For "-t nfs -o vers=4" mounts, we want to skip v2/v3 version/transport
negotiation, but be sure to append the "clientaddr" option.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
utils/mount/network.c | 2 +-
utils/mount/network.h | 1 +
utils/mount/stropts.c | 10 ++++++++--
3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/utils/mount/network.c b/utils/mount/network.c
index 420e15a..bd621be 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -1204,7 +1204,7 @@ nfs_nfs_program(struct mount_options *options, unsigned long *program)
* Returns TRUE if @version contains a valid value for this option,
* or FALSE if the option was specified with an invalid value.
*/
-static int
+int
nfs_nfs_version(struct mount_options *options, unsigned long *version)
{
long tmp;
diff --git a/utils/mount/network.h b/utils/mount/network.h
index db5134c..402e0a5 100644
--- a/utils/mount/network.h
+++ b/utils/mount/network.h
@@ -56,6 +56,7 @@ int clnt_ping(struct sockaddr_in *, const unsigned long,
struct mount_options;
+int nfs_nfs_version(struct mount_options *options, unsigned long *version);
int nfs_options2pmap(struct mount_options *,
struct pmap *, struct pmap *);
diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
index a12ace7..3eb661e 100644
--- a/utils/mount/stropts.c
+++ b/utils/mount/stropts.c
@@ -84,6 +84,7 @@ struct nfsmount_info {
struct mount_options *options; /* parsed mount options */
char **extra_opts; /* string for /etc/mtab */
+ unsigned long version; /* NFS version */
int flags, /* MS_ flags */
fake, /* actually do the mount? */
child; /* forked bg child? */
@@ -272,7 +273,12 @@ static int nfs_validate_options(struct nfsmount_info *mi)
if (!nfs_name_to_address(mi->hostname, sap, &salen))
return 0;
- if (strncmp(mi->type, "nfs4", 4) == 0) {
+ if (!nfs_nfs_version(mi->options, &mi->version))
+ return 0;
+ if (strncmp(mi->type, "nfs4", 4) == 0)
+ mi->version = 4;
+
+ if (mi->version == 4) {
if (!nfs_append_clientaddr_option(sap, salen, mi->options))
return 0;
} else {
@@ -488,7 +494,7 @@ static int nfs_try_mount(struct nfsmount_info *mi)
char *options = NULL;
int result;
- if (strncmp(mi->type, "nfs4", 4) != 0) {
+ if (mi->version != 4) {
if (!nfs_rewrite_pmap_mount_options(mi->options))
return 0;
}
--
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