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(parent: efaaf41) | patch
block: ioctl to zero block ranges
authorMartin K. Petersen <martin.petersen@oracle.com>
Tue, 18 Sep 2012 16:19:29 +0000 (12:19 -0400)
committerJens Axboe <axboe@kernel.dk>
Thu, 20 Sep 2012 12:31:53 +0000 (14:31 +0200)
commita0d7d23878ac86bcd4d445e1b08689e554dd2c46
tree61bc596fd84f48a47a28a593435b437371607d6ftree | snapshot
parentefaaf41b1c0d0ebb7fbc86f551b4591f7c3d1c21commit | diff
block: ioctl to zero block ranges

Introduce a BLKZEROOUT ioctl which can be used to clear block ranges by
way of blkdev_issue_zeroout().

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/ioctl.c diff | blob | history
include/linux/fs.h diff | blob | history
Linux Kernel Source Tree.