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Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/callback.c19
-rw-r--r--fs/nfs/dir.c11
-rw-r--r--fs/nfs/getroot.c14
-rw-r--r--fs/nfs/nfs4proc.c6
-rw-r--r--fs/nfs/super.c4
5 files changed, 33 insertions, 21 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/dir.c b/fs/nfs/dir.c
index 2ab70d46ecb..3e64b98f3a9 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -707,9 +707,7 @@ static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd)
{
if (NFS_PROTO(dir)->version == 2)
return 0;
- if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_CREATE) == 0)
- return 0;
- return (nd->intent.open.flags & O_EXCL) != 0;
+ return nd && nfs_lookup_check_intent(nd, LOOKUP_EXCL);
}
/*
@@ -1009,7 +1007,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
/* Let vfs_create() deal with O_EXCL. Instantiate, but don't hash
* the dentry. */
- if (nd->intent.open.flags & O_EXCL) {
+ if (nd->flags & LOOKUP_EXCL) {
d_instantiate(dentry, NULL);
goto out;
}
@@ -1517,7 +1515,7 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym
if (!add_to_page_cache(page, dentry->d_inode->i_mapping, 0,
GFP_KERNEL)) {
pagevec_add(&lru_pvec, page);
- pagevec_lru_add(&lru_pvec);
+ pagevec_lru_add_file(&lru_pvec);
SetPageUptodate(page);
unlock_page(page);
} else
@@ -1959,6 +1957,9 @@ force_lookup:
} else
res = PTR_ERR(cred);
out:
+ if (!res && (mask & MAY_EXEC) && !execute_ok(inode))
+ res = -EACCES;
+
dfprintk(VFS, "NFS: permission(%s/%ld), mask=0x%x, res=%d\n",
inode->i_sb->s_id, inode->i_ino, mask, res);
return res;
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index fae97196daa..b7c9b2df1f2 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -107,11 +107,10 @@ struct dentry *nfs_get_root(struct super_block *sb, struct nfs_fh *mntfh)
* if the dentry tree reaches them; however if the dentry already
* exists, we'll pick it up at this point and use it as the root
*/
- mntroot = d_alloc_anon(inode);
- if (!mntroot) {
- iput(inode);
+ mntroot = d_obtain_alias(inode);
+ if (IS_ERR(mntroot)) {
dprintk("nfs_get_root: get root dentry failed\n");
- return ERR_PTR(-ENOMEM);
+ return mntroot;
}
security_d_instantiate(mntroot, inode);
@@ -277,11 +276,10 @@ struct dentry *nfs4_get_root(struct super_block *sb, struct nfs_fh *mntfh)
* if the dentry tree reaches them; however if the dentry already
* exists, we'll pick it up at this point and use it as the root
*/
- mntroot = d_alloc_anon(inode);
- if (!mntroot) {
- iput(inode);
+ mntroot = d_obtain_alias(inode);
+ if (IS_ERR(mntroot)) {
dprintk("nfs_get_root: get root dentry failed\n");
- return ERR_PTR(-ENOMEM);
+ return mntroot;
}
security_d_instantiate(mntroot, inode);
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 06:33:53 +0000