+++ /dev/null
-From: Tiger Yang <tiger.yang@oracle.com>
-Date: Fri, 14 Nov 2008 11:17:18 +0800
-Subject: ocfs2: add ocfs2_check_acl
-Patch-mainline: 2.6.29
-
-This function is used to enhance permission checking with POSIX ACLs.
-
-Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
-Signed-off-by: Mark Fasheh <mfasheh@suse.com>
----
- fs/ocfs2/acl.c | 15 +++++++++++++++
- fs/ocfs2/acl.h | 10 ++++++++++
- fs/ocfs2/file.c | 3 ++-
- 3 files changed, 27 insertions(+), 1 deletions(-)
-
-diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
-index 62d0faa..a6a2bf6 100644
---- a/fs/ocfs2/acl.c
-+++ b/fs/ocfs2/acl.c
-@@ -230,6 +230,21 @@ static int ocfs2_set_acl(handle_t *handle,
- return ret;
- }
-
-+int ocfs2_check_acl(struct inode *inode, int mask)
-+{
-+ struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);
-+
-+ if (IS_ERR(acl))
-+ return PTR_ERR(acl);
-+ if (acl) {
-+ int ret = posix_acl_permission(inode, acl, mask);
-+ posix_acl_release(acl);
-+ return ret;
-+ }
-+
-+ return -EAGAIN;
-+}
-+
- static size_t ocfs2_xattr_list_acl_access(struct inode *inode,
- char *list,
- size_t list_len,
-diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h
-index 1b39f3e..fef10f1 100644
---- a/fs/ocfs2/acl.h
-+++ b/fs/ocfs2/acl.h
-@@ -26,4 +26,14 @@ struct ocfs2_acl_entry {
- __le32 e_id;
- };
-
-+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
-+
-+extern int ocfs2_check_acl(struct inode *, int);
-+
-+#else /* CONFIG_OCFS2_FS_POSIX_ACL*/
-+
-+#define ocfs2_check_acl NULL
-+
-+#endif /* CONFIG_OCFS2_FS_POSIX_ACL*/
-+
- #endif /* OCFS2_ACL_H */
-diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
-index 3605491..7bad7d9 100644
---- a/fs/ocfs2/file.c
-+++ b/fs/ocfs2/file.c
-@@ -56,6 +56,7 @@
- #include "suballoc.h"
- #include "super.h"
- #include "xattr.h"
-+#include "acl.h"
-
- #include "buffer_head_io.h"
-
-@@ -1035,7 +1036,7 @@ int ocfs2_permission(struct inode *inode, int mask)
- goto out;
- }
-
-- ret = generic_permission(inode, mask, NULL);
-+ ret = generic_permission(inode, mask, ocfs2_check_acl);
-
- ocfs2_inode_unlock(inode, 0);
- out:
---
-1.5.6
-