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(parent: fbcbe2b) | patch
fs/jfs: TRIM support for JFS Filesystem
authorTino Reichardt <milky-kernel@mcmilk.de>
Mon, 17 Sep 2012 16:58:19 +0000 (11:58 -0500)
committerDave Kleikamp <dave.kleikamp@oracle.com>
Mon, 17 Sep 2012 16:58:19 +0000 (11:58 -0500)
commitb40c2e665cd552eae5fbdbb878bc29a34357668e
tree23714e5773a77abf1daf71ca7958dcd8dfa688eatree | snapshot (tar.gz zip)
parentfbcbe2b3c92ee1c930dcfcf8bb764074c100fd63commit | diff
fs/jfs: TRIM support for JFS Filesystem

This patch adds support for the two linux interfaces of the discard/TRIM
command for SSD devices and sparse/thinly-provisioned LUNs.

JFS will support batched discard via FITRIM ioctl and online discard
with the discard mount option.

Signed-off-by: Tino Reichardt <list-jfs@mcmilk.de>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Documentation/filesystems/jfs.txt diff | blob | blame | history
fs/jfs/Makefile diff | blob | blame | history
fs/jfs/ioctl.c diff | blob | blame | history
fs/jfs/jfs_discard.c [new file with mode: 0644] blob
fs/jfs/jfs_discard.h [new file with mode: 0644] blob
fs/jfs/jfs_dmap.c diff | blob | blame | history
fs/jfs/jfs_dmap.h diff | blob | blame | history
fs/jfs/jfs_filsys.h diff | blob | blame | history
fs/jfs/jfs_incore.h diff | blob | blame | history
fs/jfs/super.c diff | blob | blame | history