diff options
Diffstat (limited to 'src/H5FDmulti.c')
| -rw-r--r-- | src/H5FDmulti.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/H5FDmulti.c b/src/H5FDmulti.c index 9c30104..9f05126 100644 --- a/src/H5FDmulti.c +++ b/src/H5FDmulti.c @@ -83,6 +83,7 @@ typedef struct H5FD_multi_fapl_t { hid_t memb_fapl[H5FD_MEM_NTYPES];/*member access properties */ char *memb_name[H5FD_MEM_NTYPES];/*name generators */ haddr_t memb_addr[H5FD_MEM_NTYPES];/*starting addr per member */ + haddr_t memb_eoa[H5FD_MEM_NTYPES]; /*EOA for individual files */ hbool_t relax; /*less stringent error checking */ } H5FD_multi_fapl_t; @@ -506,6 +507,9 @@ H5Pset_fapl_multi(hid_t fapl_id, const H5FD_mem_t *memb_map, memcpy(fa.memb_addr, memb_addr, H5FD_MEM_NTYPES*sizeof(haddr_t)); fa.relax = relax; + /* Initialize all EOAs to zero */ + memset(fa.memb_eoa, 0, H5FD_MEM_NTYPES*sizeof(haddr_t)); + /* Patch up H5P_DEFAULT property lists for members */ for (mt=H5FD_MEM_DEFAULT; mt<H5FD_MEM_NTYPES; mt=(H5FD_mem_t)(mt+1)) { if(fa.memb_fapl[mt]==H5P_DEFAULT) @@ -970,6 +974,9 @@ H5FD_multi_sb_decode(H5FD_t *_file, const char *name, const unsigned char *buf) if (file->memb[mt]) if(H5FDset_eoa(file->memb[mt], mt, memb_eoa[mt])<0) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_CANTSET, "set_eoa() failed", -1) + + /* Save the individual EOAs in one place for later comparison (in H5FD_multi_set_eoa) */ + file->fa.memb_eoa[mt] = memb_eoa[mt]; } END_MEMBERS; return 0; @@ -1564,6 +1571,10 @@ H5FD_multi_get_eoa(const H5FD_t *_file, H5FD_mem_t type) * for MULTI file. This function only sets eoa for individual * file. * + * Raymond Lu + * 21 June 2011 + * Backward compatibility of EOA. Please the comment in the + * code. *------------------------------------------------------------------------- */ static herr_t @@ -1581,6 +1592,17 @@ H5FD_multi_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t eoa) if(H5FD_MEM_DEFAULT == mmt) mmt = type; + /* Handle backward compatibility in a quick and simple way. v1.6 library had EOA for the entire virtual + * file. But it wasn't meaningful. So v1.8 library doesn't have it anymore. It saves the EOA for the + * metadata file, instead. Here we try to figure out whether the EOA is from a v1.6 file by comparing its + * value. If it is a big value, we assume it's from v1.6 and simply discard it. This is the normal case + * when the metadata file has the smallest starting address. If the metadata file has the biggest address, + * the EOAs of v1.6 and v1.8 files are the same. It won't cause any trouble. (Please see Issue 2598 + * in Jira) SLU - 2011/6/21 + */ + if(H5FD_MEM_SUPER == type && file->fa.memb_eoa[H5FD_MEM_SUPER] > 0 && eoa > file->fa.memb_eoa[H5FD_MEM_SUPER]) + return 0; + assert(eoa >= file->fa.memb_addr[mmt]); assert(eoa < file->memb_next[mmt]); |