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Subject[PATCH 25/52] CRED: Give the mknod() inode op a credentials pointer
Date
Give the mknod() inode op a credentials pointer.

Signed-off-by: David Howells <dhowells@redhat.com>
---

fs/bad_inode.c | 2 +-
fs/ext2/namei.c | 4 ++--
fs/ext3/namei.c | 3 +--
fs/ext4/namei.c | 3 +--
fs/namei.c | 3 ++-
fs/nfs/dir.c | 7 ++++---
fs/ramfs/inode.c | 10 ++++++----
include/linux/fs.h | 2 +-
mm/shmem.c | 10 ++++++----
9 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index dda2d52..7df0a7c 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -226,7 +226,7 @@ static int bad_inode_rmdir (struct inode *dir, struct dentry *dentry)
}

static int bad_inode_mknod (struct inode *dir, struct dentry *dentry,
- int mode, dev_t rdev)
+ int mode, dev_t rdev, struct cred *cred)
{
return -EIO;
}
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 821a2c3..f539ee0 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -126,9 +126,9 @@ static int ext2_create (struct inode * dir, struct dentry * dentry, int mode, st
return err;
}

-static int ext2_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t rdev)
+static int ext2_mknod (struct inode * dir, struct dentry *dentry, int mode,
+ dev_t rdev, struct cred *cred)
{
- struct cred *cred = current->cred;
struct inode * inode;
int err;

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 4a6adaa..54f997d 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1752,9 +1752,8 @@ retry:
}

static int ext3_mknod (struct inode * dir, struct dentry *dentry,
- int mode, dev_t rdev)
+ int mode, dev_t rdev, struct cred *cred)
{
- struct cred *cred = current->cred;
handle_t *handle;
struct inode *inode;
int err, retries = 0;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index be28f73..54530e7 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1781,9 +1781,8 @@ retry:
}

static int ext4_mknod (struct inode * dir, struct dentry *dentry,
- int mode, dev_t rdev)
+ int mode, dev_t rdev, struct cred *cred)
{
- struct cred *cred = current->cred;
handle_t *handle;
struct inode *inode;
int err, retries = 0;
diff --git a/fs/namei.c b/fs/namei.c
index 3db9a41..5ff42f1 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1889,6 +1889,7 @@ EXPORT_SYMBOL_GPL(lookup_create);

int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
{
+ struct cred *cred = current->cred;
int error = may_create(dir, dentry, NULL);

if (error)
@@ -1905,7 +1906,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
return error;

DQUOT_INIT(dir);
- error = dir->i_op->mknod(dir, dentry, mode, dev);
+ error = dir->i_op->mknod(dir, dentry, mode, dev, cred);
if (!error)
fsnotify_create(dir, dentry);
return error;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 35a63cf..35bbaf6 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -50,7 +50,8 @@ static int nfs_rmdir(struct inode *, struct dentry *);
static int nfs_unlink(struct inode *, struct dentry *);
static int nfs_symlink(struct inode *, struct dentry *, const char *);
static int nfs_link(struct dentry *, struct inode *, struct dentry *);
-static int nfs_mknod(struct inode *, struct dentry *, int, dev_t);
+static int nfs_mknod(struct inode *, struct dentry *, int, dev_t,
+ struct cred *);
static int nfs_rename(struct inode *, struct dentry *,
struct inode *, struct dentry *);
static int nfs_fsync_dir(struct file *, struct dentry *, int);
@@ -1284,9 +1285,9 @@ out_err:
* See comments for nfs_proc_create regarding failed operations.
*/
static int
-nfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
+nfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev,
+ struct cred *acred)
{
- struct cred *acred = current->cred;
struct iattr attr;
int status;

diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index 29100e2..f9e6244 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -91,9 +91,9 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev,
*/
/* SMP-safe */
static int
-ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
struct inode * inode = ramfs_get_inode(dir->i_sb, mode, dev, cred);
int error = -ENOSPC;

@@ -113,7 +113,8 @@ ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)

static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, int mode)
{
- int retval = ramfs_mknod(dir, dentry, mode | S_IFDIR, 0);
+ struct cred *cred = current->cred;
+ int retval = ramfs_mknod(dir, dentry, mode | S_IFDIR, 0, cred);
if (!retval)
inc_nlink(dir);
return retval;
@@ -121,7 +122,8 @@ static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, int mode)

static int ramfs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
{
- return ramfs_mknod(dir, dentry, mode | S_IFREG, 0);
+ struct cred *cred = current->cred;
+ return ramfs_mknod(dir, dentry, mode | S_IFREG, 0, cred);
}

static int ramfs_symlink(struct inode * dir, struct dentry *dentry, const char * symname)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 10245c6..a8d2d26 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1142,7 +1142,7 @@ struct inode_operations {
int (*symlink) (struct inode *,struct dentry *,const char *);
int (*mkdir) (struct inode *,struct dentry *,int);
int (*rmdir) (struct inode *,struct dentry *);
- int (*mknod) (struct inode *,struct dentry *,int,dev_t);
+ int (*mknod) (struct inode *,struct dentry *,int,dev_t, struct cred *);
int (*rename) (struct inode *, struct dentry *,
struct inode *, struct dentry *);
int (*readlink) (struct dentry *, char __user *,int);
diff --git a/mm/shmem.c b/mm/shmem.c
index ccab183..62ae312 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1707,9 +1707,9 @@ static int shmem_statfs(struct dentry *dentry, struct kstatfs *buf)
* File creation. Allocate an inode, and we're done..
*/
static int
-shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
struct inode *inode = shmem_get_inode(dir->i_sb, mode, dev, cred);
int error = -ENOSPC;

@@ -1742,9 +1742,10 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)

static int shmem_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
+ struct cred *cred = current->cred;
int error;

- if ((error = shmem_mknod(dir, dentry, mode | S_IFDIR, 0)))
+ if ((error = shmem_mknod(dir, dentry, mode | S_IFDIR, 0, cred)))
return error;
inc_nlink(dir);
return 0;
@@ -1753,7 +1754,8 @@ static int shmem_mkdir(struct inode *dir, struct dentry *dentry, int mode)
static int shmem_create(struct inode *dir, struct dentry *dentry, int mode,
struct nameidata *nd)
{
- return shmem_mknod(dir, dentry, mode | S_IFREG, 0);
+ struct cred *cred = current->cred;
+ return shmem_mknod(dir, dentry, mode | S_IFREG, 0, cred);
}

/*
-
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