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)
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>

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