From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D0EBC11D2F for ; Mon, 24 Feb 2020 15:38:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0CC92082F for ; Mon, 24 Feb 2020 15:38:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727979AbgBXPiA (ORCPT ); Mon, 24 Feb 2020 10:38:00 -0500 Received: from mga14.intel.com ([192.55.52.115]:19218 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727903AbgBXPh4 (ORCPT ); Mon, 24 Feb 2020 10:37:56 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Feb 2020 07:37:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,480,1574150400"; d="scan'208";a="260374555" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga004.fm.intel.com with ESMTP; 24 Feb 2020 07:37:53 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id CAB223C0; Mon, 24 Feb 2020 17:37:52 +0200 (EET) From: Andy Shevchenko To: Chris Mason , Josef Bacik , David Sterba , Lu Fengqi , linux-btrfs@vger.kernel.org, Christoph Hellwig Cc: Andy Shevchenko Subject: [PATCH v4 3/4] Btrfs: Switch to use new generic UUID API Date: Mon, 24 Feb 2020 17:37:51 +0200 Message-Id: <20200224153752.35063-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200224153752.35063-1-andriy.shevchenko@linux.intel.com> References: <20200224153752.35063-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org There are new types and helpers that are supposed to be used in new code. As a preparation to get rid of legacy types and API functions do the conversion here. Signed-off-by: Andy Shevchenko --- fs/btrfs/disk-io.c | 6 +++--- fs/btrfs/ioctl.c | 4 +--- fs/btrfs/root-tree.c | 4 +--- fs/btrfs/transaction.c | 7 +++---- 4 files changed, 8 insertions(+), 13 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 1a552391344e..a1801a8923af 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1220,7 +1220,6 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, struct btrfs_key key; unsigned int nofs_flag; int ret = 0; - uuid_le uuid = NULL_UUID_LE; /* * We're holding a transaction handle, so use a NOFS memory allocation @@ -1259,8 +1258,9 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, btrfs_set_root_last_snapshot(&root->root_item, 0); btrfs_set_root_dirid(&root->root_item, 0); if (is_fstree(objectid)) - uuid_le_gen(&uuid); - memcpy(root->root_item.uuid, uuid.b, BTRFS_UUID_SIZE); + generate_random_guid(root->root_item.uuid); + else + export_guid(root->root_item.uuid, &guid_null); root->root_item.drop_level = 0; key.objectid = objectid; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 54168a7ede00..1d314b94fd93 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -574,7 +574,6 @@ static noinline int create_subvol(struct inode *dir, u64 objectid; u64 new_dirid = BTRFS_FIRST_FREE_OBJECTID; u64 index = 0; - uuid_le new_uuid; root_item = kzalloc(sizeof(*root_item), GFP_KERNEL); if (!root_item) @@ -644,8 +643,7 @@ static noinline int create_subvol(struct inode *dir, btrfs_set_root_generation_v2(root_item, btrfs_root_generation(root_item)); - uuid_le_gen(&new_uuid); - memcpy(root_item->uuid, new_uuid.b, BTRFS_UUID_SIZE); + generate_random_guid(root_item->uuid); btrfs_set_stack_timespec_sec(&root_item->otime, cur_time.tv_sec); btrfs_set_stack_timespec_nsec(&root_item->otime, cur_time.tv_nsec); root_item->ctime = root_item->otime; diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index b37904327c9e..98b6e0d980f9 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -22,7 +22,6 @@ static void btrfs_read_root_item(struct extent_buffer *eb, int slot, struct btrfs_root_item *item) { - uuid_le uuid; u32 len; int need_reset = 0; @@ -44,8 +43,7 @@ static void btrfs_read_root_item(struct extent_buffer *eb, int slot, sizeof(*item) - offsetof(struct btrfs_root_item, generation_v2)); - uuid_le_gen(&uuid); - memcpy(item->uuid, uuid.b, BTRFS_UUID_SIZE); + generate_random_guid(item->uuid); } } diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index d00af9c13c40..56db59ea9d93 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1478,7 +1478,6 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, u64 index = 0; u64 objectid; u64 root_flags; - uuid_le new_uuid; ASSERT(pending->path); path = pending->path; @@ -1571,8 +1570,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_set_root_generation_v2(new_root_item, trans->transid); - uuid_le_gen(&new_uuid); - memcpy(new_root_item->uuid, new_uuid.b, BTRFS_UUID_SIZE); + generate_random_guid(new_root_item->uuid); memcpy(new_root_item->parent_uuid, root->root_item.uuid, BTRFS_UUID_SIZE); if (!(root_flags & BTRFS_ROOT_SUBVOL_RDONLY)) { @@ -1683,7 +1681,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_abort_transaction(trans, ret); goto fail; } - ret = btrfs_uuid_tree_add(trans, new_uuid.b, BTRFS_UUID_KEY_SUBVOL, + ret = btrfs_uuid_tree_add(trans, new_root_item->uuid, + BTRFS_UUID_KEY_SUBVOL, objectid); if (ret) { btrfs_abort_transaction(trans, ret); -- 2.25.0