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[Qemu-block] [PULL 22/37] block: Add blk_insert_bs()
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 22/37] block: Add blk_insert_bs() |
Date: |
Fri, 23 Oct 2015 19:01:09 +0200 |
From: Max Reitz <address@hidden>
This function associates the given BlockDriverState with the given
BlockBackend.
Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/block-backend.c | 11 +++++++++++
include/sysemu/block-backend.h | 1 +
2 files changed, 12 insertions(+)
diff --git a/block/block-backend.c b/block/block-backend.c
index a5c58c5..19fdaae 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -334,6 +334,17 @@ void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk)
}
/*
+ * Associates a new BlockDriverState with @blk.
+ */
+void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs)
+{
+ assert(!blk->bs && !bs->blk);
+ bdrv_ref(bs);
+ blk->bs = bs;
+ bs->blk = blk;
+}
+
+/*
* Attach device model @dev to @blk.
* Return 0 on success, -EBUSY when a device model is attached already.
*/
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 52e35a1..9306a52 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -72,6 +72,7 @@ BlockBackend *blk_by_name(const char *name);
BlockBackend *blk_next(BlockBackend *blk);
BlockDriverState *blk_bs(BlockBackend *blk);
+void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs);
void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk);
--
1.8.3.1
- [Qemu-block] [PULL 11/37] hw/usb-storage: Check whether BB is inserted, (continued)
- [Qemu-block] [PULL 11/37] hw/usb-storage: Check whether BB is inserted, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 10/37] hw/block/fdc: Implement tray status, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 12/37] block: Fix BB AIOCB AioContext without BDS, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 13/37] block: Move guest_block_size into BlockBackend, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 18/37] block: Add BlockBackendRootState, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 14/37] block: Remove wr_highest_sector from BlockAcctStats, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 17/37] block/throttle-groups: Make incref/decref public, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 15/37] block: Move BlockAcctStats into BlockBackend, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 21/37] block: Prepare remaining BB functions for NULL BDS, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 16/37] block: Move I/O status and error actions into BB, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 22/37] block: Add blk_insert_bs(),
Kevin Wolf <=
- [Qemu-block] [PULL 19/37] block: Make some BB functions fall back to BBRS, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 20/37] block: Fail requests to empty BlockBackend, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 24/37] blockdev: Do not create BDS for empty drive, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 23/37] block: Prepare for NULL BDS, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 27/37] throttle: Remove throttle_group_lock/unlock(), Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 26/37] blockdev: Allow more options for BB-less BDS tree, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 25/37] blockdev: Pull out blockdev option extraction, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 31/37] aio: introduce aio_{disable, enable}_external, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 32/37] block: Introduce "drained begin/end" API, Kevin Wolf, 2015/10/23
- [Qemu-block] [PULL 29/37] nbd: Mark fd handlers client type as "external", Kevin Wolf, 2015/10/23