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authorEric Paris <eparis@redhat.com>2010-02-23 22:43:04 +0300
committerChris Mason <chris.mason@oracle.com>2010-03-09 00:26:50 +0300
commit6bef4d317193d3badbbfa3f3c593758ace84a629 (patch)
tree8aa9fcf3297c69033b9a9a83a27ecccaab0f9d7d /fs/btrfs/ordered-data.h
parent3f6fae9559225741c91f1320090b285da1413290 (diff)
downloadlinux-6bef4d317193d3badbbfa3f3c593758ace84a629.tar.xz
Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL
btrfs inialize rb trees in quite a number of places by settin rb_node = NULL; The problem with this is that 17d9ddc72fb8bba0d4f678 in the linux-next tree adds a new field to that struct which needs to be NULL for the new rbtree library code to work properly. This patch uses RB_ROOT as the intializer so all of the relevant fields will be NULL'd. Without the patch I get a panic. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ordered-data.h')
-rw-r--r--fs/btrfs/ordered-data.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 1fe1282ef47c..9116c6d0c5a9 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -129,7 +129,7 @@ static inline void
btrfs_ordered_inode_tree_init(struct btrfs_ordered_inode_tree *t)
{
mutex_init(&t->mutex);
- t->tree.rb_node = NULL;
+ t->tree = RB_ROOT;
t->last = NULL;
}