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fs/jfs: TRIM support for JFS Filesystem

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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>
This commit is contained in:
Tino Reichardt 2012-09-17 11:58:19 -05:00 • committed by Dave Kleikamp
commit b40c2e665c
10 changed files with 385 additions and 24 deletions
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