nfsroot: Default mount option should ask for built-in NFS version (3fc2bfa3) · Commits · 戴 / test

Change the nfsroot default mount option to ask for NFSv2 only *if* the kernel was built with NFSv2 support. If not, default to NFSv3 or as last choice to NFSv4, depending on actual kernel config. Signed-off-by:

Helge Deller <deller@gmx.de> Signed-off-by:

Anna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/nfsroot.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -88,7 +88,13 @@
		#define NFS_ROOT "/tftpboot/%s"

		/* Default NFSROOT mount options. */
		#if defined(CONFIG_NFS_V2)
		#define NFS_DEF_OPTIONS "vers=2,tcp,rsize=4096,wsize=4096"
		#elif defined(CONFIG_NFS_V3)
		#define NFS_DEF_OPTIONS "vers=3,tcp,rsize=4096,wsize=4096"
		#else
		#define NFS_DEF_OPTIONS "vers=4,tcp,rsize=4096,wsize=4096"
		#endif

		/* Parameters passed from the kernel command line */
		static char nfs_root_parms[NFS_MAXPATHLEN + 1] __initdata = "";

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