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Subject[PATCH 26/52] CRED: Give the mkdir() inode op a credentials pointer
Date
Give the mkdir() inode op a credentials pointer.

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

fs/afs/dir.c | 6 ++++--
fs/autofs4/root.c | 5 +++--
fs/bad_inode.c | 2 +-
fs/ext2/namei.c | 4 ++--
fs/ext3/namei.c | 4 ++--
fs/ext4/namei.c | 4 ++--
fs/namei.c | 3 ++-
fs/nfs/dir.c | 6 +++---
fs/ramfs/inode.c | 4 ++--
fs/vfat/namei.c | 3 ++-
include/linux/fs.h | 2 +-
mm/shmem.c | 4 ++--
12 files changed, 26 insertions(+), 21 deletions(-)

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index f861d08..ccc09f1 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -30,7 +30,8 @@ static int afs_lookup_filldir(void *_cookie, const char *name, int nlen,
loff_t fpos, u64 ino, unsigned dtype);
static int afs_create(struct inode *dir, struct dentry *dentry, int mode,
struct nameidata *nd);
-static int afs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
+static int afs_mkdir(struct inode *dir, struct dentry *dentry, int mode,
+ struct cred *cred);
static int afs_rmdir(struct inode *dir, struct dentry *dentry);
static int afs_unlink(struct inode *dir, struct dentry *dentry);
static int afs_link(struct dentry *from, struct inode *dir,
@@ -721,7 +722,8 @@ static void afs_d_release(struct dentry *dentry)
/*
* create a directory on an AFS filesystem
*/
-static int afs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int afs_mkdir(struct inode *dir, struct dentry *dentry, int mode,
+ struct cred *cred)
{
struct afs_file_status status;
struct afs_callback cb;
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 45ff3d6..63c0b62 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -22,7 +22,7 @@
static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *);
static int autofs4_dir_unlink(struct inode *,struct dentry *);
static int autofs4_dir_rmdir(struct inode *,struct dentry *);
-static int autofs4_dir_mkdir(struct inode *,struct dentry *,int);
+static int autofs4_dir_mkdir(struct inode *,struct dentry *,int, struct cred *);
static int autofs4_root_ioctl(struct inode *, struct file *,unsigned int,unsigned long);
static int autofs4_dir_open(struct inode *inode, struct file *file);
static int autofs4_dir_close(struct inode *inode, struct file *file);
@@ -829,7 +829,8 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
return 0;
}

-static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode,
+ 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 7df0a7c..4b7e6b1 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -215,7 +215,7 @@ static int bad_inode_symlink (struct inode *dir, struct dentry *dentry,
}

static int bad_inode_mkdir(struct inode *dir, struct dentry *dentry,
- int mode)
+ int mode, struct cred *cred)
{
return -EIO;
}
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index f539ee0..333330d 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -208,9 +208,9 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
return ext2_add_nondir(dentry, inode);
}

-static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
struct inode * inode;
int err = -EMLINK;

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 54f997d..f02cb17 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1787,9 +1787,9 @@ retry:
return err;
}

-static int ext3_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int ext3_mkdir(struct inode * dir, struct dentry * dentry, int mode,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
handle_t *handle;
struct inode * inode;
struct buffer_head * dir_block;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 54530e7..539456c 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1816,9 +1816,9 @@ retry:
return err;
}

-static int ext4_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int ext4_mkdir(struct inode * dir, struct dentry * dentry, int mode,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
handle_t *handle;
struct inode * inode;
struct buffer_head * dir_block;
diff --git a/fs/namei.c b/fs/namei.c
index 5ff42f1..ca2ccb1 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1969,6 +1969,7 @@ asmlinkage long sys_mknod(const char __user *filename, int mode, unsigned dev)

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

if (error)
@@ -1983,7 +1984,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
return error;

DQUOT_INIT(dir);
- error = dir->i_op->mkdir(dir, dentry, mode);
+ error = dir->i_op->mkdir(dir, dentry, mode, cred);
if (!error)
fsnotify_mkdir(dir, dentry);
return error;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 35bbaf6..98fccc1 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -45,7 +45,7 @@ static int nfs_opendir(struct inode *, struct file *);
static int nfs_readdir(struct file *, void *, filldir_t);
static struct dentry *nfs_lookup(struct inode *, struct dentry *, struct nameidata *);
static int nfs_create(struct inode *, struct dentry *, int, struct nameidata *);
-static int nfs_mkdir(struct inode *, struct dentry *, int);
+static int nfs_mkdir(struct inode *, struct dentry *, int, struct cred *);
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 *);
@@ -1319,9 +1319,9 @@ out_err:
/*
* See comments for nfs_proc_create regarding failed operations.
*/
-static int nfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int nfs_mkdir(struct inode *dir, struct dentry *dentry, int mode,
+ struct cred *acred)
{
- struct cred *acred = current->cred;
struct iattr attr;
int error;

diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index f9e6244..0e3142b 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -111,9 +111,9 @@ ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev,
return error;
}

-static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, int mode,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
int retval = ramfs_mknod(dir, dentry, mode | S_IFDIR, 0, cred);
if (!retval)
inc_nlink(dir);
diff --git a/fs/vfat/namei.c b/fs/vfat/namei.c
index cd450be..132601d 100644
--- a/fs/vfat/namei.c
+++ b/fs/vfat/namei.c
@@ -817,7 +817,8 @@ out:
return err;
}

-static int vfat_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int vfat_mkdir(struct inode *dir, struct dentry *dentry, int mode,
+ struct cred *cred)
{
struct super_block *sb = dir->i_sb;
struct inode *inode;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a8d2d26..69d7fcc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1140,7 +1140,7 @@ struct inode_operations {
int (*link) (struct dentry *,struct inode *,struct dentry *);
int (*unlink) (struct inode *,struct dentry *);
int (*symlink) (struct inode *,struct dentry *,const char *);
- int (*mkdir) (struct inode *,struct dentry *,int);
+ int (*mkdir) (struct inode *,struct dentry *,int, struct cred *);
int (*rmdir) (struct inode *,struct dentry *);
int (*mknod) (struct inode *,struct dentry *,int,dev_t, struct cred *);
int (*rename) (struct inode *, struct dentry *,
diff --git a/mm/shmem.c b/mm/shmem.c
index 62ae312..e69691a 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1740,9 +1740,9 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev,
return error;
}

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

if ((error = shmem_mknod(dir, dentry, mode | S_IFDIR, 0, cred)))
-
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