On 18.04.2012 08:59, Dan Carpenter wrote:
> The caller expects this function to return with the lock held and
> releases it immediately on error.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
> index 2b35f8d..a0bb9dc 100644
> --- a/fs/btrfs/extent-tree.c
> +++ b/fs/btrfs/extent-tree.c
> @@ -2301,6 +2301,7 @@ static noinline int run_clustered_refs(struct
btrfs_trans_handle *trans,
>
> if (ret) {
> printk(KERN_DEBUG "btrfs: run_delayed_extent_op returned %d\n",
ret);
> + spin_lock(&delayed_refs->lock);
> return ret;
> }
>
> @@ -2331,6 +2332,7 @@ static noinline int run_clustered_refs(struct
btrfs_trans_handle *trans,
>
> if (ret) {
> printk(KERN_DEBUG "btrfs: run_one_delayed_ref returned %d\n", ret);
> + spin_lock(&delayed_refs->lock);
> return ret;
> }
I think the correct way to fix this is:
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a844204..9af261a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2450,7 +2450,6 @@ again:
ret = run_clustered_refs(trans, root, &cluster);
if (ret < 0) {
- spin_unlock(&delayed_refs->lock);
btrfs_abort_transaction(trans, root, ret);
return ret;
}
-Jan
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