From 7c563cc9f3f4aca70c27bd08a135499227f67014 Mon Sep 17 00:00:00 2001 From: Suresh Jayaraman Date: Thu, 23 Sep 2010 14:26:48 -0400 Subject: [PATCH] nfs: show "local_lock" mount option in /proc/mounts Display the status of 'local_lock' mount option in /proc/mounts. Signed-off-by: Suresh Jayaraman Signed-off-by: Trond Myklebust --- fs/nfs/super.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2e866d86c22..50ed035cabc 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -632,6 +632,7 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, const struct proc_nfs_info *nfs_infop; struct nfs_client *clp = nfss->nfs_client; u32 version = clp->rpc_ops->version; + int local_flock, local_fcntl; seq_printf(m, ",vers=%u", version); seq_printf(m, ",rsize=%u", nfss->rsize); @@ -680,6 +681,18 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, else seq_printf(m, ",lookupcache=pos"); } + + local_flock = nfss->flags & NFS_MOUNT_LOCAL_FLOCK; + local_fcntl = nfss->flags & NFS_MOUNT_LOCAL_FCNTL; + + if (!local_flock && !local_fcntl) + seq_printf(m, ",local_lock=none"); + else if (local_flock && local_fcntl) + seq_printf(m, ",local_lock=all"); + else if (local_flock) + seq_printf(m, ",local_lock=flock"); + else + seq_printf(m, ",local_lock=posix"); } /* -- 2.46.0