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[Qemu-devel] [PATCH 04/13] block: New bdrv_next()
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH 04/13] block: New bdrv_next() |
Date: |
Wed, 2 Jun 2010 18:55:20 +0200 |
This is a more flexible alternative to bdrv_iterate().
Signed-off-by: Markus Armbruster <address@hidden>
---
block.c | 8 ++++++++
block.h | 1 +
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index 1bef649..f42960c 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 49e3dcf..29993d1 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
- [Qemu-devel] [PATCH 00/13] New -blockdev to define a host block device, Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 03/13] monitor: Make "commit FOO" complain when FOO doesn't exist, Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 12/13] blockdev: Factor option value parsers out of drive_init(), Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 01/13] block: Move error actions from DriveInfo to BlockDriverState, Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 04/13] block: New bdrv_next(),
Markus Armbruster <=
- [Qemu-devel] [PATCH 05/13] block: Decouple savevm from DriveInfo, Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 11/13] qemu-option: New qemu_opt_next(), qemu_opt_name(), Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 07/13] blockdev: Means to destroy blockdev only if made with drive_init(), Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 02/13] block: Decouple block device "commit all" from DriveInfo, Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 09/13] blockdev: drive_get_by_id() is no longer used, remove, Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 06/13] blockdev: Give drives internal linkage, Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 10/13] qemu-option: New qemu_opts_reset(), Markus Armbruster, 2010/06/02
- [Qemu-devel] [PATCH 08/13] qdev: Decouple qdev_prop_drive from DriveInfo, Markus Armbruster, 2010/06/02