diff mbox series

[v3,3/4] erofs: relinquish volume with mutex held

Message ID 20230209063913.46341-4-jefflexu@linux.alibaba.com
State New
Headers
Series erofs: cleanup for fscache share domain mode |

Commit Message

Jingbo Xu Feb. 9, 2023, 6:39 a.m. UTC 
  Relinquish fscache volume with mutex held.  Otherwise if a new domain is
registered when the old domain with the same name gets removed from the
list but not relinquished yet, fscache may complain the collision.

Fixes: 8b7adf1dff3d ("erofs: introduce fscache-based domain")
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com>
---
 fs/erofs/fscache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index a302d6d23ab5..c6f09928b62c 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -326,8 +326,8 @@  static void erofs_fscache_domain_put(struct erofs_domain *domain)
 			kern_unmount(erofs_pseudo_mnt);
 			erofs_pseudo_mnt = NULL;
 		}
-		mutex_unlock(&erofs_domain_list_lock);
 		fscache_relinquish_volume(domain->volume, NULL, false);
+		mutex_unlock(&erofs_domain_list_lock);
 		kfree(domain->domain_id);
 		kfree(domain);
 		return;