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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-06-04 14:21:28 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-06-08 10:25:50 -0700 |
| commit | 7dfeaa32204841aade36ba243a1cb45c54f42c15 (patch) | |
| tree | 10e5a6d48e85bdba1158e6a1b599812fda3edd5e /fs/f2fs/super.c | |
| parent | 7f319975ccea80cf03377ff579b0a9e613308570 (diff) | |
| download | linux-7dfeaa32204841aade36ba243a1cb45c54f42c15.tar.gz linux-7dfeaa32204841aade36ba243a1cb45c54f42c15.tar.bz2 linux-7dfeaa32204841aade36ba243a1cb45c54f42c15.zip | |
f2fs: avoid reverse IO order for NODE and DATA
There is a data race between allocate_data_block() and f2fs_sbumit_page_mbio(),
which incur unnecessary reversed bio submission.
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 94bb87dd4b31..dc66f1623e06 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1436,6 +1436,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi) INIT_LIST_HEAD(&sbi->s_list); mutex_init(&sbi->umount_mutex); + mutex_init(&sbi->wio_mutex[NODE]); + mutex_init(&sbi->wio_mutex[DATA]); #ifdef CONFIG_F2FS_FS_ENCRYPTION memcpy(sbi->key_prefix, F2FS_KEY_DESC_PREFIX, |