diff options
| author | Pradeep Jagadeesh | 2017-02-28 10:31:46 +0100 |
|---|---|---|
| committer | Greg Kurz | 2017-02-28 10:31:46 +0100 |
| commit | b8bbdb886ebf9cce631e5e792b328eed98511a38 (patch) | |
| tree | 620c593e2fe87f96d2d9ef6952bb8f9df2498c03 /hw/9pfs/cofile.c | |
| parent | 9pfs: fix v9fs_lock error case (diff) | |
| download | qemu-b8bbdb886ebf9cce631e5e792b328eed98511a38.tar.gz qemu-b8bbdb886ebf9cce631e5e792b328eed98511a38.tar.xz qemu-b8bbdb886ebf9cce631e5e792b328eed98511a38.zip | |
fsdev: add IO throttle support to fsdev devices
This patchset adds the throttle support for the 9p-local driver.
For now this functionality can be enabled only through qemu cli options.
QMP interface and support to other drivers need further extensions.
To make it simple for other 9p drivers, the throttle code has been put in
separate files.
Signed-off-by: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
(pass extra NULL CoMutex * argument to qemu_co_queue_wait(),
added options to qemu-options.hx, Greg Kurz)
Signed-off-by: Greg Kurz <groug@kaod.org>
Diffstat (limited to 'hw/9pfs/cofile.c')
| -rw-r--r-- | hw/9pfs/cofile.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index 120e267108..88791bc327 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -247,6 +247,7 @@ int coroutine_fn v9fs_co_pwritev(V9fsPDU *pdu, V9fsFidState *fidp, if (v9fs_request_cancelled(pdu)) { return -EINTR; } + fsdev_co_throttle_request(s->ctx.fst, true, iov, iovcnt); v9fs_co_run_in_worker( { err = s->ops->pwritev(&s->ctx, &fidp->fs, iov, iovcnt, offset); @@ -266,6 +267,7 @@ int coroutine_fn v9fs_co_preadv(V9fsPDU *pdu, V9fsFidState *fidp, if (v9fs_request_cancelled(pdu)) { return -EINTR; } + fsdev_co_throttle_request(s->ctx.fst, false, iov, iovcnt); v9fs_co_run_in_worker( { err = s->ops->preadv(&s->ctx, &fidp->fs, iov, iovcnt, offset); |