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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-07-14 05:33:19 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-07-16 01:21:23 +0300 |
| commit | 9dfa1baff76d08843aaf5e3c78f6da6950957702 (patch) | |
| tree | 72de844844bf3a78ed02ba11e36b405246bf8a0d /fs/f2fs/data.c | |
| parent | 82e0a5aa5ddf794b3e1b21fcd091228736871882 (diff) | |
| download | linux-9dfa1baff76d08843aaf5e3c78f6da6950957702.tar.xz | |
f2fs: use blk_plug in all the possible paths
This patch reverts 19a5f5e2ef37 (f2fs: drop any block plugging),
and adds blk_plug in write paths additionally.
The main reason is that blk_start_plug can be used to wake up from low-power
mode before submitting further bios.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index adfe47b21991..87a458fb8afe 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1438,6 +1438,7 @@ static int f2fs_write_data_pages(struct address_space *mapping, { struct inode *inode = mapping->host; struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + struct blk_plug plug; int ret; /* deal with chardevs and other special file */ @@ -1463,7 +1464,9 @@ static int f2fs_write_data_pages(struct address_space *mapping, trace_f2fs_writepages(mapping->host, wbc, DATA); + blk_start_plug(&plug); ret = f2fs_write_cache_pages(mapping, wbc); + blk_finish_plug(&plug); /* * if some pages were truncated, we cannot guarantee its mapping->host * to detect pending bios. |