Displaying 20 results from an estimated 32 matches for "new_seg".
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2012 Jun 18
13
[PATCH v2 0/3] Improve virtio-blk performance
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16%
latency improvement for sequential read/write, random read/write respectively.
Asias He (3):
block: Introduce __blk_segment_map_sg() helper
block: Add blk_bio_map_sg() helper
virtio-blk: Add bio-based IO path for virtio-blk
2012 Jun 18
13
[PATCH v2 0/3] Improve virtio-blk performance
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16%
latency improvement for sequential read/write, random read/write respectively.
Asias He (3):
block: Introduce __blk_segment_map_sg() helper
block: Add blk_bio_map_sg() helper
virtio-blk: Add bio-based IO path for virtio-blk
2012 Jul 13
5
[PATCH V3 0/3] Improve virtio-blk performance
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows bio-based IO path gives the following performance improvement:
1) Ramdisk device
With bio-based IO path, sequential read/write, random read/write
IOPS boost : 28%, 24%, 21%, 16%
Latency improvement: 32%, 17%, 21%, 16%
2) Fusion IO device
With bio-based IO path, sequential
2012 Jul 13
5
[PATCH V3 0/3] Improve virtio-blk performance
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows bio-based IO path gives the following performance improvement:
1) Ramdisk device
With bio-based IO path, sequential read/write, random read/write
IOPS boost : 28%, 24%, 21%, 16%
Latency improvement: 32%, 17%, 21%, 16%
2) Fusion IO device
With bio-based IO path, sequential
2012 Jun 13
4
[PATCH RFC 0/2] Improve virtio-blk performance
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16%
latency improvement for sequential read/write, random read/write respectively.
Asias He (2):
block: Add blk_bio_map_sg() helper
virtio-blk: Add bio-based IO path for virtio-blk
block/blk-merge.c | 63 ++++++++++++++
2012 Jun 13
4
[PATCH RFC 0/2] Improve virtio-blk performance
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16%
latency improvement for sequential read/write, random read/write respectively.
Asias He (2):
block: Add blk_bio_map_sg() helper
virtio-blk: Add bio-based IO path for virtio-blk
block/blk-merge.c | 63 ++++++++++++++
2012 Aug 02
9
[PATCH V5 0/4] Improve virtio-blk performance
Hi folks,
This version added REQ_FLUSH and REQ_FUA support as suggested by Christoph and
rebased against latest linus's tree.
Jens, could you please consider picking up the dependencies 1/4 and 2/4 in your
tree. Thanks!
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows bio-based IO path gives the following performance improvement:
1) Ramdisk
2012 Aug 02
9
[PATCH V5 0/4] Improve virtio-blk performance
Hi folks,
This version added REQ_FLUSH and REQ_FUA support as suggested by Christoph and
rebased against latest linus's tree.
Jens, could you please consider picking up the dependencies 1/4 and 2/4 in your
tree. Thanks!
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows bio-based IO path gives the following performance improvement:
1) Ramdisk
2013 Mar 27
0
[PATCH 04/22] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Mar 27
0
[PATCH 04/22] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Aug 07
0
[PATCH 07/22] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Aug 07
0
[PATCH 07/22] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Aug 07
0
[PATCH 07/22] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Oct 29
0
[PATCH 07/23] block: Convert bio_for_each_segment() to bvec_iter
..._segment(bv, bio, iter) {
/*
* the trick here is making sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
- if (high || highprv)
- goto new_segment;
- if (cluster) {
- if (seg_size + bv->bv_len
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
+ if (!high && !highprv && cluster) {
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEAB...
2013 Oct 29
0
[PATCH 07/23] block: Convert bio_for_each_segment() to bvec_iter
..._segment(bv, bio, iter) {
/*
* the trick here is making sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
- if (high || highprv)
- goto new_segment;
- if (cluster) {
- if (seg_size + bv->bv_len
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
+ if (!high && !highprv && cluster) {
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEAB...
2013 Oct 29
0
[PATCH 07/23] block: Convert bio_for_each_segment() to bvec_iter
..._segment(bv, bio, iter) {
/*
* the trick here is making sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
- if (high || highprv)
- goto new_segment;
- if (cluster) {
- if (seg_size + bv->bv_len
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
+ if (!high && !highprv && cluster) {
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEAB...
2013 Jun 09
0
[PATCH 06/26] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Jun 09
0
[PATCH 06/26] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Jun 09
0
[PATCH 06/26] block: Convert bio_for_each_segment() to bvec_iter
...ing sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
if (high || highprv)
goto new_segment;
if (cluster) {
- if (seg_size + bv->bv_len
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEABLE(bvprv, bv))
+ if (!BIOVEC_PHYS_MERGEABLE(&bvprv, &bv))
goto new_segment;
- if (!BIOVEC_SEG_BOU...
2013 Nov 27
0
[PATCH 07/25] block: Convert bio_for_each_segment() to bvec_iter
..._segment(bv, bio, iter) {
/*
* the trick here is making sure that a high page is
* never considered part of another segment, since that
* might change with the bounce page.
*/
- high = page_to_pfn(bv->bv_page) > queue_bounce_pfn(q);
- if (high || highprv)
- goto new_segment;
- if (cluster) {
- if (seg_size + bv->bv_len
+ high = page_to_pfn(bv.bv_page) > queue_bounce_pfn(q);
+ if (!high && !highprv && cluster) {
+ if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
- if (!BIOVEC_PHYS_MERGEAB...