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(parent: 387ac08) | patch
block: update request stacking methods to support discards
authorike Snitzer <snitzer@redhat.com>
Sun, 8 Aug 2010 16:11:33 +0000 (12:11 -0400)
committerJens Axboe <jaxboe@fusionio.com>
Sun, 8 Aug 2010 16:11:33 +0000 (12:11 -0400)
commit3383977fadc4027f20907f6208a9033cd043adab
tree4c950e22a7db4c2f0d5a65462b3f9081f4f6132etree | snapshot (tar.bz2 tar.gz zip)
parent387ac089361fbe5ef287e6950c5c40f6b18e5c55commit | diff
block: update request stacking methods to support discards

Propagate REQ_DISCARD in cmd_flags when cloning a discard request.
Skip blk_rq_check_limits's existing checks for discard requests because
discard limits will have already been checked in blkdev_issue_discard.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
block/blk-core.c diff | blob | blame | history
Clone of davem's net-next-2.6 tree