From e824f99adaaf1ed0e03eac8574599af6d992163d Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 1 Aug 2017 11:53:49 -0400 Subject: NFSv4: Use a mutex to protect the per-inode commit lists The commit lists can get very large, so using the inode->i_lock can end up affecting general metadata performance. Signed-off-by: Trond Myklebust --- include/linux/nfs_fs.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 5cc91d6381a3..121a702888b4 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -163,6 +163,7 @@ struct nfs_inode { /* Readers: in-flight sillydelete RPC calls */ /* Writers: rmdir */ struct rw_semaphore rmdir_sem; + struct mutex commit_mutex; #if IS_ENABLED(CONFIG_NFS_V4) struct nfs4_cached_acl *nfs4_acl; -- cgit v1.2.3