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| author |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-20 21:52:53 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-20 22:10:11 +0900 |
| commit | 479f40c44ae30e02642ce0391be707a53852d545 (patch) | |
| tree | 0ad83458da430f524f70a681c4d88c1b22e54233 /fs/f2fs/xattr.c | |
| parent | f2fs: introduce fi->i_sem to protect fi's info (diff) | |
| download | linux-dev-479f40c44ae30e02642ce0391be707a53852d545.tar.xz linux-dev-479f40c44ae30e02642ce0391be707a53852d545.zip | |
f2fs: skip unnecessary node writes during fsync
If multiple redundant fsync calls are triggered, we don't need to write its
node pages with fsync mark continuously.
So, this patch adds FI_NEED_FSYNC to track whether the latest node block is
written with the fsync mark or not.
If the mark was set, a new fsync doesn't need to write a node block.
Otherwise, we should do a new node block with the mark for roll-forward
recovery.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/xattr.c')
0 files changed, 0 insertions, 0 deletions