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-rw-r--r--fs/btrfs/disk-io.c3
-rw-r--r--fs/btrfs/extent-tree.c4
2 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c658397c7473..3a9b88759880 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2317,6 +2317,9 @@ int close_ctree(struct btrfs_root *root)
printk(KERN_ERR "btrfs: commit super ret %d\n", ret);
}
+ fs_info->closing = 2;
+ smp_mb();
+
if (fs_info->delalloc_bytes) {
printk(KERN_INFO "btrfs: at unmount delalloc count %llu\n",
(unsigned long long)fs_info->delalloc_bytes);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 08188f1615d9..fadf69a2764b 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -288,8 +288,10 @@ again:
while (1) {
smp_mb();
- if (block_group->fs_info->closing)
+ if (block_group->fs_info->closing > 1) {
+ last = (u64)-1;
break;
+ }
leaf = path->nodes[0];
slot = path->slots[0];