From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39355) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cqAIC-0001OR-5m for qemu-devel@nongnu.org; Mon, 20 Mar 2017 23:17:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cqAIB-0000KX-DK for qemu-devel@nongnu.org; Mon, 20 Mar 2017 23:17:04 -0400 From: Fam Zheng Date: Tue, 21 Mar 2017 11:16:20 +0800 Message-Id: <20170321031635.22123-2-famz@redhat.com> In-Reply-To: <20170321031635.22123-1-famz@redhat.com> References: <20170321031635.22123-1-famz@redhat.com> Subject: [Qemu-devel] [PATCH RFC 01/16] block: Define BLK_PERM_AIO_CONTEXT_CHANGE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Stefan Hajnoczi , Kevin Wolf , Max Reitz , qemu-block@nongnu.org Signed-off-by: Fam Zheng --- block.c | 2 ++ include/block/block.h | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/block.c b/block.c index 6e906ec..ae9327b 100644 --- a/block.c +++ b/block.c @@ -1547,6 +1547,8 @@ static char *bdrv_perm_names(uint64_t perm) { BLK_PERM_WRITE_UNCHANGED, "write unchanged" }, { BLK_PERM_RESIZE, "resize" }, { BLK_PERM_GRAPH_MOD, "change children" }, + { BLK_PERM_AIO_CONTEXT_CHANGE, + "aio context change" }, { 0, NULL } }; diff --git a/include/block/block.h b/include/block/block.h index 5149260..989bdcc 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -221,7 +221,12 @@ enum { */ BLK_PERM_GRAPH_MOD = 0x10, - BLK_PERM_ALL = 0x1f, + /** + * This permission is required to change the AioContext of this node. + */ + BLK_PERM_AIO_CONTEXT_CHANGE = 0x20, + + BLK_PERM_ALL = 0x3f, }; /* disk I/O throttling */ -- 2.9.3