2024-01-25 05:54:30

by Chen Hanxiao

[permalink] [raw]
Subject: [PATCH] NFS: Display the "fsc=" mount option if it is set

With this patch, mount command will show fsc=xxx if set:

If -o fsc=6666
clientaddr=192.168.122.208,fsc=6666,local_lock=none

If only -o fsc
clientaddr=192.168.122.208,fsc,local_lock=none

Signed-off-by: Chen Hanxiao <[email protected]>
---
fs/nfs/super.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 075b31c93f87..dc03f98f7616 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -516,8 +516,16 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
else
nfs_show_nfsv4_options(m, nfss, showdefaults);

- if (nfss->options & NFS_OPTION_FSCACHE)
+ if (nfss->options & NFS_OPTION_FSCACHE) {
+#ifdef CONFIG_NFS_FSCACHE
+ if (nfss->fscache_uniq)
+ seq_printf(m, ",fsc=%s", nfss->fscache_uniq);
+ else
+ seq_puts(m, ",fsc");
+#else
seq_puts(m, ",fsc");
+#endif
+ }

if (nfss->options & NFS_OPTION_MIGRATION)
seq_puts(m, ",migration");
--
2.39.1