[PATCH 45/52] CRED: Pass credentials through the getattr() inode op
From: David Howells
Date: Fri Oct 12 2007 - 12:29:16 EST
Pass credentials through the getattr() inode operation.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---
fs/afs/inode.c | 2 +-
fs/afs/internal.h | 3 ++-
fs/bad_inode.c | 2 +-
fs/fat/file.c | 3 ++-
fs/libfs.c | 2 +-
fs/nfs/inode.c | 4 ++--
fs/proc/base.c | 6 ++++--
fs/proc/generic.c | 2 +-
fs/proc/root.c | 4 ++--
fs/stat.c | 3 ++-
include/linux/fs.h | 6 ++++--
include/linux/msdos_fs.h | 2 +-
include/linux/nfs_fs.h | 3 ++-
13 files changed, 25 insertions(+), 17 deletions(-)
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index f6e4dc1..75f8a8f 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -292,7 +292,7 @@ error_unlock:
* read the attributes of an inode
*/
int afs_getattr(struct vfsmount *mnt, struct dentry *dentry,
- struct kstat *stat)
+ struct kstat *stat, struct cred *cred)
{
struct inode *inode;
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 09b440e..1b2eeef 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -546,7 +546,8 @@ extern struct inode *afs_iget(struct super_block *, struct key *,
struct afs_callback *);
extern void afs_zap_data(struct afs_vnode *);
extern int afs_validate(struct afs_vnode *, struct key *);
-extern int afs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+extern int afs_getattr(struct vfsmount *, struct dentry *, struct kstat *,
+ struct cred *);
extern int afs_setattr(struct dentry *, struct iattr *, struct cred *);
extern void afs_clear_inode(struct inode *);
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 93c6283..a891eaa 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -254,7 +254,7 @@ static int bad_inode_permission(struct inode *inode, int mask,
}
static int bad_inode_getattr(struct vfsmount *mnt, struct dentry *dentry,
- struct kstat *stat)
+ struct kstat *stat, struct cred *cred)
{
return -EIO;
}
diff --git a/fs/fat/file.c b/fs/fat/file.c
index f0b3faa..6e62dd6 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -304,7 +304,8 @@ void fat_truncate(struct inode *inode, struct cred *cred)
fat_flush_inodes(inode->i_sb, inode, NULL);
}
-int fat_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+int fat_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat,
+ struct cred *cred)
{
struct inode *inode = dentry->d_inode;
generic_fillattr(inode, stat);
diff --git a/fs/libfs.c b/fs/libfs.c
index e214329..1699b79 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -12,7 +12,7 @@
#include <asm/uaccess.h>
int simple_getattr(struct vfsmount *mnt, struct dentry *dentry,
- struct kstat *stat)
+ struct kstat *stat, struct cred *cred)
{
struct inode *inode = dentry->d_inode;
generic_fillattr(inode, stat);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 178979c..b55f803 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -425,9 +425,9 @@ static void nfs_wake_up_inode(struct inode *inode)
wake_up_bit(&nfsi->flags, NFS_INO_REVALIDATING);
}
-int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat,
+ struct cred *acred)
{
- struct cred *acred = current->cred;
struct inode *inode = dentry->d_inode;
int need_atime = NFS_I(inode)->cache_validity & NFS_INO_INVALID_ATIME;
int err;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index d26cf33..3a53ceb 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1064,7 +1064,8 @@ out_unlock:
return NULL;
}
-static int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+static int pid_getattr(struct vfsmount *mnt, struct dentry *dentry,
+ struct kstat *stat, struct cred *cred)
{
struct inode *inode = dentry->d_inode;
struct task_struct *task;
@@ -2640,7 +2641,8 @@ out_no_task:
return retval;
}
-static int proc_task_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+static int proc_task_getattr(struct vfsmount *mnt, struct dentry *dentry,
+ struct kstat *stat, struct cred *cred)
{
struct inode *inode = dentry->d_inode;
struct task_struct *p = get_proc_task(inode);
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index ea67aac..afbba93 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -256,7 +256,7 @@ out:
}
static int proc_getattr(struct vfsmount *mnt, struct dentry *dentry,
- struct kstat *stat)
+ struct kstat *stat, struct cred *cred)
{
struct inode *inode = dentry->d_inode;
struct proc_dir_entry *de = PROC_I(inode)->pde;
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 4e3a6c7..6025b9d 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -83,8 +83,8 @@ void __init proc_root_init(void)
proc_sys_init();
}
-static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
-)
+static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry,
+ struct kstat *stat, struct cred *cred)
{
generic_fillattr(dentry->d_inode, stat);
stat->nlink = proc_root.nlink + nr_processes();
diff --git a/fs/stat.c b/fs/stat.c
index 6851006..0d71257 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -39,6 +39,7 @@ EXPORT_SYMBOL(generic_fillattr);
int vfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
{
+ struct cred *cred = current->cred;
struct inode *inode = dentry->d_inode;
int retval;
@@ -47,7 +48,7 @@ int vfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
return retval;
if (inode->i_op->getattr)
- return inode->i_op->getattr(mnt, dentry, stat);
+ return inode->i_op->getattr(mnt, dentry, stat, cred);
generic_fillattr(inode, stat);
return 0;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9e7ac7c..395b272 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1158,7 +1158,8 @@ struct inode_operations {
int (*permission) (struct inode *, int, struct nameidata *,
struct cred *);
int (*setattr) (struct dentry *, struct iattr *, struct cred *);
- int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
+ int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *,
+ struct cred *);
int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
ssize_t (*listxattr) (struct dentry *, char *, size_t);
@@ -1802,7 +1803,8 @@ extern int dcache_dir_open(struct inode *, struct file *);
extern int dcache_dir_close(struct inode *, struct file *);
extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
extern int dcache_readdir(struct file *, void *, filldir_t);
-extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *,
+ struct cred *);
extern int simple_statfs(struct dentry *, struct kstatfs *, struct cred *);
extern int simple_link(struct dentry *, struct inode *, struct dentry *,
struct cred *);
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index 63a3efc..2276346 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -405,7 +405,7 @@ extern int fat_notify_change(struct dentry * dentry, struct iattr * attr,
struct cred *cred);
extern void fat_truncate(struct inode *inode, struct cred *cred);
extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
- struct kstat *stat);
+ struct kstat *statm, struct cred *cred);
/* fat/inode.c */
extern void fat_attach(struct inode *inode, loff_t i_pos);
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 333abc5..d26fd56 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -288,7 +288,8 @@ extern struct inode *nfs_fhget(struct super_block *, struct nfs_fh *,
struct nfs_fattr *);
extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *);
extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr);
-extern int nfs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+extern int nfs_getattr(struct vfsmount *, struct dentry *, struct kstat *,
+ struct cred *);
extern int nfs_permission(struct inode *, int, struct nameidata *,
struct cred *);
extern int nfs_access_get_cached(struct inode *, struct rpc_cred *, struct nfs_access_entry *);
-
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