switch btrfs to inode->i_acl

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/btrfs/acl.c

@@ -34,7 +34,7 @@ static void btrfs_update_cached_acl(struct inode *inode,
 				    struct posix_acl *acl)
 {
 	spin_lock(&inode->i_lock);
-	if (*p_acl && *p_acl != BTRFS_ACL_NOT_CACHED)
+	if (*p_acl && *p_acl != ACL_NOT_CACHED)
 		posix_acl_release(*p_acl);
 	*p_acl = posix_acl_dup(acl);
 	spin_unlock(&inode->i_lock);
@@ -50,11 +50,11 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
 	switch (type) {
 	case ACL_TYPE_ACCESS:
 		name = POSIX_ACL_XATTR_ACCESS;
-		p_acl = &BTRFS_I(inode)->i_acl;
+		p_acl = &inode->i_acl;
 		break;
 	case ACL_TYPE_DEFAULT:
 		name = POSIX_ACL_XATTR_DEFAULT;
-		p_acl = &BTRFS_I(inode)->i_default_acl;
+		p_acl = &inode->i_default_acl;
 		break;
 	default:
 		return ERR_PTR(-EINVAL);
@@ -67,11 +67,11 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
 
 	spin_lock(&inode->i_lock);
 	acl = *p_acl;
-	if (acl != BTRFS_ACL_NOT_CACHED)
+	if (acl != ACL_NOT_CACHED)
 		acl = posix_acl_dup(acl);
 	spin_unlock(&inode->i_lock);
 
-	if (acl != BTRFS_ACL_NOT_CACHED)
+	if (acl != ACL_NOT_CACHED)
 		return acl;
 
 	size = __btrfs_getxattr(inode, name, "", 0);
@@ -141,13 +141,13 @@ static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 		ret = 0;
 		inode->i_mode = mode;
 		name = POSIX_ACL_XATTR_ACCESS;
-		p_acl = &BTRFS_I(inode)->i_acl;
+		p_acl = &inode->i_acl;
 		break;
 	case ACL_TYPE_DEFAULT:
 		if (!S_ISDIR(inode->i_mode))
 			return acl ? -EINVAL : 0;
 		name = POSIX_ACL_XATTR_DEFAULT;
-		p_acl = &BTRFS_I(inode)->i_default_acl;
+		p_acl = &inode->i_default_acl;
 		break;
 	default:
 		return -EINVAL;

fs/btrfs/btrfs_inode.h

@@ -53,10 +53,6 @@ struct btrfs_inode {
 	/* used to order data wrt metadata */
 	struct btrfs_ordered_inode_tree ordered_tree;
 
-	/* standard acl pointers */
-	struct posix_acl *i_acl;
-	struct posix_acl *i_default_acl;
-
 	/* for keeping track of orphaned inodes */
 	struct list_head i_orphan;
 

fs/btrfs/ctree.h

@@ -41,8 +41,6 @@ struct btrfs_ordered_sum;
 
 #define BTRFS_MAGIC "_BHRfS_M"
 
-#define BTRFS_ACL_NOT_CACHED    ((void *)-1)
-
 #define BTRFS_MAX_LEVEL 8
 
 #define BTRFS_COMPAT_EXTENT_TREE_V0

fs/btrfs/inode.c

@@ -2123,8 +2123,8 @@ static void btrfs_read_locked_inode(struct inode *inode)
 	 */
 	maybe_acls = acls_after_inode_item(leaf, path->slots[0], inode->i_ino);
 	if (!maybe_acls) {
-		BTRFS_I(inode)->i_acl = NULL;
-		BTRFS_I(inode)->i_default_acl = NULL;
+		inode->i_acl = NULL;
+		inode->i_default_acl = NULL;
 	}
 
 	BTRFS_I(inode)->block_group = btrfs_find_block_group(root, 0,
@@ -3141,9 +3141,6 @@ static noinline void init_btrfs_i(struct inode *inode)
 {
 	struct btrfs_inode *bi = BTRFS_I(inode);
 
-	bi->i_acl = BTRFS_ACL_NOT_CACHED;
-	bi->i_default_acl = BTRFS_ACL_NOT_CACHED;
-
 	bi->generation = 0;
 	bi->sequence = 0;
 	bi->last_trans = 0;
@@ -4640,8 +4637,6 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
 	ei->last_trans = 0;
 	ei->logged_trans = 0;
 	btrfs_ordered_inode_tree_init(&ei->ordered_tree);
-	ei->i_acl = BTRFS_ACL_NOT_CACHED;
-	ei->i_default_acl = BTRFS_ACL_NOT_CACHED;
 	INIT_LIST_HEAD(&ei->i_orphan);
 	INIT_LIST_HEAD(&ei->ordered_operations);
 	return &ei->vfs_inode;
@@ -4655,13 +4650,6 @@ void btrfs_destroy_inode(struct inode *inode)
 	WARN_ON(!list_empty(&inode->i_dentry));
 	WARN_ON(inode->i_data.nrpages);
 
-	if (BTRFS_I(inode)->i_acl &&
-	    BTRFS_I(inode)->i_acl != BTRFS_ACL_NOT_CACHED)
-		posix_acl_release(BTRFS_I(inode)->i_acl);
-	if (BTRFS_I(inode)->i_default_acl &&
-	    BTRFS_I(inode)->i_default_acl != BTRFS_ACL_NOT_CACHED)
-		posix_acl_release(BTRFS_I(inode)->i_default_acl);
-
 	/*
 	 * Make sure we're properly removed from the ordered operation
 	 * lists.