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Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 9818285dface..ae94be318a0f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2220,6 +2220,12 @@ static noinline int check_delayed_ref(struct btrfs_root *root, } if (!mutex_trylock(&head->mutex)) { + if (path->nowait) { + spin_unlock(&delayed_refs->lock); + btrfs_put_transaction(cur_trans); + return -EAGAIN; + } + refcount_inc(&head->refs); spin_unlock(&delayed_refs->lock); |