Commit 2a8cfad0 authored by Martin K. Petersen's avatar Martin K. Petersen Committed by James Bottomley

[SCSI] sd: Unmap discard alignment needs to be converted to bytes

The block layer discard alignment is reported in bytes, not in units of
the logical block size.
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarJames Bottomley <jbottomley@parallels.com>
parent 45d7f0cc
......@@ -490,7 +490,8 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
unsigned int max_blocks = 0;
q->limits.discard_zeroes_data = sdkp->lbprz;
q->limits.discard_alignment = sdkp->unmap_alignment;
q->limits.discard_alignment = sdkp->unmap_alignment *
logical_block_size;
q->limits.discard_granularity =
max(sdkp->physical_block_size,
sdkp->unmap_granularity * logical_block_size);
......
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