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| author | Fan Li <fanofcode.li@samsung.com> | 2015-08-04 13:27:51 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-05 08:08:16 -0700 |
| commit | 5768dcdd7f7675f9540e648428c8a1cd7208a0fe (patch) | |
| tree | 3f5f2fb2709d0e80fbae9cfc6c3e0328c1af66a1 /fs | |
| parent | edb27deea7cabfff8feb8c62aae647b7673be734 (diff) | |
| download | linux-5768dcdd7f7675f9540e648428c8a1cd7208a0fe.tar.gz linux-5768dcdd7f7675f9540e648428c8a1cd7208a0fe.tar.bz2 linux-5768dcdd7f7675f9540e648428c8a1cd7208a0fe.zip | |
f2fs: change the timing of f2fs_wait_on_page_writeback
some backing devices need pages to be stable during writeback. It doesn't
matter if
the page is completely overwritten or already uptodate, it needs to wait
before write.
Signed-off-by: Fan li <fanofcode.li@samsung.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/data.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index e4081fc91012..2692848e7f75 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1383,13 +1383,13 @@ put_next: f2fs_put_dnode(&dn); f2fs_unlock_op(sbi); + f2fs_wait_on_page_writeback(page, DATA); + if (len == PAGE_CACHE_SIZE) goto out_update; if (PageUptodate(page)) goto out_clear; - f2fs_wait_on_page_writeback(page, DATA); - if ((pos & PAGE_CACHE_MASK) >= i_size_read(inode)) { unsigned start = pos & (PAGE_CACHE_SIZE - 1); unsigned end = start + len; |