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nilfs2: add FITRIM ioctl support for nilfs2
authorAndreas Rohner <andreas.rohner@gmx.net>
Thu, 3 Apr 2014 21:50:30 +0000 (14:50 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 3 Apr 2014 23:21:26 +0000 (16:21 -0700)
commit532c70a0bfebeabab8b302a05c542139e1ba22f3
tree95170ef07f36d0a37f3ab1a26926faf1a6e5b021tree | snapshot
parent3f0a83ce576a9fba5f730e26b424011ff11f19fecommit | diff
nilfs2: add FITRIM ioctl support for nilfs2

Add support for the FITRIM ioctl, which enables user space tools to
issue TRIM/DISCARD requests to the underlying device.  Every clean
segment within the specified range will be discarded.

Signed-off-by: Andreas Rohner <andreas.rohner@gmx.net>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/nilfs2/ioctl.c diff | blob | history
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