diff options
| -rw-r--r-- | fs/btrfs/inode.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index abc0fd162f6c..dda181098b4c 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1649,6 +1649,15 @@ next_slot: goto out_check; if (extent_type == BTRFS_FILE_EXTENT_REG && !force) goto out_check; + + /* + * The following checks can be expensive, as they need to + * take other locks and do btree or rbtree searches, so + * release the path to avoid blocking other tasks for too + * long. + */ + btrfs_release_path(path); + /* If extent is RO, we must COW it */ if (btrfs_extent_readonly(fs_info, disk_bytenr)) goto out_check; @@ -1724,12 +1733,12 @@ out_check: cur_offset = extent_end; if (cur_offset > end) break; + if (!path->nodes[0]) + continue; path->slots[0]++; goto next_slot; } - btrfs_release_path(path); - /* * COW range from cow_start to found_key.offset - 1. As the key * will contain the beginning of the first extent that can be |