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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/dir.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/dir.c')
| -rw-r--r-- | fs/f2fs/dir.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index faa7495e2d7e..8950fc3cc2f7 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -296,7 +296,7 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, { enum page_type type = f2fs_has_inline_dentry(dir) ? NODE : DATA; lock_page(page); - f2fs_wait_on_page_writeback(page, type); + f2fs_wait_on_page_writeback(page, type, true); de->ino = cpu_to_le32(inode->i_ino); set_de_type(de, inode->i_mode); f2fs_dentry_kunmap(dir, page); @@ -311,7 +311,7 @@ static void init_dent_inode(const struct qstr *name, struct page *ipage) { struct f2fs_inode *ri; - f2fs_wait_on_page_writeback(ipage, NODE); + f2fs_wait_on_page_writeback(ipage, NODE, true); /* copy name info. to this inode page */ ri = F2FS_INODE(ipage); @@ -598,7 +598,7 @@ start: ++level; goto start; add_dentry: - f2fs_wait_on_page_writeback(dentry_page, DATA); + f2fs_wait_on_page_writeback(dentry_page, DATA, true); if (inode) { down_write(&F2FS_I(inode)->i_sem); @@ -709,7 +709,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, return f2fs_delete_inline_entry(dentry, page, dir, inode); lock_page(page); - f2fs_wait_on_page_writeback(page, DATA); + f2fs_wait_on_page_writeback(page, DATA, true); dentry_blk = page_address(page); bit_pos = dentry - dentry_blk->dentry; |