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blobstore: Add function to get io_unit per cluster

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This function returns the number of io_units per cluster

Signed-off-by: Damiano Cipriani <damiano.cipriani@suse.com>
Change-Id: I8f33d24a63876a0a918830b9eeaa69a91ff21193
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14431
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Community-CI: Mellanox Build Bot
This commit is contained in:
Damiano Cipriani 2022-09-08 12:52:04 +02:00 committed by Tomasz Zawadzki
parent 2de485346e
commit ddf5a8da90
1 changed files with 16 additions and 6 deletions
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22
lib/blob/blobstore.h
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@ -531,6 +531,21 @@ bs_cluster_to_extent_page(struct spdk_blob *blob, uint64_t cluster_num)
return &blob->active.extent_pages[extent_table_id];
}
static inline uint64_t
bs_io_units_per_cluster(struct spdk_blob *blob)
{
uint64_t io_units_per_cluster;
uint8_t shift = blob->bs->pages_per_cluster_shift;
if (shift != 0) {
io_units_per_cluster = bs_io_unit_per_page(blob->bs) << shift;
} else {
io_units_per_cluster = bs_io_unit_per_page(blob->bs) * blob->bs->pages_per_cluster;
}
return io_units_per_cluster;
}
/* End basic conversions */
static inline uint64_t
@ -591,13 +606,8 @@ static inline uint32_t
bs_num_io_units_to_cluster_boundary(struct spdk_blob *blob, uint64_t io_unit)
{
uint64_t io_units_per_cluster;
uint8_t shift = blob->bs->pages_per_cluster_shift;
if (shift != 0) {
io_units_per_cluster = bs_io_unit_per_page(blob->bs) << shift;
} else {
io_units_per_cluster = bs_io_unit_per_page(blob->bs) * blob->bs->pages_per_cluster;
}
io_units_per_cluster = bs_io_units_per_cluster(blob);
return io_units_per_cluster - (io_unit % io_units_per_cluster);
}