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-rw-r--r--fs/btrfs/tree-log.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index bcf0e48b1932..d1947af67bcd 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3526,8 +3526,10 @@ next_slot:
3526 struct extent_map_tree *tree = &BTRFS_I(inode)->extent_tree; 3526 struct extent_map_tree *tree = &BTRFS_I(inode)->extent_tree;
3527 struct extent_map *em, *n; 3527 struct extent_map *em, *n;
3528 3528
3529 write_lock(&tree->lock);
3529 list_for_each_entry_safe(em, n, &tree->modified_extents, list) 3530 list_for_each_entry_safe(em, n, &tree->modified_extents, list)
3530 list_del_init(&em->list); 3531 list_del_init(&em->list);
3532 write_unlock(&tree->lock);
3531 } 3533 }
3532 3534
3533 if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) { 3535 if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) {