diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-04-13 16:14:38 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:33:20 +0200 |
| commit | 5082299b063446c3c4b252a20489c4c8c7d1ef3f (patch) | |
| tree | 64991951c40f61ca2fd15d40c7d4c0ae1865c160 /fs/f2fs/node.c | |
| parent | e078f89999e9463f10f6469aedbdffa5bce13e5f (diff) | |
f2fs: avoid needless lock for node pages when fsyncing a file
When fsync is called, sync_node_pages finds a proper direct node pages to flush.
But, it locks unrelated direct node pages together unnecessarily.
Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index b34fafc58..132111688 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1277,10 +1277,14 @@ next_step: * we should not skip writing node pages. */ lock_node: - if (ino && ino_of_node(page) == ino) - lock_page(page); - else if (!trylock_page(page)) + if (ino) { + if (ino_of_node(page) == ino) + lock_page(page); + else + continue; + } else if (!trylock_page(page)) { continue; + } if (unlikely(page->mapping != NODE_MAPPING(sbi))) { continue_unlock: |