This patch adds the check on the return value of extent_io_ops. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> --- fs/btrfs/extent_io.c | 16 ++++++++++------ 1 files changed, 10 insertions(+), 6 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index fcf77e1..a84621f 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2154,9 +2154,10 @@ static int bio_readpage_error(struct bio *failed_bio, struct page *page, "this_mirror=%d, num_copies=%d, in_validation=%d\n", read_mode, failrec->this_mirror, num_copies, failrec->in_validation); - tree->ops->submit_bio_hook(inode, read_mode, bio, failrec->this_mirror, - failrec->bio_flags, 0); - return 0; + ret = tree->ops->submit_bio_hook(inode, read_mode, bio, + failrec->this_mirror, + failrec->bio_flags, 0); + return ret; } /* lots and lots of room for performance fixes in the end_bio funcs */ @@ -2779,9 +2780,12 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc, delalloc_start = delalloc_end + 1; continue; } - tree->ops->fill_delalloc(inode, page, delalloc_start, - delalloc_end, &page_started, - &nr_written); + ret = tree->ops->fill_delalloc(inode, page, + delalloc_start, + delalloc_end, + &page_started, + &nr_written); + BUG_ON(ret); /* * delalloc_end is already one less than the total * length, so we don''t subtract one from -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html