From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=37876 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OOWzy-0008A9-Td for qemu-devel@nongnu.org; Tue, 15 Jun 2010 10:20:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OOWzx-0000Ba-LO for qemu-devel@nongnu.org; Tue, 15 Jun 2010 10:20:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48335) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OOWzx-0000BJ-93 for qemu-devel@nongnu.org; Tue, 15 Jun 2010 10:20:17 -0400 From: Kevin Wolf Date: Tue, 15 Jun 2010 16:19:36 +0200 Message-Id: <1276611581-3757-15-git-send-email-kwolf@redhat.com> In-Reply-To: <1276611581-3757-1-git-send-email-kwolf@redhat.com> References: <1276611581-3757-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PATCH 14/19] block: New bdrv_next() List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: anthony@codemonkey.ws Cc: kwolf@redhat.com, qemu-devel@nongnu.org From: Markus Armbruster This is a more flexible alternative to bdrv_iterate(). Signed-off-by: Markus Armbruster Signed-off-by: Kevin Wolf --- block.c | 8 ++++++++ block.h | 1 + 2 files changed, 9 insertions(+), 0 deletions(-) diff --git a/block.c b/block.c index df2d3a6..383d59f 100644 --- a/block.c +++ b/block.c @@ -1330,6 +1330,14 @@ BlockDriverState *bdrv_find(const char *name) return NULL; } +BlockDriverState *bdrv_next(BlockDriverState *bs) +{ + if (!bs) { + return QTAILQ_FIRST(&bdrv_states); + } + return QTAILQ_NEXT(bs, list); +} + void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), void *opaque) { BlockDriverState *bs; diff --git a/block.h b/block.h index 1f69cbd..9df9b38 100644 --- a/block.h +++ b/block.h @@ -168,6 +168,7 @@ void bdrv_set_change_cb(BlockDriverState *bs, void (*change_cb)(void *opaque), void *opaque); void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size); BlockDriverState *bdrv_find(const char *name); +BlockDriverState *bdrv_next(BlockDriverState *bs); void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), void *opaque); int bdrv_is_encrypted(BlockDriverState *bs); -- 1.6.6.1