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| author | Peter Maydell <peter.maydell@linaro.org> | 2014-06-09 11:54:22 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-06-09 11:54:22 +0100 |
| commit | 5dfc05cb1d342f081df7009703559b29dadc33e9 (patch) | |
| tree | 1d0e5aed31482994d4e16d00e33b3f262e2ecade /blockdev.c | |
| parent | 959e41473f2179850578482052fb73b913bc4e42 (diff) | |
| parent | 2e95fa17196aa12e7e522925ad420000162153d0 (diff) | |
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request
# gpg: Signature made Fri 06 Jun 2014 17:08:50 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request: (42 commits)
qapi: Extract qapi/block.json definitions
qapi: Extract qapi/block-core.json definitions
qapi: create two block related json modules
qapi: Extract qapi/common.json definitions
sheepdog: reload only header in a case of live snapshot
sheepdog: fix vdi object update after live snapshot
rbd: Fix leaks in rbd_start_aio() error path
qemu-img: Document check exit codes
block: fix wrong order in live block migration setup
blockdev: acquire AioContext in block_set_io_throttle
throttle: add detach/attach test case
throttle: add throttle_detach/attach_aio_context()
dataplane: Support VIRTIO_BLK_T_SCSI_CMD
virtio-blk: Factor out virtio_blk_handle_scsi_req from virtio_blk_handle_scsi
virtio-blk: Allow config-wce in dataplane
block: Move declaration of bdrv_get_aio_context to block.h
raw-posix: drop raw_get_aio_fd() since it is no longer used
dataplane: implement async flush
dataplane: delete IOQueue since it is no longer used
dataplane: use the QEMU block layer for I/O
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c index 9b5261b765..4cbcc56b5e 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1703,6 +1703,7 @@ void qmp_block_set_io_throttle(const char *device, int64_t bps, int64_t bps_rd, { ThrottleConfig cfg; BlockDriverState *bs; + AioContext *aio_context; bs = bdrv_find(device); if (!bs) { @@ -1746,6 +1747,9 @@ void qmp_block_set_io_throttle(const char *device, int64_t bps, int64_t bps_rd, return; } + aio_context = bdrv_get_aio_context(bs); + aio_context_acquire(aio_context); + if (!bs->io_limits_enabled && throttle_enabled(&cfg)) { bdrv_io_limits_enable(bs); } else if (bs->io_limits_enabled && !throttle_enabled(&cfg)) { @@ -1755,6 +1759,8 @@ void qmp_block_set_io_throttle(const char *device, int64_t bps, int64_t bps_rd, if (bs->io_limits_enabled) { bdrv_set_io_limits(bs, &cfg); } + + aio_context_release(aio_context); } int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data) |