On Mon, Jul 05 2010 at 12:00am -0400, FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> wrote: > This can be applied to the block's for-2.6.36. > > = > From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> > Subject: [PATCH] scsi: unify the error handling of the prep functions > > This unifies the error handling of the prep functions (and fix the > leak of a page allocated for discard in the case of BLKPREP_KILL or > BLK_PREP_DEFER). > > The error handling of the prep path is very messy. Some errors are > handled in the prep functions while some are in scsi_prep_return(). > > Let's handle all the errors in scsi_prep_return(). > > Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> This patch addresses the discard page leak too (scsi_prep_error calls scsi_unprep_request which calls blk_unprep_request). Acked-by: Mike Snitzer <snitzer@xxxxxxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel