* [PATCH] nfsroot: set tcp as the defalut transport protocol
@ 2020-03-25 3:50 Song liwei
0 siblings, 0 replies; only message in thread
From: Song liwei @ 2020-03-25 3:50 UTC (permalink / raw)
To: Trond, Anna; +Cc: Olga, linux-nfs, linux-kernel, LiweiSong
From: Liwei Song <liwei.song@windriver.com>
UDP is disabled by default in commit b24ee6c64ca7 ("NFS: allow
deprecation of NFS UDP protocol"), but the default mount options
is still udp, change it to tcp to avoid the "Unsupported transport
protocol udp" error if no protocol is specified when mount nfs.
Fixes: b24ee6c64ca7 ("NFS: allow deprecation of NFS UDP protocol")
Signed-off-by: Liwei Song <liwei.song@windriver.com>
---
fs/nfs/nfsroot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index effaa4247b91..8d3278805602 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -88,7 +88,7 @@
#define NFS_ROOT "/tftpboot/%s"
/* Default NFSROOT mount options. */
-#define NFS_DEF_OPTIONS "vers=2,udp,rsize=4096,wsize=4096"
+#define NFS_DEF_OPTIONS "vers=2,tcp,rsize=4096,wsize=4096"
/* Parameters passed from the kernel command line */
static char nfs_root_parms[NFS_MAXPATHLEN + 1] __initdata = "";
--
2.17.1
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