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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-04-29 12:28:32 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-05-07 05:21:58 +0400 |
| commit | 54b591dfda1f5ab0bc2a9ce1bee5364110168777 (patch) | |
| tree | 7f7f2ad061083fad401fcbc96728817e3cbe790e /fs/f2fs/xattr.c | |
| parent | 8aa6f1c5bd7043734fff1961a4795da9cc5d0f50 (diff) | |
| download | linux-54b591dfda1f5ab0bc2a9ce1bee5364110168777.tar.xz | |
f2fs: split grab_cache_page and wait_on_page_writeback for node pages
This patch splits grab_cache_page_write_begin into grab_cache_page and
wait_on_page_writeback for node pages.
This patch intends to enhance the latency to get node pages by alleviating
unnecessary wait_on_page_writeback.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/xattr.c')
| -rw-r--r-- | fs/f2fs/xattr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 6073f9f88416..1f546b4b6b61 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -349,6 +349,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize, if (ipage) { inline_addr = inline_xattr_addr(ipage); + f2fs_wait_on_page_writeback(ipage, NODE); } else { page = get_node_page(sbi, inode->i_ino); if (IS_ERR(page)) { @@ -356,6 +357,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize, return PTR_ERR(page); } inline_addr = inline_xattr_addr(page); + f2fs_wait_on_page_writeback(page, NODE); } memcpy(inline_addr, txattr_addr, inline_size); f2fs_put_page(page, 1); @@ -376,6 +378,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize, return PTR_ERR(xpage); } f2fs_bug_on(new_nid); + f2fs_wait_on_page_writeback(xpage, NODE); } else { struct dnode_of_data dn; set_new_dnode(&dn, inode, NULL, NULL, new_nid); |