shmfs: use 'check_acl' instead of 'permission'
shmfs wants purely standard POSIX ACL semantics, so we can use the new
generic VFS layer POSIX ACL checking rather than cooking our own
'permission()' function.
Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index abff6c9..6d3f2f4 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -39,7 +39,7 @@
}
#ifdef CONFIG_TMPFS_POSIX_ACL
-int shmem_permission(struct inode *, int);
+int shmem_check_acl(struct inode *, int);
int shmem_acl_init(struct inode *, struct inode *);
extern struct xattr_handler shmem_xattr_acl_access_handler;
diff --git a/mm/shmem.c b/mm/shmem.c
index d713239..5a0b3d4 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2446,7 +2446,7 @@
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
- .permission = shmem_permission,
+ .check_acl = shmem_check_acl,
#endif
};
@@ -2469,7 +2469,7 @@
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
- .permission = shmem_permission,
+ .check_acl = shmem_check_acl,
#endif
};
@@ -2480,7 +2480,7 @@
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
- .permission = shmem_permission,
+ .check_acl = shmem_check_acl,
#endif
};
diff --git a/mm/shmem_acl.c b/mm/shmem_acl.c
index 606a8e7..df2c87f 100644
--- a/mm/shmem_acl.c
+++ b/mm/shmem_acl.c
@@ -157,7 +157,7 @@
/**
* shmem_check_acl - check_acl() callback for generic_permission()
*/
-static int
+int
shmem_check_acl(struct inode *inode, int mask)
{
struct posix_acl *acl = shmem_get_acl(inode, ACL_TYPE_ACCESS);
@@ -169,12 +169,3 @@
}
return -EAGAIN;
}
-
-/**
- * shmem_permission - permission() inode operation
- */
-int
-shmem_permission(struct inode *inode, int mask)
-{
- return generic_permission(inode, mask, shmem_check_acl);
-}