btrfs: scrub

[deliverable/linux.git] / fs / btrfs / file-item.c

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index a6a9d4e8b491eee488316c97f6f975e167bf13db..39ca7c1250e7b4328404603722929b49b84250da 100644 (file)
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -266,7 +266,7 @@ int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode,
 }
 
 int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
-                            struct list_head *list)
+                            struct list_head *list, int search_commit)
 {
        struct btrfs_key key;
        struct btrfs_path *path;
@@ -283,6 +283,12 @@ int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
        path = btrfs_alloc_path();
        BUG_ON(!path);
 
+       if (search_commit) {
+               path->skip_locking = 1;
+               path->reada = 2;
+               path->search_commit_root = 1;
+       }
+
        key.objectid = BTRFS_EXTENT_CSUM_OBJECTID;
        key.offset = start;
        key.type = BTRFS_EXTENT_CSUM_KEY;