diff options
Diffstat (limited to 'src/H5MFaggr.c')
| -rw-r--r-- | src/H5MFaggr.c | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/src/H5MFaggr.c b/src/H5MFaggr.c index 89412cd..1435d18 100644 --- a/src/H5MFaggr.c +++ b/src/H5MFaggr.c @@ -605,13 +605,13 @@ H5MF_aggr_query(const H5F_t *f, const H5F_blk_aggr_t *aggr, haddr_t *addr, * *------------------------------------------------------------------------- */ -herr_t +static herr_t H5MF_aggr_reset(H5F_t *f, hid_t dxpl_id, H5F_blk_aggr_t *aggr) { H5FD_mem_t alloc_type; /* Type of file memory to work with */ herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI(H5MF_aggr_reset, FAIL) + FUNC_ENTER_NOAPI_NOINIT(H5MF_aggr_reset) /* Check args */ HDassert(f); @@ -648,3 +648,72 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_aggr_reset() */ + +/*------------------------------------------------------------------------- + * Function: H5MF_free_aggrs + * + * Purpose: Reset a metadata & small block aggregators, returning any space + * back to file + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Vailin Choi + * July 1st, 2009 + * + *------------------------------------------------------------------------- + */ +herr_t +H5MF_free_aggrs(H5F_t *f, hid_t dxpl_id) +{ + H5F_blk_aggr_t *first_aggr; /* First aggregator to reset */ + H5F_blk_aggr_t *second_aggr; /* Second aggregator to reset */ + haddr_t ma_addr = HADDR_UNDEF; /* Base "metadata aggregator" address */ + hsize_t ma_size = 0; /* Size of "metadata aggregator" */ + haddr_t sda_addr = HADDR_UNDEF; /* Base "small data aggregator" address */ + hsize_t sda_size = 0; /* Size of "small data aggregator" */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(H5MF_free_aggrs, FAIL) + + /* Check args */ + HDassert(f); + HDassert(f->shared); + HDassert(f->shared->lf); + + /* Retrieve metadata aggregator info, if available */ + if(H5MF_aggr_query(f, &(f->shared->meta_aggr), &ma_addr, &ma_size) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query metadata aggregator stats") + + /* Retrieve 'small data' aggregator info, if available */ + if(H5MF_aggr_query(f, &(f->shared->sdata_aggr), &sda_addr, &sda_size) < 0) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, FAIL, "can't query small data aggregator stats") + + /* Make certain we release the aggregator that's later in the file first */ + /* (so the file shrinks properly) */ + if(H5F_addr_defined(ma_addr) && H5F_addr_defined(sda_addr)) { + if(H5F_addr_lt(ma_addr, sda_addr)) { + first_aggr = &(f->shared->sdata_aggr); + second_aggr = &(f->shared->meta_aggr); + } /* end if */ + else { + first_aggr = &(f->shared->meta_aggr); + second_aggr = &(f->shared->sdata_aggr); + } /* end else */ + } /* end if */ + else { + first_aggr = &(f->shared->meta_aggr); + second_aggr = &(f->shared->sdata_aggr); + } /* end else */ + + /* Release the unused portion of the metadata and "small data" blocks back + * to the free lists in the file. + */ + if(H5MF_aggr_reset(f, dxpl_id, first_aggr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't reset metadata block") + if(H5MF_aggr_reset(f, dxpl_id, second_aggr) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTFREE, FAIL, "can't reset 'small data' block") +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5MF_free_aggrs() */ + |