btrfs: remove the incorrect comment on RO fs when btrfs_run_delalloc_range() fails

At the context of btrfs_run_delalloc_range(), we haven't started/joined
a transaction, thus even something went wrong, we can't and won't abort
transaction, thus no way to make the fs RO.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 441f6c47cebdad8b6c776fd41d556b17fe3b1ccc..dd3f659f223ee233bee95087cdb8e0acaabeb170 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3310,7 +3310,6 @@ static noinline_for_stack int writepage_delalloc(struct inode *inode,
                }
                ret = btrfs_run_delalloc_range(inode, page, delalloc_start,
                                delalloc_end, &page_started, nr_written, wbc);
-               /* File system has been set read-only */
                if (ret) {
                        SetPageError(page);
                        /*