Commit 52c6738b authored by Linus Torvalds's avatar Linus Torvalds

Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  NFS: use correct fs type for v4 submounts and referrals
  Make nfs_file_cred more robust.
  NFS: Enable NFSv4 callback server to listen on AF_INET6 sockets
parents 3b72e441 ec9a05c9
...@@ -40,6 +40,16 @@ unsigned short nfs_callback_tcpport; ...@@ -40,6 +40,16 @@ unsigned short nfs_callback_tcpport;
static const int nfs_set_port_min = 0; static const int nfs_set_port_min = 0;
static const int nfs_set_port_max = 65535; static const int nfs_set_port_max = 65535;
/*
* If the kernel has IPv6 support available, always listen for
* both AF_INET and AF_INET6 requests.
*/
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
static const sa_family_t nfs_callback_family = AF_INET6;
#else
static const sa_family_t nfs_callback_family = AF_INET;
#endif
static int param_set_port(const char *val, struct kernel_param *kp) static int param_set_port(const char *val, struct kernel_param *kp)
{ {
char *endp; char *endp;
...@@ -106,7 +116,7 @@ int nfs_callback_up(void) ...@@ -106,7 +116,7 @@ int nfs_callback_up(void)
if (nfs_callback_info.users++ || nfs_callback_info.task != NULL) if (nfs_callback_info.users++ || nfs_callback_info.task != NULL)
goto out; goto out;
serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE,
AF_INET, NULL); nfs_callback_family, NULL);
ret = -ENOMEM; ret = -ENOMEM;
if (!serv) if (!serv)
goto out_err; goto out_err;
...@@ -116,7 +126,8 @@ int nfs_callback_up(void) ...@@ -116,7 +126,8 @@ int nfs_callback_up(void)
if (ret <= 0) if (ret <= 0)
goto out_err; goto out_err;
nfs_callback_tcpport = ret; nfs_callback_tcpport = ret;
dprintk("Callback port = 0x%x\n", nfs_callback_tcpport); dprintk("NFS: Callback listener port = %u (af %u)\n",
nfs_callback_tcpport, nfs_callback_family);
nfs_callback_info.rqst = svc_prepare_thread(serv, &serv->sv_pools[0]); nfs_callback_info.rqst = svc_prepare_thread(serv, &serv->sv_pools[0]);
if (IS_ERR(nfs_callback_info.rqst)) { if (IS_ERR(nfs_callback_info.rqst)) {
...@@ -149,8 +160,8 @@ int nfs_callback_up(void) ...@@ -149,8 +160,8 @@ int nfs_callback_up(void)
mutex_unlock(&nfs_callback_mutex); mutex_unlock(&nfs_callback_mutex);
return ret; return ret;
out_err: out_err:
dprintk("Couldn't create callback socket or server thread; err = %d\n", dprintk("NFS: Couldn't create callback socket or server thread; "
ret); "err = %d\n", ret);
nfs_callback_info.users--; nfs_callback_info.users--;
goto out; goto out;
} }
......
...@@ -1659,8 +1659,10 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, ...@@ -1659,8 +1659,10 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
struct nfs_open_context *ctx; struct nfs_open_context *ctx;
ctx = nfs_file_open_context(sattr->ia_file); ctx = nfs_file_open_context(sattr->ia_file);
cred = ctx->cred; if (ctx) {
state = ctx->state; cred = ctx->cred;
state = ctx->state;
}
} }
status = nfs4_do_setattr(inode, cred, fattr, sattr, state); status = nfs4_do_setattr(inode, cred, fattr, sattr, state);
......
...@@ -2459,7 +2459,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, ...@@ -2459,7 +2459,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
compare_super = NULL; compare_super = NULL;
/* Get a superblock - note that we may end up sharing one that already exists */ /* Get a superblock - note that we may end up sharing one that already exists */
s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata); s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
if (IS_ERR(s)) { if (IS_ERR(s)) {
error = PTR_ERR(s); error = PTR_ERR(s);
goto out_err_nosb; goto out_err_nosb;
...@@ -2544,7 +2544,7 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags, ...@@ -2544,7 +2544,7 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags,
compare_super = NULL; compare_super = NULL;
/* Get a superblock - note that we may end up sharing one that already exists */ /* Get a superblock - note that we may end up sharing one that already exists */
s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata); s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
if (IS_ERR(s)) { if (IS_ERR(s)) {
error = PTR_ERR(s); error = PTR_ERR(s);
goto out_err_nosb; goto out_err_nosb;
......
...@@ -367,8 +367,12 @@ static inline struct nfs_open_context *nfs_file_open_context(struct file *filp) ...@@ -367,8 +367,12 @@ static inline struct nfs_open_context *nfs_file_open_context(struct file *filp)
static inline struct rpc_cred *nfs_file_cred(struct file *file) static inline struct rpc_cred *nfs_file_cred(struct file *file)
{ {
if (file != NULL) if (file != NULL) {
return nfs_file_open_context(file)->cred; struct nfs_open_context *ctx =
nfs_file_open_context(file);
if (ctx)
return ctx->cred;
}
return NULL; return NULL;
} }
......
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