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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
wifi-calibration
Linus Torvalds 2008-10-20 09:39:20 -07:00
parent 3b72e44154 ec9a05c94c
commit 52c6738b7f
4 changed files with 27 additions and 10 deletions
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19
fs/nfs/callback.c
View File

@ -40,6 +40,16 @@ unsigned short nfs_callback_tcpport;
static const int nfs_set_port_min = 0;
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)
{
char *endp;
@ -106,7 +116,7 @@ int nfs_callback_up(void)
if (nfs_callback_info.users++ || nfs_callback_info.task != NULL)
goto out;
serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE,
AF_INET, NULL);
nfs_callback_family, NULL);
ret = -ENOMEM;
if (!serv)
goto out_err;
@ -116,7 +126,8 @@ int nfs_callback_up(void)
if (ret <= 0)
goto out_err;
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]);
if (IS_ERR(nfs_callback_info.rqst)) {
@ -149,8 +160,8 @@ out:
mutex_unlock(&nfs_callback_mutex);
return ret;
out_err:
dprintk("Couldn't create callback socket or server thread; err = %d\n",
ret);
dprintk("NFS: Couldn't create callback socket or server thread; "
"err = %d\n", ret);
nfs_callback_info.users--;
goto out;
}

6
fs/nfs/nfs4proc.c
View File

@ -1659,8 +1659,10 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
struct nfs_open_context *ctx;
ctx = nfs_file_open_context(sattr->ia_file);
cred = ctx->cred;
state = ctx->state;
if (ctx) {
cred = ctx->cred;
state = ctx->state;
}
}
status = nfs4_do_setattr(inode, cred, fattr, sattr, state);

4
fs/nfs/super.c
View File

@ -2459,7 +2459,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
compare_super = NULL;
/* 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)) {
error = PTR_ERR(s);
goto out_err_nosb;
@ -2544,7 +2544,7 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags,
compare_super = NULL;
/* 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)) {
error = PTR_ERR(s);
goto out_err_nosb;

8
include/linux/nfs_fs.h
View File

@ -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)
{
if (file != NULL)
return nfs_file_open_context(file)->cred;
if (file != NULL) {
struct nfs_open_context *ctx =
nfs_file_open_context(file);
if (ctx)
return ctx->cred;
}
return NULL;
}