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| author | Chao Yu <yuchao0@huawei.com> | 2018-02-26 17:04:13 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-03-13 02:05:48 +0300 |
| commit | 846ae671ad368e344a2b141c0f19e1014b27a0dd (patch) | |
| tree | b220f05ab079e37343b841d368a58916388149ab /fs/f2fs/super.c | |
| parent | 17cd07ae95073c298af92c1ba14ac58ce84de33b (diff) | |
| download | linux-846ae671ad368e344a2b141c0f19e1014b27a0dd.tar.xz | |
f2fs: expose extension_list sysfs entry
This patch adds a sysfs entry 'extension_list' to support
query/add/del item in extension list.
Query:
cat /sys/fs/f2fs/<device>/extension_list
Add:
echo 'extension' > /sys/fs/f2fs/<device>/extension_list
Del:
echo '!extension' > /sys/fs/f2fs/<device>/extension_list
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, 1 insertions, 1 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index d2833a232528..06da158d4263 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2222,7 +2222,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi) sbi->dirty_device = 0; spin_lock_init(&sbi->dev_lock); - mutex_init(&sbi->sb_lock); + init_rwsem(&sbi->sb_lock); } static int init_percpu_info(struct f2fs_sb_info *sbi) |