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vdo: fix slab size bits calculation

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When formating VDO volume, the calculated amound of bits
for 'vdoformat --slab-bits' parameter was shifted by 2 bits
(calculated size was making 2MiB vdo_slab_size_mb value appear like if
user would be specifying only 512KiB)

Fixed by properly converting internal size_mb value to KiB.
This commit is contained in:
Zdenek Kabelac 2020-02-21 11:59:29 +01:00
parent 84eab461c8
commit d02d7bc560
1 changed files with 1 additions and 1 deletions
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2
lib/metadata/vdo_manip.c
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@ -248,7 +248,7 @@ static int _format_vdo_pool_data_lv(struct logical_volume *data_lv,
args++;
}
slabbits = 31 - clz(vtp->slab_size_mb / DM_VDO_BLOCK_SIZE * 512);
slabbits = 31 - clz(vtp->slab_size_mb / DM_VDO_BLOCK_SIZE * 2 * 1024); /* to KiB / block_size */
log_debug("Slab size %s converted to %u bits.",
display_size(data_lv->vg->cmd, vtp->slab_size_mb * UINT64_C(2 * 1024)), slabbits);
if (dm_snprintf(buf_args[args], sizeof(buf_args[0]), "--slab-bits=%u", slabbits) < 0)