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| author | Peter Maydell <peter.maydell@linaro.org> | 2020-10-09 13:20:46 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-10-09 13:20:46 +0100 |
| commit | b7092cda1b36ce687e65ab1831346f9529b781b8 (patch) | |
| tree | 50a7bf08af03d1f2c17392ef48c80a56380d2397 /blockdev.c | |
| parent | 497d415d76b9f59fcae27f22df1ca2c3fa4df64e (diff) | |
| parent | eb94b81a94bce112e6b206df846c1551aaf6cab6 (diff) | |
| download | focaccia-qemu-b7092cda1b36ce687e65ab1831346f9529b781b8.tar.gz focaccia-qemu-b7092cda1b36ce687e65ab1831346f9529b781b8.zip | |
Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2020-10-09' into staging
Monitor patches for 2020-10-09 # gpg: Signature made Fri 09 Oct 2020 06:16:51 BST # gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653 # gpg: issuer "armbru@redhat.com" # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full] # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-monitor-2020-10-09: block: Convert 'block_resize' to coroutine block: Add bdrv_lock()/unlock() block: Add bdrv_co_enter()/leave() util/async: Add aio_co_reschedule_self() hmp: Add support for coroutine command handlers qmp: Move dispatcher to a coroutine qapi: Add a 'coroutine' flag for commands monitor: Make current monitor a per-coroutine property qmp: Call monitor_set_cur() only in qmp_dispatch() qmp: Assert that no other monitor is active hmp: Update current monitor only in handle_hmp_command() monitor: Use getter/setter functions for cur_mon monitor: Add Monitor parameter to monitor_get_cpu_index() monitor: Add Monitor parameter to monitor_set_cpu() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/blockdev.c b/blockdev.c index a6ae475dac..fe6fb5dc1d 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2449,14 +2449,14 @@ BlockDirtyBitmapSha256 *qmp_x_debug_block_dirty_bitmap_sha256(const char *node, return ret; } -void qmp_block_resize(bool has_device, const char *device, - bool has_node_name, const char *node_name, - int64_t size, Error **errp) +void coroutine_fn qmp_block_resize(bool has_device, const char *device, + bool has_node_name, const char *node_name, + int64_t size, Error **errp) { Error *local_err = NULL; BlockBackend *blk = NULL; BlockDriverState *bs; - AioContext *aio_context; + AioContext *old_ctx; bs = bdrv_lookup_bs(has_device ? device : NULL, has_node_name ? node_name : NULL, @@ -2466,9 +2466,6 @@ void qmp_block_resize(bool has_device, const char *device, return; } - aio_context = bdrv_get_aio_context(bs); - aio_context_acquire(aio_context); - if (size < 0) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "size", "a >0 size"); goto out; @@ -2485,12 +2482,15 @@ void qmp_block_resize(bool has_device, const char *device, } bdrv_drained_begin(bs); + old_ctx = bdrv_co_enter(bs); blk_truncate(blk, size, false, PREALLOC_MODE_OFF, 0, errp); + bdrv_co_leave(bs, old_ctx); bdrv_drained_end(bs); out: + bdrv_co_lock(bs); blk_unref(blk); - aio_context_release(aio_context); + bdrv_co_unlock(bs); } void qmp_block_stream(bool has_job_id, const char *job_id, const char *device, |