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(parent: 5378e60) | patch
Btrfs: add btrfs_trim_fs() to handle FITRIM
authorLi Dongyang <lidongyang@novell.com>
Thu, 24 Mar 2011 10:24:28 +0000 (10:24 +0000)
committerroot <Chris Mason chris.mason@oracle.com>
Mon, 28 Mar 2011 09:37:47 +0000 (05:37 -0400)
commitf7039b1d5c32241f87a513e33120db36bf30264d
treee911bc79c795fceb3e9a618d8f18571c2a776307tree | snapshot
parent5378e60734f5b7bfe1b43dc191aaf6131c1befe7commit | diff
Btrfs: add btrfs_trim_fs() to handle FITRIM

We take an free extent out from allocator, trim it, then put it back,
but before we trim the block group, we should make sure the block group is
cached, so plus a little change to make cache_block_group() run without a
transaction.

Signed-off-by: Li Dongyang <lidongyang@novell.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/ctree.h diff | blob | history
fs/btrfs/extent-tree.c diff | blob | history
fs/btrfs/free-space-cache.c diff | blob | history
fs/btrfs/free-space-cache.h diff | blob | history
fs/btrfs/ioctl.c diff | blob | history
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