btrfs: Check the first key and level for cached extent buffer

[sfrench/cifs-2.6.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index ea44cf13613152e18cd9fa1194ea03824cf7399d..71141ae72cc9ccb9011baccea1ae383adde5818e 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -394,9 +394,9 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
        return ret;
 }
 
-static int verify_level_key(struct btrfs_fs_info *fs_info,
-                           struct extent_buffer *eb, int level,
-                           struct btrfs_key *first_key, u64 parent_transid)
+int btrfs_verify_level_key(struct btrfs_fs_info *fs_info,
+                          struct extent_buffer *eb, int level,
+                          struct btrfs_key *first_key, u64 parent_transid)
 {
        int found_level;
        struct btrfs_key found_key;
@@ -473,8 +473,8 @@ static int btree_read_extent_buffer_pages(struct btrfs_fs_info *fs_info,
                        if (verify_parent_transid(io_tree, eb,
                                                   parent_transid, 0))
                                ret = -EIO;
-                       else if (verify_level_key(fs_info, eb, level,
-                                                 first_key, parent_transid))
+                       else if (btrfs_verify_level_key(fs_info, eb, level,
+                                               first_key, parent_transid))
                                ret = -EUCLEAN;
                        else
                                break;