Btrfs: Always use the async submission queue for checksummed writes

This avoids IO stalls and poorly ordered IO from inline writers mixing in
with the async submission queue

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index d8a256d3c83a..016c0c0226ed 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -434,13 +434,6 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
 {
         struct async_submit_bio *async;
 
-        /*
-         * inline writerback should stay inline, only hop to the async
-         * queue if we're pdflush
-         */
-        if (!current_is_pdflush())
-                return submit_bio_hook(inode, rw, bio, mirror_num);
-
         async = kmalloc(sizeof(*async), GFP_NOFS);
         if (!async)
                 return -ENOMEM;