#include "parse_opt.h"
#include "version.h"
#include "parse_dev.h"
+#include "conffile.h"
#ifndef NFS_PROGRAM
#define NFS_PROGRAM (100003)
child; /* forked bg child? */
};
+inline void set_default_version(struct nfsmount_info *mi);
+#ifdef MOUNT_CONFIG
+inline void set_default_version(struct nfsmount_info *mi)
+{
+ extern unsigned long config_default_vers;
+ /*
+ * Use the default value set in the config file when
+ * the version has not been explicitly set.
+ */
+ if (mi->version == 0 && config_default_vers) {
+ if (config_default_vers < 4)
+ mi->version = config_default_vers;
+ }
+}
+#else
+inline void set_default_version(struct nfsmount_info *mi) {}
+#endif /* MOUNT_CONFIG */
+
/*
* Obtain a retry timeout value based on the value of the "retry=" option.
*
return 0;
return 1;
}
-
/*
* Set up mandatory non-version specific NFS mount options.
*
return 0;
if (strncmp(mi->type, "nfs4", 4) == 0)
mi->version = 4;
+ else {
+ char *option = po_get(mi->options, "proto");
+ if (option && strcmp(option, "rdma") == 0)
+ mi->version = 3;
+ }
+
+ /*
+ * If enabled, see if the default version was
+ * set in the config file
+ */
+ set_default_version(mi);
if (!nfs_append_sloppy_option(mi->options))
return 0;
return result;
}
+ if (mi->version == 0) {
+ if (po_append(options, "vers=4") == PO_FAILED) {
+ errno = EINVAL;
+ goto out_fail;
+ }
+ }
+
if (!nfs_append_clientaddr_option(sap, mi->salen, options)) {
errno = EINVAL;
goto out_fail;
}
-
/*
* Update option string to be recorded in /etc/mtab.
*/
switch (mi->version) {
case 0:
+ if (linux_version_code() > MAKE_VERSION(2, 6, 31)) {
+ errno = 0;
+ result = nfs_try_mount_v4(mi);
+ if (errno != EPROTONOSUPPORT)
+ break;
+ }
case 2:
case 3:
result = nfs_try_mount_v3v2(mi);