Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg...

[pandora-kernel.git] / fs / posix_acl.c

diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index b1cf6bf..d43729a 100644 (file)
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -14,7 +14,7 @@
 
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/fs.h>
 #include <linux/sched.h>
 #include <linux/posix_acl.h>
@@ -24,13 +24,9 @@
 
 EXPORT_SYMBOL(posix_acl_init);
 EXPORT_SYMBOL(posix_acl_alloc);
-EXPORT_SYMBOL(posix_acl_clone);
 EXPORT_SYMBOL(posix_acl_valid);
 EXPORT_SYMBOL(posix_acl_equiv_mode);
 EXPORT_SYMBOL(posix_acl_from_mode);
-EXPORT_SYMBOL(posix_acl_create_masq);
-EXPORT_SYMBOL(posix_acl_chmod_masq);
-EXPORT_SYMBOL(posix_acl_permission);
 
 /*
  * Init a fresh posix_acl
@@ -59,7 +55,7 @@ posix_acl_alloc(int count, gfp_t flags)
 /*
  * Clone an ACL.
  */
-struct posix_acl *
+static struct posix_acl *
 posix_acl_clone(const struct posix_acl *acl, gfp_t flags)
 {
        struct posix_acl *clone = NULL;
@@ -283,8 +279,7 @@ check_perm:
  * system calls. All permissions that are not granted by the acl are removed.
  * The permissions in the acl are changed to reflect the mode_p parameter.
  */
-int
-posix_acl_create_masq(struct posix_acl *acl, mode_t *mode_p)
+static int posix_acl_create_masq(struct posix_acl *acl, mode_t *mode_p)
 {
        struct posix_acl_entry *pa, *pe;
        struct posix_acl_entry *group_obj = NULL, *mask_obj = NULL;
@@ -341,8 +336,7 @@ posix_acl_create_masq(struct posix_acl *acl, mode_t *mode_p)
 /*
  * Modify the ACL for the chmod syscall.
  */
-int
-posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
+static int posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
 {
        struct posix_acl_entry *group_obj = NULL, *mask_obj = NULL;
        struct posix_acl_entry *pa, *pe;
@@ -386,3 +380,39 @@ posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
 
        return 0;
 }
+
+int
+posix_acl_create(struct posix_acl **acl, gfp_t gfp, mode_t *mode_p)
+{
+       struct posix_acl *clone = posix_acl_clone(*acl, gfp);
+       int err = -ENOMEM;
+       if (clone) {
+               err = posix_acl_create_masq(clone, mode_p);
+               if (err < 0) {
+                       posix_acl_release(clone);
+                       clone = NULL;
+               }
+       }
+       posix_acl_release(*acl);
+       *acl = clone;
+       return err;
+}
+EXPORT_SYMBOL(posix_acl_create);
+
+int
+posix_acl_chmod(struct posix_acl **acl, gfp_t gfp, mode_t mode)
+{
+       struct posix_acl *clone = posix_acl_clone(*acl, gfp);
+       int err = -ENOMEM;
+       if (clone) {
+               err = posix_acl_chmod_masq(clone, mode);
+               if (err) {
+                       posix_acl_release(clone);
+                       clone = NULL;
+               }
+       }
+       posix_acl_release(*acl);
+       *acl = clone;
+       return err;
+}
+EXPORT_SYMBOL(posix_acl_chmod);