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sd: Fail discard requests when logical block provisioning has been disabled 

Ensure that we kill discard requests after logical block provisioning
has been disabled in sysfs.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Martin K. Petersen 2011-03-22 00:27:42 -04:00 committed by Linus Torvalds
parent c62b389863
commit 09b9cc44c9
1 changed files with 1 additions and 0 deletions
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1
drivers/scsi/sd.c
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@ -597,6 +597,7 @@ static int scsi_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq)
break;
default:
ret = BLKPREP_KILL;
goto out;
}