From c309df07868baa8b05d2a70637096465746fdbb5 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Thu, 26 May 2011 17:43:59 -0400 Subject: [PATCH] Btrfs: return -ENOMEM in clear_extent_bit The btrfs releasepage function depends on ENOMEM coming back when it is called atomic. Signed-off-by: Chris Mason --- fs/btrfs/extent_io.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index a90c4a12556b..0e0fe0f6ec75 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -485,7 +485,8 @@ int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, again: if (!prealloc && (mask & __GFP_WAIT)) { prealloc = alloc_extent_state(mask); - BUG_ON(!prealloc); + if (!prealloc) + return -ENOMEM; } spin_lock(&tree->lock); -- 2.20.1