We get lock inversion with umount if we allow iputs from sync_fs, so use the delay iput flag to keep this from happening. Thanks, Reported-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com> --- fs/btrfs/super.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 41d81be..14d2be0 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -862,7 +862,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait) return 0; } - btrfs_wait_all_ordered_extents(fs_info, 0); + btrfs_wait_all_ordered_extents(fs_info, 1); trans = btrfs_attach_transaction_barrier(root); if (IS_ERR(trans)) { -- 1.7.7.6 -- 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