diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-05-19 23:37:01 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-05-23 21:09:03 -0700 |
| commit | fb830fc5cfc90ba8236921aacb72c6d70bf78af7 (patch) | |
| tree | b4a67924b1df7f03367b6af6b2d795efff91699b /fs/f2fs/super.c | |
| parent | e41e6d75e5010741f01f8aa4f77a5e8a1786652d (diff) | |
| download | linux-stable-fb830fc5cfc90ba8236921aacb72c6d70bf78af7.tar.gz linux-stable-fb830fc5cfc90ba8236921aacb72c6d70bf78af7.tar.bz2 linux-stable-fb830fc5cfc90ba8236921aacb72c6d70bf78af7.zip | |
f2fs: introduce io_list for serialize data/node IOs
Serialize data/node IOs by using fifo list instead of mutex lock,
it will help to enhance concurrency of f2fs, meanwhile keeping LFS
IO semantics.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index b700766d0cbf..d6af34d1e6a8 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1983,6 +1983,8 @@ try_onemore: init_rwsem(&sbi->write_io[i][j].io_rwsem); sbi->write_io[i][j].sbi = sbi; sbi->write_io[i][j].bio = NULL; + spin_lock_init(&sbi->write_io[i][j].io_lock); + INIT_LIST_HEAD(&sbi->write_io[i][j].io_list); } } |