]> git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/commit
block: require write_same and discard requests align to logical block size
authorDarrick J. Wong <darrick.wong@oracle.com>
Tue, 11 Oct 2016 20:51:08 +0000 (13:51 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 11 Oct 2016 22:06:30 +0000 (15:06 -0700)
commit28b2be203e5a09de566d6f7e21183f861e36f07e
treefae93d2f35925bafb738ef2172d93e4b68cf60d9
parent22dd6d356628bccb1a83e12212ec2934f4444e2c
block: require write_same and discard requests align to logical block size

Make sure that the offset and length arguments that we're using to
construct WRITE SAME and DISCARD requests are actually aligned to the
logical block size.  Failure to do this causes other errors in other parts
of the block layer or the SCSI layer because disks don't support partial
logical block writes.

Link: http://lkml.kernel.org/r/147518379026.22791.4437508871355153928.stgit@birch.djwong.org
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Mike Snitzer <snitzer@redhat.com> # tweaked header
Cc: Brian Foster <bfoster@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
block/blk-lib.c