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reduce: mark correct number of backing pages for md

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Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iebdfe79dd8e4240f2333db6a758193e048f9b5f2

Reviewed-on: https://review.gerrithub.io/c/440574
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Jim Harris 2019-01-12 08:44:53 -07:00
parent e28605f47a
commit 1fa0283f31
1 changed files with 6 additions and 2 deletions
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8
lib/reduce/reduce.c
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@ -370,6 +370,7 @@ static int
_allocate_bit_arrays(struct spdk_reduce_vol *vol) _allocate_bit_arrays(struct spdk_reduce_vol *vol)
{ {
uint64_t total_chunks, total_backing_io_units; uint64_t total_chunks, total_backing_io_units;
uint32_t i, num_metadata_io_units;
total_chunks = _get_total_chunks(vol->params.vol_size, vol->params.chunk_size); total_chunks = _get_total_chunks(vol->params.vol_size, vol->params.chunk_size);
vol->allocated_chunk_maps = spdk_bit_array_create(total_chunks); vol->allocated_chunk_maps = spdk_bit_array_create(total_chunks);
@ -381,8 +382,11 @@ _allocate_bit_arrays(struct spdk_reduce_vol *vol)
} }
/* Set backing io unit bits associated with metadata. */ /* Set backing io unit bits associated with metadata. */
spdk_bit_array_set(vol->allocated_backing_io_units, 0); num_metadata_io_units = (sizeof(*vol->backing_super) + REDUCE_PATH_MAX) /
spdk_bit_array_set(vol->allocated_backing_io_units, 1); vol->backing_dev->blocklen;
for (i = 0; i < num_metadata_io_units; i++) {
spdk_bit_array_set(vol->allocated_backing_io_units, i);
}
return 0; return 0;
} }