Displaying 20 results from an estimated 49 matches for "virtio_mq_op".
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virtio_mq_ops
2014 Mar 14
4
[PATCH] virtio-blk: Initialize blkqueue depth from virtqueue size
...t;
---
drivers/block/virtio_blk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index b1cb3f4..863ab02 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -485,7 +485,6 @@ static struct blk_mq_ops virtio_mq_ops = {
static struct blk_mq_reg virtio_mq_reg = {
.ops = &virtio_mq_ops,
.nr_hw_queues = 1,
- .queue_depth = 64,
.numa_node = NUMA_NO_NODE,
.flags = BLK_MQ_F_SHOULD_MERGE,
};
@@ -555,6 +554,7 @@ static int virtblk_probe(struct virtio_device *vdev)
virtio_mq_reg.cmd_size =
sizeof(...
2014 Mar 14
4
[PATCH] virtio-blk: Initialize blkqueue depth from virtqueue size
...t;
---
drivers/block/virtio_blk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index b1cb3f4..863ab02 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -485,7 +485,6 @@ static struct blk_mq_ops virtio_mq_ops = {
static struct blk_mq_reg virtio_mq_reg = {
.ops = &virtio_mq_ops,
.nr_hw_queues = 1,
- .queue_depth = 64,
.numa_node = NUMA_NO_NODE,
.flags = BLK_MQ_F_SHOULD_MERGE,
};
@@ -555,6 +554,7 @@ static int virtblk_probe(struct virtio_device *vdev)
virtio_mq_reg.cmd_size =
sizeof(...
2014 Mar 14
2
[PATCH] virtio-blk: make the queue depth configurable
...at google.com
---
drivers/block/virtio_blk.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6a680d4..0c9e57f 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -481,6 +481,9 @@ static struct blk_mq_ops virtio_mq_ops = {
.free_hctx = blk_mq_free_single_hw_queue,
};
+static int queue_depth = 64;
+module_param(queue_depth, int, 444);
+
static struct blk_mq_reg virtio_mq_reg = {
.ops = &virtio_mq_ops,
.nr_hw_queues = 1,
@@ -551,6 +554,7 @@ static int virtblk_probe(struct virtio_device *vdev)
got...
2014 Mar 14
2
[PATCH] virtio-blk: make the queue depth configurable
...at google.com
---
drivers/block/virtio_blk.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6a680d4..0c9e57f 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -481,6 +481,9 @@ static struct blk_mq_ops virtio_mq_ops = {
.free_hctx = blk_mq_free_single_hw_queue,
};
+static int queue_depth = 64;
+module_param(queue_depth, int, 444);
+
static struct blk_mq_reg virtio_mq_reg = {
.ops = &virtio_mq_ops,
.nr_hw_queues = 1,
@@ -551,6 +554,7 @@ static int virtblk_probe(struct virtio_device *vdev)
got...
2020 Jul 15
3
[PATCH] virtio-blk: check host supplied logical block size
...+++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 980df853ee497..36dda31cc4e96 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -681,6 +681,12 @@ static const struct blk_mq_ops virtio_mq_ops = {
static unsigned int virtblk_queue_depth;
module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
+
+static bool virtblk_valid_block_size(unsigned int blksize)
+{
+ return blksize >= 512 && blksize <= PAGE_SIZE && is_power_of_2(blksize);
+}
+
static int virt...
2020 Jul 15
3
[PATCH] virtio-blk: check host supplied logical block size
...+++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 980df853ee497..36dda31cc4e96 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -681,6 +681,12 @@ static const struct blk_mq_ops virtio_mq_ops = {
static unsigned int virtblk_queue_depth;
module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
+
+static bool virtblk_valid_block_size(unsigned int blksize)
+{
+ return blksize >= 512 && blksize <= PAGE_SIZE && is_power_of_2(blksize);
+}
+
static int virt...
2014 Sep 06
5
[PATCH] virtio_blk: merge S/G list entries by default
...1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 0a58140..311b857 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -634,7 +634,7 @@ static int virtblk_probe(struct virtio_device *vdev)
vblk->tag_set.ops = &virtio_mq_ops;
vblk->tag_set.queue_depth = virtblk_queue_depth;
vblk->tag_set.numa_node = NUMA_NO_NODE;
- vblk->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
+ vblk->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_SG_MERGE;
vblk->tag_set.cmd_size =
sizeof(struct virtblk_req) +
sizeof(struct...
2014 Sep 06
5
[PATCH] virtio_blk: merge S/G list entries by default
...1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 0a58140..311b857 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -634,7 +634,7 @@ static int virtblk_probe(struct virtio_device *vdev)
vblk->tag_set.ops = &virtio_mq_ops;
vblk->tag_set.queue_depth = virtblk_queue_depth;
vblk->tag_set.numa_node = NUMA_NO_NODE;
- vblk->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
+ vblk->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_SG_MERGE;
vblk->tag_set.cmd_size =
sizeof(struct virtblk_req) +
sizeof(struct...
2014 Mar 15
0
[PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor
...vers/block/virtio_blk.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6a680d4..0f70c01 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -481,6 +481,9 @@ static struct blk_mq_ops virtio_mq_ops = {
.free_hctx = blk_mq_free_single_hw_queue,
};
+static int queue_depth = -1;
+module_param(queue_depth, int, 0444);
+
static struct blk_mq_reg virtio_mq_reg = {
.ops = &virtio_mq_ops,
.nr_hw_queues = 1,
@@ -551,9 +554,14 @@ static int virtblk_probe(struct virtio_device *vdev)
g...
2020 Jul 15
2
[PATCH] virtio-blk: check host supplied logical block size
...etions(-)
> >
> > diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> > index 980df853ee497..36dda31cc4e96 100644
> > --- a/drivers/block/virtio_blk.c
> > +++ b/drivers/block/virtio_blk.c
> > @@ -681,6 +681,12 @@ static const struct blk_mq_ops virtio_mq_ops =
> > {
> > static unsigned int virtblk_queue_depth;
> > module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
> >
> > +
> > +static bool virtblk_valid_block_size(unsigned int blksize)
> > +{
> > + return blksize >= 512 &&...
2020 Jul 15
2
[PATCH] virtio-blk: check host supplied logical block size
...etions(-)
> >
> > diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> > index 980df853ee497..36dda31cc4e96 100644
> > --- a/drivers/block/virtio_blk.c
> > +++ b/drivers/block/virtio_blk.c
> > @@ -681,6 +681,12 @@ static const struct blk_mq_ops virtio_mq_ops =
> > {
> > static unsigned int virtblk_queue_depth;
> > module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
> >
> > +
> > +static bool virtblk_valid_block_size(unsigned int blksize)
> > +{
> > + return blksize >= 512 &&...
2014 Mar 15
1
[PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor
...++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
>index 6a680d4..0f70c01 100644
>--- a/drivers/block/virtio_blk.c
>+++ b/drivers/block/virtio_blk.c
>@@ -481,6 +481,9 @@ static struct blk_mq_ops virtio_mq_ops = {
> .free_hctx = blk_mq_free_single_hw_queue,
> };
>
>+static int queue_depth = -1;
>+module_param(queue_depth, int, 0444);
?
>+
> static struct blk_mq_reg virtio_mq_reg = {
> .ops = &virtio_mq_ops,
> .nr_hw_queues = 1,
>@@ -551,9 +554,14 @@ static int vi...
2014 Mar 15
1
[PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor
...++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
>index 6a680d4..0f70c01 100644
>--- a/drivers/block/virtio_blk.c
>+++ b/drivers/block/virtio_blk.c
>@@ -481,6 +481,9 @@ static struct blk_mq_ops virtio_mq_ops = {
> .free_hctx = blk_mq_free_single_hw_queue,
> };
>
>+static int queue_depth = -1;
>+module_param(queue_depth, int, 0444);
?
>+
> static struct blk_mq_reg virtio_mq_reg = {
> .ops = &virtio_mq_ops,
> .nr_hw_queues = 1,
>@@ -551,9 +554,14 @@ static int vi...
2014 Mar 19
2
[PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor
...google.com>
Signed-off-by: Rusty Russell <rusty at rustcorp.com.au>
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index a2db9ed288f2..c101bbc72095 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -491,10 +491,11 @@ static struct blk_mq_ops virtio_mq_ops = {
static struct blk_mq_reg virtio_mq_reg = {
.ops = &virtio_mq_ops,
.nr_hw_queues = 1,
- .queue_depth = 64,
+ .queue_depth = 0, /* Set in virtblk_probe */
.numa_node = NUMA_NO_NODE,
.flags = BLK_MQ_F_SHOULD_MERGE,
};
+module_param_named(queue_depth, virtio_mq_reg.queue_depth, uin...
2014 Mar 19
2
[PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor
...google.com>
Signed-off-by: Rusty Russell <rusty at rustcorp.com.au>
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index a2db9ed288f2..c101bbc72095 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -491,10 +491,11 @@ static struct blk_mq_ops virtio_mq_ops = {
static struct blk_mq_reg virtio_mq_reg = {
.ops = &virtio_mq_ops,
.nr_hw_queues = 1,
- .queue_depth = 64,
+ .queue_depth = 0, /* Set in virtblk_probe */
.numa_node = NUMA_NO_NODE,
.flags = BLK_MQ_F_SHOULD_MERGE,
};
+module_param_named(queue_depth, virtio_mq_reg.queue_depth, uin...
2014 Mar 17
2
[PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor
Theodore Ts'o <tytso at mit.edu> writes:
> The current virtio block sets a queue depth of 64, which is
> insufficient for very fast devices. It has been demonstrated that
> with a high IOPS device, using a queue depth of 256 can double the
> IOPS which can be sustained.
>
> As suggested by Venkatash Srinivas, set the queue depth by default to
> be one half the the
2014 Mar 17
2
[PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor
Theodore Ts'o <tytso at mit.edu> writes:
> The current virtio block sets a queue depth of 64, which is
> insufficient for very fast devices. It has been demonstrated that
> with a high IOPS device, using a queue depth of 256 can double the
> IOPS which can be sustained.
>
> As suggested by Venkatash Srinivas, set the queue depth by default to
> be one half the the
2016 Aug 02
0
[PATCH 0095/1285] Replace numeric parameter like 0444 with macro
...t;
---
drivers/block/virtio_blk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 42758b5..786a393 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -561,7 +561,7 @@ static struct blk_mq_ops virtio_mq_ops = {
};
static unsigned int virtblk_queue_depth;
-module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
+module_param_named(queue_depth, virtblk_queue_depth, uint, S_IRUSR | S_IRGRP | S_IROTH);
static int virtblk_probe(struct virtio_device *vdev)
{
--
2.9.2
2016 Aug 17
0
[PATCH 09/15] virtio-blk: Pass attribute group to device_add_disk
...virtblk_cache_type_show, NULL);
-static const struct device_attribute dev_attr_cache_type_rw =
+static struct device_attribute dev_attr_cache_type_rw =
__ATTR(cache_type, S_IRUGO|S_IWUSR,
virtblk_cache_type_show, virtblk_cache_type_store);
@@ -550,6 +550,26 @@ static struct blk_mq_ops virtio_mq_ops = {
static unsigned int virtblk_queue_depth;
module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
+static struct attribute *virtblk_attrs_ro[] = {
+ &dev_attr_serial.attr,
+ &dev_attr_cache_type_ro.attr,
+ NULL
+};
+
+static struct attribute *virtblk_attrs_rw[] = {
+ &...
2020 Jul 15
0
[PATCH] virtio-blk: check host supplied logical block size
...anged, 18 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> index 980df853ee497..36dda31cc4e96 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -681,6 +681,12 @@ static const struct blk_mq_ops virtio_mq_ops = {
> static unsigned int virtblk_queue_depth;
> module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
>
> +
> +static bool virtblk_valid_block_size(unsigned int blksize)
> +{
> + return blksize >= 512 && blksize <= PAGE_SIZE && is_power_o...