diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/extent_io.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 6f5563ca70c1..2c86c472f670 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4164,6 +4164,14 @@ retry: */ scanned = 1; index = 0; + + /* + * 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. + */ + flush_write_bio(data); goto retry; } btrfs_add_delayed_iput(inode); |