Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Completely minor snmp doc conflict.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 8da2f380d3c0..6a2a2a951705 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1682,6 +1682,8 @@ static int cleaner_kthread(void *arg)
         while (1) {
                 again = 0;
 
+                set_bit(BTRFS_FS_CLEANER_RUNNING, &fs_info->flags);
+
                 /* Make the cleaner go to sleep early. */
                 if (btrfs_need_cleaner_sleep(fs_info))
                         goto sleep;
@@ -1728,6 +1730,7 @@ static int cleaner_kthread(void *arg)
                  */
                 btrfs_delete_unused_bgs(fs_info);
 sleep:
+                clear_bit(BTRFS_FS_CLEANER_RUNNING, &fs_info->flags);
                 if (kthread_should_park())
                         kthread_parkme();
                 if (kthread_should_stop())
@@ -4201,6 +4204,14 @@ static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info)
                 spin_lock(&fs_info->ordered_root_lock);
         }
         spin_unlock(&fs_info->ordered_root_lock);
+
+        /*
+         * We need this here because if we've been flipped read-only we won't
+         * get sync() from the umount, so we need to make sure any ordered
+         * extents that haven't had their dirty pages IO start writeout yet
+         * actually get run and error out properly.
+         */
+        btrfs_wait_ordered_roots(fs_info, U64_MAX, 0, (u64)-1);
 }
 
 static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
@@ -4265,6 +4276,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
                 if (pin_bytes)
                         btrfs_pin_extent(fs_info, head->bytenr,
                                          head->num_bytes, 1);
+                btrfs_cleanup_ref_head_accounting(fs_info, delayed_refs, head);
                 btrfs_put_delayed_ref_head(head);
                 cond_resched();
                 spin_lock(&delayed_refs->lock);