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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-01-20 23:43:51 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-02-22 16:07:23 -0800 |
| commit | fec1d6576cdf2ce13f84fcdf7b20d02a05f76fc6 (patch) | |
| tree | a413bdb72037dedf3bace051d93683591690cd5b /fs/f2fs/checkpoint.c | |
| parent | 718e53fa633f84d09acb4b76f1ad572ccbf75a12 (diff) | |
| download | linux-fec1d6576cdf2ce13f84fcdf7b20d02a05f76fc6.tar.gz linux-fec1d6576cdf2ce13f84fcdf7b20d02a05f76fc6.tar.bz2 linux-fec1d6576cdf2ce13f84fcdf7b20d02a05f76fc6.zip | |
f2fs: use wait_for_stable_page to avoid contention
In write_begin, if storage supports stable_page, we don't need to wait for
writeback to update its contents.
This patch introduces to use wait_for_stable_page instead of
wait_on_page_writeback.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/checkpoint.c')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 3842af954cd5..4b6f9c08f6fa 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -39,7 +39,7 @@ repeat: cond_resched(); goto repeat; } - f2fs_wait_on_page_writeback(page, META); + f2fs_wait_on_page_writeback(page, META, true); SetPageUptodate(page); return page; } @@ -232,7 +232,7 @@ static int f2fs_write_meta_page(struct page *page, if (unlikely(f2fs_cp_error(sbi))) goto redirty_out; - f2fs_wait_on_page_writeback(page, META); + f2fs_wait_on_page_writeback(page, META, true); write_meta_page(sbi, page); dec_page_count(sbi, F2FS_DIRTY_META); unlock_page(page); |