Btrfs: fix missing log when BTRFS_INODE_NEEDS_FULL_SYNC is set

If we set BTRFS_INODE_NEEDS_FULL_SYNC, we should log all the extent,
but now we forget to take it into account, and set a wrong max key,
if so, we will skip the file extent metadata when doing logging. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index d1947af67bcd..40b9efd20e43 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3394,7 +3394,10 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
 
 
         /* today the code can only do partial logging of directories */
-        if (inode_only == LOG_INODE_EXISTS || S_ISDIR(inode->i_mode))
+        if (S_ISDIR(inode->i_mode) ||
+            (!test_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
+                       &BTRFS_I(inode)->runtime_flags) &&
+             inode_only == LOG_INODE_EXISTS))
                 max_key.type = BTRFS_XATTR_ITEM_KEY;
         else
                 max_key.type = (u8)-1;