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 --- fs/nfs/inode.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/nfs/inode.c') diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 109279d6d91b..34d9ebbc0dfd 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -2016,6 +2016,7 @@ static void init_once(void *foo) nfsi->commit_info.ncommit = 0; atomic_set(&nfsi->commit_info.rpcs_out, 0); init_rwsem(&nfsi->rmdir_sem); + mutex_init(&nfsi->commit_mutex); nfs4_init_once(nfsi); } -- cgit