diff options
| -rw-r--r-- | fs/btrfs/extent_io.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index e2d30287e2d5..8ff17bc30d5a 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4166,7 +4166,16 @@ retry: */ scanned = 1; index = 0; - goto retry; + + /* + * If we're looping we could run into a page that is locked by a + * writer and that writer could be waiting on writeback for a + * page in our current bio, and thus deadlock, so flush the + * write bio here. + */ + ret = flush_write_bio(epd); + if (!ret) + goto retry; } if (wbc->range_cyclic || (wbc->nr_to_write > 0 && range_whole)) |