diff options
| author | Chao Yu <chao2.yu@samsung.com> | 2014-03-11 13:37:38 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-11 16:31:06 +0900 |
| commit | 28cdce0459ccea71ea734d7903d39910d1c6a05d (patch) | |
| tree | cbd61d6fc5b1984297b92a5434839261a70af1c1 /fs/f2fs/node.c | |
| parent | d653788a43475eb3cdfcfaa60fb53451878944cf (diff) | |
| download | linux-28cdce0459ccea71ea734d7903d39910d1c6a05d.tar.bz2 | |
f2fs: recover inline xattr data in roll-forward process
Previously we do not recover inline xattr data of inode after power-cut, so
inline xattr data may be lost.
We should recover the data during the roll-forward process.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index c415cec041b7..e72b2585de68 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1493,6 +1493,37 @@ void recover_node_page(struct f2fs_sb_info *sbi, struct page *page, clear_node_page_dirty(page); } +void recover_inline_xattr(struct inode *inode, struct page *page) +{ + struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); + void *src_addr, *dst_addr; + size_t inline_size; + struct page *ipage; + struct f2fs_inode *ri; + + if (!is_inode_flag_set(F2FS_I(inode), FI_INLINE_XATTR)) + return; + + if (!IS_INODE(page)) + return; + + ri = F2FS_INODE(page); + if (!(ri->i_inline & F2FS_INLINE_XATTR)) + return; + + ipage = get_node_page(sbi, inode->i_ino); + f2fs_bug_on(IS_ERR(ipage)); + + dst_addr = inline_xattr_addr(ipage); + src_addr = inline_xattr_addr(page); + inline_size = inline_xattr_size(inode); + + memcpy(dst_addr, src_addr, inline_size); + + update_inode(inode, ipage); + f2fs_put_page(ipage, 1); +} + bool recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); @@ -1500,6 +1531,8 @@ bool recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr) nid_t new_xnid = nid_of_node(page); struct node_info ni; + recover_inline_xattr(inode, page); + if (ofs_of_node(page) != XATTR_NODE_OFFSET) return false; |