The NFS_MOUNT_TCP flag needs to be correctly set in the nfs_server->flags
field, otherwise remount operations are likely to run afoul of the flags
check in nfs_compare_remount_data() on systems where /etc/mtab is
symlinked to /proc/mounts.
Signed-off-by: Scott Mayhew <smayhew@xxxxxxxxxx>
---
fs/nfs/super.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 2cb5694..0ae4e73 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2726,6 +2726,9 @@ static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *args)
{
args->flags &= ~(NFS_MOUNT_NONLM|NFS_MOUNT_NOACL|NFS_MOUNT_VER3|
NFS_MOUNT_LOCAL_FLOCK|NFS_MOUNT_LOCAL_FCNTL);
+
+ if (args->nfs_server.protocol == XPRT_TRANSPORT_TCP)
+ args->flags |= NFS_MOUNT_TCP;
}
/*
--
1.9.0
--
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