search for: inc_in_flight_req

Displaying 7 results from an estimated 7 matches for "inc_in_flight_req".

Did you mean: dec_in_flight_req
2019 Oct 15
0
[PATCH 4/5] virtiofs: Count pending forgets as in_flight forgets
...s.c index e0fcf3030951..625de45fa471 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -67,6 +67,19 @@ static inline struct fuse_pqueue *vq_to_fpq(struct virtqueue *vq) return &vq_to_fsvq(vq)->fud->pq; } +/* Should be called with fsvq->lock held. */ +static inline void inc_in_flight_req(struct virtio_fs_vq *fsvq) +{ + fsvq->in_flight++; +} + +/* Should be called with fsvq->lock held. */ +static inline void dec_in_flight_req(struct virtio_fs_vq *fsvq) +{ + WARN_ON(fsvq->in_flight <= 0); + fsvq->in_flight--; +} + static void release_virtio_fs_obj(struct kref *ref) {...
2019 Oct 30
0
[PATCH 1/3] virtiofs: Use a common function to send forget
...SPC) { + pr_debug("virtio-fs: Could not queue FORGET: err=%d." + " Will try later\n", ret); + list_add_tail(&forget->list, &fsvq->queued_reqs); + schedule_delayed_work(&fsvq->dispatch_work, + msecs_to_jiffies(1)); + if (!in_flight) + inc_in_flight_req(fsvq); + /* Queue is full */ + ret = 1; + } else { + pr_debug("virtio-fs: Could not queue FORGET: err=%d." + " Dropping it.\n", ret); + kfree(forget); + if (in_flight) + dec_in_flight_req(fsvq); + } + goto out; + } + + if (!in_flight) + inc_in_flight_req(fsv...
2019 Oct 15
7
[PATCH 0/5] virtiofs: Fix couple of deadlocks
Hi, We have couple of places which can result in deadlock. This patch series fixes these. We can be called with fc->bg_lock (for background requests) while submitting a request. This leads to two constraints. - We can't end requests in submitter's context and call fuse_end_request() as it tries to take fc->bg_lock as well. So queue these requests on a list and use a worker to
2023 May 31
1
[PATCH V2] virtio-fs: Improved request latencies when Virtio queue is full
...virtio_fs_vq *fsvq, pr_debug("virtio-fs: Could not queue FORGET: err=%d. Will try later\n", ret); list_add_tail(&forget->list, &fsvq->queued_reqs); - schedule_delayed_work(&fsvq->dispatch_work, - msecs_to_jiffies(1)); if (!in_flight) inc_in_flight_req(fsvq); /* Queue is full */ @@ -469,7 +468,7 @@ static void virtio_fs_hiprio_dispatch_work(struct work_struct *work) { struct virtio_fs_forget *forget; struct virtio_fs_vq *fsvq = container_of(work, struct virtio_fs_vq, - dispatch_work.work); + dispatch_work); pr_debug("v...
2023 Jul 03
2
[PATCH V4] virtio-fs: Improved request latencies when Virtio queue is full
...virtio_fs_vq *fsvq, pr_debug("virtio-fs: Could not queue FORGET: err=%d. Will try later\n", ret); list_add_tail(&forget->list, &fsvq->queued_reqs); - schedule_delayed_work(&fsvq->dispatch_work, - msecs_to_jiffies(1)); if (!in_flight) inc_in_flight_req(fsvq); /* Queue is full */ @@ -469,7 +468,7 @@ static void virtio_fs_hiprio_dispatch_work(struct work_struct *work) { struct virtio_fs_forget *forget; struct virtio_fs_vq *fsvq = container_of(work, struct virtio_fs_vq, - dispatch_work.work); + dispatch_work); pr_debug("v...
2019 Oct 30
6
[PATCH 0/3] virtiofs: Small Cleanups for 5.5
Hi Miklos, Here are few small cleanups for virtiofs for 5.5. I had received some comments from Michael Tsirkin on original virtiofs patches and these cleanups are result of these comments. Thanks Vivek Vivek Goyal (3): virtiofs: Use a common function to send forget virtiofs: Do not send forget request "struct list_head" element virtiofs: Use completions while waiting for queue
2023 May 22
1
[PATCH] virtio-fs: Improved request latencies when Virtio queue is full
...virtio_fs_vq *fsvq, pr_debug("virtio-fs: Could not queue FORGET: err=%d. Will try later\n", ret); list_add_tail(&forget->list, &fsvq->queued_reqs); - schedule_delayed_work(&fsvq->dispatch_work, - msecs_to_jiffies(1)); if (!in_flight) inc_in_flight_req(fsvq); /* Queue is full */ @@ -647,6 +645,8 @@ static void virtio_fs_requests_done_work(struct work_struct *work) virtio_fs_request_complete(req, fsvq); } } + + schedule_delayed_work(&fsvq->dispatch_work, 0); } /* Virtqueue interrupt handler */ @@ -1254,8 +1254,6 @@ __releas...