summaryrefslogtreecommitdiff
path: root/cmds-check.c
diff options
context:
space:
mode:
Diffstat (limited to 'cmds-check.c')
-rw-r--r--cmds-check.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/cmds-check.c b/cmds-check.c
index 23dbd0a0..afdd044d 100644
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -6121,6 +6121,15 @@ static int pin_down_tree_blocks(struct btrfs_fs_info *fs_info,
int ret;
int i;
+ /*
+ * If we have pinned this block before, don't pin it again.
+ * This can not only avoid forever loop with broken filesystem
+ * but also give us some speedups.
+ */
+ if (test_range_bit(&fs_info->pinned_extents, eb->start,
+ eb->start + eb->len - 1, EXTENT_DIRTY, 0))
+ return 0;
+
btrfs_pin_extent(fs_info, eb->start, eb->len);
leafsize = btrfs_super_leafsize(fs_info->super_copy);