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(parent: 8e03be0) | patch
f2fs: reduce competition among node page writes
authorChao Yu <chao2.yu@samsung.com>
Thu, 3 Jul 2014 10:58:39 +0000 (18:58 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Thu, 31 Jul 2014 06:28:37 +0000 (23:28 -0700)
commit96344616c5f3f5bd000852bb5af559632b0140fc
tree200ab9ca194921c8baad9954fee36eee072a772ftree | snapshot
parent8e03be025b2f414d17fe3d66b00a5ecb3f267dd3commit | diff
f2fs: reduce competition among node page writes

We do not need to block on ->node_write among different node page writers e.g.
fsync/flush, unless we have a node page writer from write_checkpoint.
So it's better use rw_semaphore instead of mutex type for ->node_write to
promote performance.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/checkpoint.c diff | blob | history
fs/f2fs/f2fs.h diff | blob | history
fs/f2fs/node.c diff | blob | history
fs/f2fs/super.c diff | blob | history
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