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Subject[PATCH 32/52] CRED: Give the symlink() inode op a credentials pointer
Date
Give the symlink() inode op a credentials pointer.

Signed-off-by: David Howells <dhowells@redhat.com>
---
fs/afs/dir.c | 4 ++--
fs/autofs4/root.c | 6 ++++--
fs/bad_inode.c | 2 +-
fs/ext3/namei.c | 3 +--
fs/namei.c | 3 ++-
fs/nfs/dir.c | 7 ++++---
fs/ramfs/inode.c | 4 ++--
include/linux/fs.h | 3 ++-
mm/shmem.c | 4 ++--
9 files changed, 20 insertions(+), 16 deletions(-)
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 5f4ac2e..745c8cb 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -39,7 +39,7 @@ static int afs_unlink(struct inode *dir, struct dentry *dentry,
static int afs_link(struct dentry *from, struct inode *dir,
struct dentry *dentry, struct cred *cred);
static int afs_symlink(struct inode *dir, struct dentry *dentry,
- const char *content);
+ const char *content, struct cred *cred);
static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
struct cred *cred);
@@ -1030,7 +1030,7 @@ error:
* create a symlink in an AFS filesystem
*/
static int afs_symlink(struct inode *dir, struct dentry *dentry,
- const char *content)
+ const char *content, struct cred *cred)
{
struct afs_file_status status;
struct afs_server *server;
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 1743d38..50c0ec7 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -19,7 +19,8 @@
#include <linux/time.h>
#include "autofs_i.h"

-static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *);
+static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *,
+ struct cred *);
static int autofs4_dir_unlink(struct inode *,struct dentry *, struct cred *);
static int autofs4_dir_rmdir(struct inode *,struct dentry *, struct cred *);
static int autofs4_dir_mkdir(struct inode *,struct dentry *,int, struct cred *);
@@ -690,7 +691,8 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s

static int autofs4_dir_symlink(struct inode *dir,
struct dentry *dentry,
- const char *symname)
+ const char *symname,
+ struct cred *cred)
{
struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 2511f29..2e25bfe 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -210,7 +210,7 @@ static int bad_inode_unlink(struct inode *dir, struct dentry *dentry,
}

static int bad_inode_symlink (struct inode *dir, struct dentry *dentry,
- const char *symname)
+ const char *symname, struct cred *cred)
{
return -EIO;
}
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index d682786..cd0fcde 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2196,9 +2196,8 @@ end_unlink:
}

static int ext3_symlink (struct inode * dir,
- struct dentry *dentry, const char * symname)
+ struct dentry *dentry, const char * symname, struct cred *cred)
{
- struct cred *cred = current->cred;
handle_t *handle;
struct inode * inode;
int l, err, retries = 0;
diff --git a/fs/namei.c b/fs/namei.c
index 4af97fd..9439e6e 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2239,6 +2239,7 @@ asmlinkage long sys_unlink(const char __user *pathname)

int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname, int mode)
{
+ struct cred *cred = current->cred;
int error = may_create(dir, dentry, NULL);

if (error)
@@ -2252,7 +2253,7 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname, i
return error;

DQUOT_INIT(dir);
- error = dir->i_op->symlink(dir, dentry, oldname);
+ error = dir->i_op->symlink(dir, dentry, oldname, cred);
if (!error)
fsnotify_create(dir, dentry);
return error;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 18cea2c..0dda7bb 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -49,7 +49,8 @@ static int nfs_create(struct inode *, struct dentry *, int, struct nameidata *,
static int nfs_mkdir(struct inode *, struct dentry *, int, struct cred *);
static int nfs_rmdir(struct inode *, struct dentry *, struct cred *);
static int nfs_unlink(struct inode *, struct dentry *, struct cred *);
-static int nfs_symlink(struct inode *, struct dentry *, const char *);
+static int nfs_symlink(struct inode *, struct dentry *, const char *,
+ struct cred *);
static int nfs_link(struct dentry *, struct inode *, struct dentry *,
struct cred *);
static int nfs_mknod(struct inode *, struct dentry *, int, dev_t,
@@ -1539,9 +1540,9 @@ static int nfs_unlink(struct inode *dir, struct dentry *dentry,
* now have a new file handle and can instantiate an in-core NFS inode
* and move the raw page into its mapping.
*/
-static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
+static int nfs_symlink(struct inode *dir, struct dentry *dentry,
+ const char *symname, struct cred *acred)
{
- struct cred *acred = current->cred;
struct pagevec lru_pvec;
struct page *page;
char *kaddr;
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index 53e917c..9903253 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -126,9 +126,9 @@ static int ramfs_create(struct inode *dir, struct dentry *dentry, int mode,
return ramfs_mknod(dir, dentry, mode | S_IFREG, 0, cred);
}

-static int ramfs_symlink(struct inode * dir, struct dentry *dentry, const char * symname)
+static int ramfs_symlink(struct inode * dir, struct dentry *dentry,
+ const char * symname, struct cred *cred)
{
- struct cred *cred = current->cred;
struct inode *inode;
int error = -ENOSPC;

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7fe8921..e321a7c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1141,7 +1141,8 @@ struct inode_operations {
int (*link) (struct dentry *,struct inode *,struct dentry *,
struct cred *);
int (*unlink) (struct inode *,struct dentry *, struct cred *);
- int (*symlink) (struct inode *,struct dentry *,const char *);
+ int (*symlink) (struct inode *,struct dentry *,const char *,
+ struct cred *);
int (*mkdir) (struct inode *,struct dentry *,int, struct cred *);
int (*rmdir) (struct inode *,struct dentry *, struct cred *);
int (*mknod) (struct inode *,struct dentry *,int,dev_t, struct cred *);
diff --git a/mm/shmem.c b/mm/shmem.c
index 9d2ebe2..fc834e7 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1855,9 +1855,9 @@ static int shmem_rename(struct inode *old_dir, struct dentry *old_dentry,
return 0;
}

-static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
+static int shmem_symlink(struct inode *dir, struct dentry *dentry,
+ const char *symname, struct cred *cred)
{
- struct cred *cred = current->cred;
int error;
int len;
struct inode *inode;
-
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