diff options
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b437d3bdf95..1bf37d15b17 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -172,6 +172,7 @@ static int run_delalloc_nocow(struct inode *inode, u64 start, u64 end) u64 loops = 0; u64 total_fs_bytes; struct btrfs_root *root = BTRFS_I(inode)->root; + struct btrfs_block_group_cache *block_group; struct extent_buffer *leaf; int found_type; struct btrfs_path *path; @@ -230,16 +231,20 @@ again: if (bytenr == 0) goto not_found; + if (btrfs_count_snapshots_in_path(root, path, inode->i_ino, + bytenr) != 1) { + goto not_found; + } + /* * we may be called by the resizer, make sure we're inside * the limits of the FS */ - if (bytenr + extent_num_bytes > total_fs_bytes) + block_group = btrfs_lookup_block_group(root->fs_info, + bytenr); + if (!block_group || block_group->ro) goto not_found; - if (btrfs_count_snapshots_in_path(root, path, bytenr) != 1) { - goto not_found; - } start = extent_end; } else { |