]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/jffs2/acl.c
arm: use kbuild.h instead of macros in asm-offsets.c
[linux-2.6-omap-h63xx.git] / fs / jffs2 / acl.c
index 65b3a1b5b88dd0fc009ee4fc425f65d1ceda803e..4c80404a9abae4b61e075135bb62441450596b11 100644 (file)
@@ -228,11 +228,28 @@ static struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
        return acl;
 }
 
+static int __jffs2_set_acl(struct inode *inode, int xprefix, struct posix_acl *acl)
+{
+       char *value = NULL;
+       size_t size = 0;
+       int rc;
+
+       if (acl) {
+               value = jffs2_acl_to_medium(acl, &size);
+               if (IS_ERR(value))
+                       return PTR_ERR(value);
+       }
+       rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
+       if (!value && rc == -ENODATA)
+               rc = 0;
+       kfree(value);
+
+       return rc;
+}
+
 static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
 {
        struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
-       size_t size = 0;
-       char *value = NULL;
        int rc, xprefix;
 
        if (S_ISLNK(inode->i_mode))
@@ -247,8 +264,13 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
                        if (rc < 0)
                                return rc;
                        if (inode->i_mode != mode) {
-                               inode->i_mode = mode;
-                               jffs2_dirty_inode(inode);
+                               struct iattr attr;
+
+                               attr.ia_valid = ATTR_MODE;
+                               attr.ia_mode = mode;
+                               rc = jffs2_do_setattr(inode, &attr);
+                               if (rc < 0)
+                                       return rc;
                        }
                        if (rc == 0)
                                acl = NULL;
@@ -262,17 +284,7 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
        default:
                return -EINVAL;
        }
-       if (acl) {
-               value = jffs2_acl_to_medium(acl, &size);
-               if (IS_ERR(value))
-                       return PTR_ERR(value);
-       }
-
-       rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
-       if (!value && rc == -ENODATA)
-               rc = 0;
-       if (value)
-               kfree(value);
+       rc = __jffs2_set_acl(inode, xprefix, acl);
        if (!rc) {
                switch(type) {
                case ACL_TYPE_ACCESS:
@@ -307,44 +319,62 @@ int jffs2_permission(struct inode *inode, int mask, struct nameidata *nd)
        return generic_permission(inode, mask, jffs2_check_acl);
 }
 
-int jffs2_init_acl(struct inode *inode, struct inode *dir)
+int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, int *i_mode)
 {
        struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
-       struct posix_acl *acl = NULL, *clone;
-       mode_t mode;
-       int rc = 0;
-
-       f->i_acl_access = JFFS2_ACL_NOT_CACHED;
-       f->i_acl_default = JFFS2_ACL_NOT_CACHED;
-       if (!S_ISLNK(inode->i_mode)) {
-               acl = jffs2_get_acl(dir, ACL_TYPE_DEFAULT);
-               if (IS_ERR(acl))
-                       return PTR_ERR(acl);
-               if (!acl)
-                       inode->i_mode &= ~current->fs->umask;
-       }
-       if (acl) {
-               if (S_ISDIR(inode->i_mode)) {
-                       rc = jffs2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
-                       if (rc)
-                               goto cleanup;
-               }
+       struct posix_acl *acl, *clone;
+       int rc;
+
+       f->i_acl_default = NULL;
+       f->i_acl_access = NULL;
+
+       if (S_ISLNK(*i_mode))
+               return 0;       /* Symlink always has no-ACL */
+
+       acl = jffs2_get_acl(dir_i, ACL_TYPE_DEFAULT);
+       if (IS_ERR(acl))
+               return PTR_ERR(acl);
+
+       if (!acl) {
+               *i_mode &= ~current->fs->umask;
+       } else {
+               if (S_ISDIR(*i_mode))
+                       jffs2_iset_acl(inode, &f->i_acl_default, acl);
+
                clone = posix_acl_clone(acl, GFP_KERNEL);
-               rc = -ENOMEM;
                if (!clone)
-                       goto cleanup;
-               mode = inode->i_mode;
-               rc = posix_acl_create_masq(clone, &mode);
-               if (rc >= 0) {
-                       inode->i_mode = mode;
-                       if (rc > 0)
-                               rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, clone);
+                       return -ENOMEM;
+               rc = posix_acl_create_masq(clone, (mode_t *)i_mode);
+               if (rc < 0) {
+                       posix_acl_release(clone);
+                       return rc;
                }
+               if (rc > 0)
+                       jffs2_iset_acl(inode, &f->i_acl_access, clone);
+
                posix_acl_release(clone);
        }
- cleanup:
-       posix_acl_release(acl);
-       return rc;
+       return 0;
+}
+
+int jffs2_init_acl_post(struct inode *inode)
+{
+       struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
+       int rc;
+
+       if (f->i_acl_default) {
+               rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_DEFAULT, f->i_acl_default);
+               if (rc)
+                       return rc;
+       }
+
+       if (f->i_acl_access) {
+               rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_ACCESS, f->i_acl_access);
+               if (rc)
+                       return rc;
+       }
+
+       return 0;
 }
 
 void jffs2_clear_acl(struct jffs2_inode_info *f)