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>
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index c415cec..e72b258 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1493,6 +1493,37 @@
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 @@
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;