diff options
| author | Jaegeuk Kim | 2016-05-21 07:50:29 +0200 |
|---|---|---|
| committer | Jaegeuk Kim | 2016-06-03 03:05:17 +0200 |
| commit | b93f7712868648c0529eed6b568cea1493d3d9f9 (patch) | |
| tree | c0ac3da3b8f764e13f19f38899ab36319b59d292 /fs/f2fs/super.c | |
| parent | f2fs: set flush_merge by default (diff) | |
| download | kernel-qcow2-linux-b93f7712868648c0529eed6b568cea1493d3d9f9.tar.gz kernel-qcow2-linux-b93f7712868648c0529eed6b568cea1493d3d9f9.tar.xz kernel-qcow2-linux-b93f7712868648c0529eed6b568cea1493d3d9f9.zip | |
f2fs: remove writepages lock
This patch removes writepages lock.
We can improve multi-threading performance.
tiobench, 32 threads, 4KB write per fsync on SSD
Before: 25.88 MB/s
After: 28.03 MB/s
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 55203f6a4e8b..a5b57390079c 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1630,7 +1630,6 @@ try_onemore: sbi->raw_super = raw_super; sbi->valid_super_block = valid_super_block; mutex_init(&sbi->gc_mutex); - mutex_init(&sbi->writepages); mutex_init(&sbi->cp_mutex); init_rwsem(&sbi->node_write); |