diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-05-19 23:37:01 +0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-07-21 12:37:27 +0200 |
| commit | a61ad3ab6f8a0e84a91814c5bc388a5e97c7ec16 (patch) | |
| tree | c6a89390f2a03c1931c8d7f1589a57d6530e348d /fs/f2fs/super.c | |
| parent | de2b8fef72ca2f1048a298f8f6a8bb4e38008ca4 (diff) | |
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 c9eb1590e..d00e1e4a0 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1989,6 +1989,8 @@ 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); } } |