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[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: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <jbottomley@parallels.com>
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1 changed files with 2 additions and 1 deletions
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@ -490,7 +490,8 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
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unsigned int max_blocks = 0;
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q->limits.discard_zeroes_data = sdkp->lbprz;
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q->limits.discard_alignment = sdkp->unmap_alignment;
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q->limits.discard_alignment = sdkp->unmap_alignment *
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logical_block_size;
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q->limits.discard_granularity =
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max(sdkp->physical_block_size,
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sdkp->unmap_granularity * logical_block_size);
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