mark_entry_dirty(f->shared->sblock) < 0) + if (H5AC_mark_entry_dirty(f->shared->sblock) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") done: FUNC_LEAVE_NOAPI(ret_value) } /* H5F_super_dirty() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_free + * Function: H5F__super_free * * Purpose: Destroyer the file's superblock * @@ -654,9 +1602,9 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_super_free(H5F_super_t *sblock) +H5F__super_free(H5F_super_t *sblock) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_PACKAGE_NOERR /* Sanity check */ HDassert(sblock); @@ -668,11 +1616,10 @@ H5F_super_free(H5F_super_t *sblock) sblock = (H5F_super_t *)H5FL_FREE(H5F_super_t, sblock); FUNC_LEAVE_NOAPI(SUCCEED) -} /* H5F_super_free() */ +} /* H5F__super_free() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_size + * Function: H5F__super_size * * Purpose: Get storage size of the superblock and superblock extension * @@ -685,11 +1632,12 @@ H5F_super_free(H5F_super_t *sblock) *------------------------------------------------------------------------- */ herr_t -H5F_super_size(H5F_t *f, hid_t dxpl_id, hsize_t *super_size, hsize_t *super_ext_size) +H5F__super_size(H5F_t *f, hsize_t *super_size, hsize_t *super_ext_size) { - herr_t ret_value = SUCCEED; /* Return value */ + H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI(FAIL) + FUNC_ENTER_PACKAGE /* Sanity check */ HDassert(f); @@ -697,22 +1645,25 @@ H5F_super_size(H5F_t *f, hid_t dxpl_id, hsize_t *super_size, hsize_t *super_ext_ HDassert(f->shared->sblock); /* Set the superblock size */ - if(super_size) - *super_size = (hsize_t)H5F_SUPERBLOCK_SIZE(f->shared->sblock->super_vers, f); + if (super_size) + *super_size = (hsize_t)H5F_SUPERBLOCK_SIZE(f->shared->sblock); /* Set the superblock extension size */ - if(super_ext_size) { - if(H5F_addr_defined(f->shared->sblock->ext_addr)) { - H5O_loc_t ext_loc; /* "Object location" for superblock extension */ - H5O_hdr_info_t hdr_info; /* Object info for superblock extension */ + if (super_ext_size) { + if (H5F_addr_defined(f->shared->sblock->ext_addr)) { + H5O_loc_t ext_loc; /* "Object location" for superblock extension */ + H5O_hdr_info_t hdr_info; /* Object info for superblock extension */ /* Set up "fake" object location for superblock extension */ H5O_loc_reset(&ext_loc); ext_loc.file = f; ext_loc.addr = f->shared->sblock->ext_addr; + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SBE, &orig_ring); + /* Get object header info for superblock extension */ - if(H5O_get_hdr_info(&ext_loc, dxpl_id, &hdr_info) < 0) + if (H5O_get_hdr_info(&ext_loc, &hdr_info) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve superblock extension info") /* Set the superblock extension size */ @@ -724,12 +1675,15 @@ H5F_super_size(H5F_t *f, hid_t dxpl_id, hsize_t *super_size, hsize_t *super_ext_ } /* end if */ done: + /* Reset the ring in the API context */ + if (orig_ring != H5AC_RING_INV) + H5AC_set_ring(orig_ring, NULL); + FUNC_LEAVE_NOAPI(ret_value) -} /* H5F_super_size() */ +} /* H5F__super_size() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_ext_write_msg() + * Function: H5F__super_ext_write_msg() * * Purpose: Write the message with ID to the superblock extension * @@ -740,72 +1694,80 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, void *mesg, unsigned id, hbool_t may_create) +H5F__super_ext_write_msg(H5F_t *f, unsigned id, void *mesg, hbool_t may_create, unsigned mesg_flags) { - hbool_t ext_created = FALSE; /* Whether superblock extension was created */ - hbool_t ext_opened = FALSE; /* Whether superblock extension was opened */ - H5O_loc_t ext_loc; /* "Object location" for superblock extension */ - htri_t status; /* Indicate whether the message exists or not */ - herr_t ret_value = SUCCEED; /* Return value */ + H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ + hbool_t ext_created = FALSE; /* Whether superblock extension was created */ + hbool_t ext_opened = FALSE; /* Whether superblock extension was opened */ + H5O_loc_t ext_loc; /* "Object location" for superblock extension */ + htri_t status; /* Indicate whether the message exists or not */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI(FAIL) + FUNC_ENTER_PACKAGE /* Sanity checks */ HDassert(f); HDassert(f->shared); HDassert(f->shared->sblock); + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SBE, &orig_ring); + /* Open/create the superblock extension object header */ - if(H5F_addr_defined(f->shared->sblock->ext_addr)) { - if(H5F_super_ext_open(f, f->shared->sblock->ext_addr, &ext_loc) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTOPENOBJ, FAIL, "unable to open file's superblock extension") + if (H5F_addr_defined(f->shared->sblock->ext_addr)) { + if (H5F__super_ext_open(f, f->shared->sblock->ext_addr, &ext_loc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTOPENOBJ, FAIL, "unable to open file's superblock extension") } /* end if */ else { HDassert(may_create); - if(H5F_super_ext_create(f, dxpl_id, &ext_loc) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "unable to create file's superblock extension") + if (H5F__super_ext_create(f, &ext_loc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "unable to create file's superblock extension") ext_created = TRUE; } /* end else */ HDassert(H5F_addr_defined(ext_loc.addr)); ext_opened = TRUE; /* Check if message with ID does not exist in the object header */ - if((status = H5O_msg_exists(&ext_loc, id, dxpl_id)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to check object header for message or message exists") + if ((status = H5O_msg_exists(&ext_loc, id)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, + "unable to check object header for message or message exists") /* Check for creating vs. writing */ - if(may_create) { - if(status) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should not exist") + if (may_create) { + if (status) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should not exist") - /* Create the message with ID in the superblock extension */ - if(H5O_msg_create(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to create the message in object header") + /* Create the message with ID in the superblock extension */ + if (H5O_msg_create(&ext_loc, id, (mesg_flags | H5O_MSG_FLAG_DONTSHARE), H5O_UPDATE_TIME, mesg) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to create the message in object header") } /* end if */ else { - if(!status) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should exist") + if (!status) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should exist") - /* Update the message with ID in the superblock extension */ - if(H5O_msg_write(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to write the message in object header") + /* Update the message with ID in the superblock extension */ + if (H5O_msg_write(&ext_loc, id, (mesg_flags | H5O_MSG_FLAG_DONTSHARE), H5O_UPDATE_TIME, mesg) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to write the message in object header") } /* end else */ done: + /* Reset the ring in the API context */ + if (orig_ring != H5AC_RING_INV) + H5AC_set_ring(orig_ring, NULL); + /* Close the superblock extension, if it was opened */ - if(ext_opened && H5F_super_ext_close(f, &ext_loc, dxpl_id, ext_created) < 0) + if (ext_opened && H5F__super_ext_close(f, &ext_loc, ext_created) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension") /* Mark superblock dirty in cache, if superblock extension was created */ - if(ext_created && H5AC_mark_entry_dirty(f->shared->sblock) < 0) + if (ext_created && H5AC_mark_entry_dirty(f->shared->sblock) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTMARKDIRTY, FAIL, "unable to mark superblock as dirty") FUNC_LEAVE_NOAPI(ret_value) -} /* H5F_super_ext_write_msg() */ +} /* H5F__super_ext_write_msg() */ - /*------------------------------------------------------------------------- - * Function: H5F_super_ext_remove_msg + * Function: H5F__super_ext_remove_msg * * Purpose: Remove the message with ID from the superblock extension * @@ -816,56 +1778,64 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_super_ext_remove_msg(H5F_t *f, hid_t dxpl_id, unsigned id) +H5F__super_ext_remove_msg(H5F_t *f, unsigned id) { - H5O_loc_t ext_loc; /* "Object location" for superblock extension */ - hbool_t ext_opened = FALSE; /* Whether the superblock extension was opened */ - int null_count = 0; /* # of null messages */ - htri_t status; /* Indicate whether the message exists or not */ - herr_t ret_value = SUCCEED; /* Return value */ + H5AC_ring_t orig_ring = H5AC_RING_INV; /* Original ring value */ + H5O_loc_t ext_loc; /* "Object location" for superblock extension */ + hbool_t ext_opened = FALSE; /* Whether the superblock extension was opened */ + int null_count = 0; /* # of null messages */ + htri_t status; /* Indicate whether the message exists or not */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI(FAIL) + FUNC_ENTER_PACKAGE /* Make sure that the superblock extension object header exists */ HDassert(H5F_addr_defined(f->shared->sblock->ext_addr)); + /* Set the ring type in the API context */ + H5AC_set_ring(H5AC_RING_SBE, &orig_ring); + /* Open superblock extension object header */ - if(H5F_super_ext_open(f, f->shared->sblock->ext_addr, &ext_loc) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "error in starting file's superblock extension") + if (H5F__super_ext_open(f, f->shared->sblock->ext_addr, &ext_loc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "error in starting file's superblock extension") ext_opened = TRUE; /* Check if message with ID exists in the object header */ - if((status = H5O_msg_exists(&ext_loc, id, dxpl_id)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to check object header for message") - else if(status) { /* message exists */ - H5O_hdr_info_t hdr_info; /* Object header info for superblock extension */ - - /* Remove the message */ - if(H5O_msg_remove(&ext_loc, id, H5O_ALL, TRUE, dxpl_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTDELETE, FAIL, "unable to delete free-space manager info message") - - /* Get info for the superblock extension's object header */ - if(H5O_get_hdr_info(&ext_loc, dxpl_id, &hdr_info) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to retrieve superblock extension info") - - /* If the object header is an empty base chunk, remove superblock extension */ - if(hdr_info.nchunks == 1) { - if((null_count = H5O_msg_count(&ext_loc, H5O_NULL_ID, dxpl_id)) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTCOUNT, FAIL, "unable to count messages") - else if((unsigned)null_count == hdr_info.nmesgs) { - HDassert(H5F_addr_defined(ext_loc.addr)); - if(H5O_delete(f, dxpl_id, ext_loc.addr) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTCOUNT, FAIL, "unable to count messages") - f->shared->sblock->ext_addr = HADDR_UNDEF; - } /* end if */ - } /* end if */ - } /* end if */ + if ((status = H5O_msg_exists(&ext_loc, id)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to check object header for message") + else if (status) { + /* message exists */ + H5O_hdr_info_t hdr_info; /* Object header info for superblock extension */ + + /* Remove the message */ + if (H5O_msg_remove(&ext_loc, id, H5O_ALL, TRUE) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTDELETE, FAIL, "unable to delete free-space manager info message") + + /* Get info for the superblock extension's object header */ + if (H5O_get_hdr_info(&ext_loc, &hdr_info) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to retrieve superblock extension info") + + /* If the object header is an empty base chunk, remove superblock extension */ + if (hdr_info.nchunks == 1) { + if ((null_count = H5O_msg_count(&ext_loc, H5O_NULL_ID)) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTCOUNT, FAIL, "unable to count messages") + else if ((unsigned)null_count == hdr_info.nmesgs) { + HDassert(H5F_addr_defined(ext_loc.addr)); + if (H5O_delete(f, ext_loc.addr) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTCOUNT, FAIL, "unable to count messages") + f->shared->sblock->ext_addr = HADDR_UNDEF; + } /* end else-if */ + } /* end if */ + } /* end if */ done: + /* Reset the ring in the API context */ + if (orig_ring != H5AC_RING_INV) + H5AC_set_ring(orig_ring, NULL); + /* Close superblock extension object header, if opened */ - if(ext_opened && H5F_super_ext_close(f, &ext_loc, dxpl_id, FALSE) < 0) - HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension") + if (ext_opened && H5F__super_ext_close(f, &ext_loc, FALSE) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension") FUNC_LEAVE_NOAPI(ret_value) -} /* H5F_super_ext_remove_msg() */ - +} /* H5F__super_ext_remove_msg() */ |