From 180589efde8a01b4a30af273f670ac81c8abf9c5 Mon Sep 17 00:00:00 2001 From: Wang Shilong Date: Sat, 14 Dec 2013 15:27:31 +0800 Subject: [PATCH] Btrfs: fix a warning when iput a file See the warning below: [ 1209.102076] [] remove_extent_mapping+0x69/0x70 [btrfs] [ 1209.102084] [] btrfs_evict_inode+0x96/0x4d0 [btrfs] [ 1209.102089] [] ? wake_atomic_t_function+0x40/0x40 [ 1209.102092] [] evict+0x9e/0x190 [ 1209.102094] [] iput+0xf3/0x180 [ 1209.102101] [] btrfs_run_delayed_iputs+0xb1/0xd0 [btrfs] [ 1209.102107] [] __btrfs_end_transaction+0x268/0x350 [btrfs] clear extent bit here to avoid triggering WARN_ON() in remove_extent_mapping() Signed-off-by: Wang Shilong Signed-off-by: Josef Bacik Signed-off-by: Chris Mason --- fs/btrfs/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b3b3142f1734..2ccf8e6b1e16 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4509,6 +4509,8 @@ static void evict_inode_truncate_pages(struct inode *inode) node = rb_first(&map_tree->map); em = rb_entry(node, struct extent_map, rb_node); + clear_bit(EXTENT_FLAG_PINNED, &em->flags); + clear_bit(EXTENT_FLAG_LOGGING, &em->flags); remove_extent_mapping(map_tree, em); free_extent_map(em); } -- 2.20.1