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[Qemu-devel] [PATCH 03/15] trace: Trace bdrv_set_locked()
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 03/15] trace: Trace bdrv_set_locked() |
Date: |
Thu, 7 Apr 2011 16:49:12 +0200 |
From: Stefan Hajnoczi <address@hidden>
It can be handy to know when the guest locks/unlocks the CD-ROM tray.
This trace event makes that possible.
Signed-off-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block.c | 2 ++
trace-events | 1 +
2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index c93ec6d..d8da3b0 100644
--- a/block.c
+++ b/block.c
@@ -2817,6 +2817,8 @@ void bdrv_set_locked(BlockDriverState *bs, int locked)
{
BlockDriver *drv = bs->drv;
+ trace_bdrv_set_locked(bs, locked);
+
bs->locked = locked;
if (drv && drv->bdrv_set_locked) {
drv->bdrv_set_locked(bs, locked);
diff --git a/trace-events b/trace-events
index 06efdb7..703b745 100644
--- a/trace-events
+++ b/trace-events
@@ -54,6 +54,7 @@ disable bdrv_aio_multiwrite_latefail(void *mcb, int i) "mcb
%p i %d"
disable bdrv_aio_flush(void *bs, void *opaque) "bs %p opaque %p"
disable bdrv_aio_readv(void *bs, int64_t sector_num, int nb_sectors, void
*opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"
disable bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void
*opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"
+disable bdrv_set_locked(void *bs, int locked) "bs %p locked %d"
# hw/virtio-blk.c
disable virtio_blk_req_complete(void *req, int status) "req %p status %d"
--
1.7.2.3
- [Qemu-devel] [PULL 00/15] Block patches, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 02/15] Do not delete BlockDriverState when deleting the drive, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 03/15] trace: Trace bdrv_set_locked(),
Kevin Wolf <=
- [Qemu-devel] [PATCH 01/15] hw/xen_disk: ioreq not finished on error, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 04/15] block: Do not cache device size for removable media, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 05/15] qemu-img: Initial progress printing support, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 06/15] qemu-img rebase: Fix segfault if backing file can't be opened, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 07/15] exit if -drive specified is invalid instead of ignoring the "wrong" -drive, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 08/15] ide: consolidate drive_get(IF_IDE), Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 10/15] Set errno=ENOTSUP for attempts to use UNIX sockets on Windows platforms, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 12/15] NBD device: Separate out parsing configuration and opening sockets., Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 14/15] Fix integer overflow in block migration bandwidth calculation, Kevin Wolf, 2011/04/07
- [Qemu-devel] [PATCH 11/15] NBD: Use qemu_socket functions to open TCP and UNIX sockets, Kevin Wolf, 2011/04/07