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authorDavid Howells <dhowells@redhat.com>2008-11-14 10:39:16 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 10:39:16 +1100
commitb6dff3ec5e116e3af6f537d4caedcad6b9e5082a (patch)
tree9e76f972eb7ce9b84e0146c8e4126a3f86acb428 /fs/xfs
parent15a2460ed0af7538ca8e6c610fe607a2cd9da142 (diff)
CRED: Separate task security context from task_struct
Separate the task security context from task_struct. At this point, the security data is temporarily embedded in the task_struct with two pointers pointing to it. Note that the Alpha arch is altered as it refers to (E)UID and (E)GID in entry.S via asm-offsets. With comment fixes Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/linux-2.6/xfs_cred.h6
-rw-r--r--fs/xfs/linux-2.6/xfs_globals.h2
-rw-r--r--fs/xfs/xfs_inode.h2
-rw-r--r--fs/xfs/xfs_vnodeops.h10
4 files changed, 9 insertions, 11 deletions
diff --git a/fs/xfs/linux-2.6/xfs_cred.h b/fs/xfs/linux-2.6/xfs_cred.h
index 293043a5573..8c022cd0ad6 100644
--- a/fs/xfs/linux-2.6/xfs_cred.h
+++ b/fs/xfs/linux-2.6/xfs_cred.h
@@ -23,11 +23,9 @@
/*
* Credentials
*/
-typedef struct cred {
- /* EMPTY */
-} cred_t;
+typedef const struct cred cred_t;
-extern struct cred *sys_cred;
+extern cred_t *sys_cred;
/* this is a hack.. (assumes sys_cred is the only cred_t in the system) */
static inline int capable_cred(cred_t *cr, int cid)
diff --git a/fs/xfs/linux-2.6/xfs_globals.h b/fs/xfs/linux-2.6/xfs_globals.h
index 2770b0085ee..6eda8a3eb6f 100644
--- a/fs/xfs/linux-2.6/xfs_globals.h
+++ b/fs/xfs/linux-2.6/xfs_globals.h
@@ -19,6 +19,6 @@
#define __XFS_GLOBALS_H__
extern uint64_t xfs_panic_mask; /* set to cause more panics */
-extern struct cred *sys_cred;
+extern cred_t *sys_cred;
#endif /* __XFS_GLOBALS_H__ */
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 1420c49674d..6be310d41da 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -497,7 +497,7 @@ int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
xfs_inode_t **, xfs_daddr_t, uint);
int xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int);
int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t,
- xfs_nlink_t, xfs_dev_t, struct cred *, xfs_prid_t,
+ xfs_nlink_t, xfs_dev_t, cred_t *, xfs_prid_t,
int, struct xfs_buf **, boolean_t *, xfs_inode_t **);
void xfs_dinode_from_disk(struct xfs_icdinode *,
struct xfs_dinode_core *);
diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h
index e932a96bec5..7b0c2ab8833 100644
--- a/fs/xfs/xfs_vnodeops.h
+++ b/fs/xfs/xfs_vnodeops.h
@@ -16,7 +16,7 @@ struct xfs_iomap;
int xfs_open(struct xfs_inode *ip);
int xfs_setattr(struct xfs_inode *ip, struct iattr *vap, int flags,
- struct cred *credp);
+ cred_t *credp);
#define XFS_ATTR_DMI 0x01 /* invocation from a DMI function */
#define XFS_ATTR_NONBLOCK 0x02 /* return EAGAIN if operation would block */
#define XFS_ATTR_NOLOCK 0x04 /* Don't grab any conflicting locks */
@@ -28,24 +28,24 @@ int xfs_inactive(struct xfs_inode *ip);
int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name,
struct xfs_inode **ipp, struct xfs_name *ci_name);
int xfs_create(struct xfs_inode *dp, struct xfs_name *name, mode_t mode,
- xfs_dev_t rdev, struct xfs_inode **ipp, struct cred *credp);
+ xfs_dev_t rdev, struct xfs_inode **ipp, cred_t *credp);
int xfs_remove(struct xfs_inode *dp, struct xfs_name *name,
struct xfs_inode *ip);
int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip,
struct xfs_name *target_name);
int xfs_mkdir(struct xfs_inode *dp, struct xfs_name *dir_name,
- mode_t mode, struct xfs_inode **ipp, struct cred *credp);
+ mode_t mode, struct xfs_inode **ipp, cred_t *credp);
int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize,
xfs_off_t *offset, filldir_t filldir);
int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name,
const char *target_path, mode_t mode, struct xfs_inode **ipp,
- struct cred *credp);
+ cred_t *credp);
int xfs_inode_flush(struct xfs_inode *ip, int flags);
int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state);
int xfs_reclaim(struct xfs_inode *ip);
int xfs_change_file_space(struct xfs_inode *ip, int cmd,
xfs_flock64_t *bf, xfs_off_t offset,
- struct cred *credp, int attr_flags);
+ cred_t *credp, int attr_flags);
int xfs_rename(struct xfs_inode *src_dp, struct xfs_name *src_name,
struct xfs_inode *src_ip, struct xfs_inode *target_dp,
struct xfs_name *target_name, struct xfs_inode *target_ip);