lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

NFSv4: Allow user to set the port used by the NFSv4 callback channel

Browse Source 
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2006-01-03 09:55:41 +01:00
parent a895b4a198
commit a72b44222d
7 changed files with 128 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
fs/nfs/inode.c
View File

@@ -40,6 +40,7 @@
#include <asm/uaccess.h>
#include "nfs4_fs.h"
#include "callback.h"
#include "delegation.h"
#define NFSDBG_FACILITY NFSDBG_VFS
@@ -2036,6 +2037,21 @@ static struct file_system_type nfs4_fs_type = {
.fs_flags = FS_ODD_RENAME|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
};
static const int nfs_set_port_min = 0;
static const int nfs_set_port_max = 65535;
static int param_set_port(const char *val, struct kernel_param *kp)
{
char *endp;
int num = simple_strtol(val, &endp, 0);
if (endp == val || *endp || num < nfs_set_port_min || num > nfs_set_port_max)
return -EINVAL;
*((int *)kp->arg) = num;
return 0;
}
module_param_call(callback_tcpport, param_set_port, param_get_int,
&nfs_callback_set_tcpport, 0644);
#define nfs4_init_once(nfsi) \
do { \
INIT_LIST_HEAD(&(nfsi)->open_states); \
@@ -2043,8 +2059,25 @@ static struct file_system_type nfs4_fs_type = {
nfsi->delegation_state = 0; \
init_rwsem(&nfsi->rwsem); \
} while(0)
#define register_nfs4fs() register_filesystem(&nfs4_fs_type)
#define unregister_nfs4fs() unregister_filesystem(&nfs4_fs_type)
static inline int register_nfs4fs(void)
{
int ret;
ret = nfs_register_sysctl();
if (ret != 0)
return ret;
ret = register_filesystem(&nfs4_fs_type);
if (ret != 0)
nfs_unregister_sysctl();
return ret;
}
static inline void unregister_nfs4fs(void)
{
unregister_filesystem(&nfs4_fs_type);
nfs_unregister_sysctl();
}
#else
#define nfs4_init_once(nfsi) \
do { } while (0)