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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 09:39:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 09:39:20 -0700
commit52c6738b7f46255217942062dfa60daa7cf72510 (patch)
tree9fa9fcdef7b44f6d71e5bb5de0e248a368808cc1 /fs/nfs
parent3b72e4415438538c0967fd1aee930f688ccdf6dd (diff)
parentec9a05c94c7cd00b4f0ab126c3d394f2fc2e4712 (diff)
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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
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/callback.c19
-rw-r--r--fs/nfs/nfs4proc.c6
-rw-r--r--fs/nfs/super.c4
3 files changed, 21 insertions, 8 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 6a09760c596..c2e9cfd9e5a 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -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;
}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index c910413eaec..83e700a2b0c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -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);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 8b28b95c9e4..a3b0061dfd4 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -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;