The commit is pushed to "branch-rh8-4.18.0-240.1.1.vz8.5.x-ovz" and will appear
at https://src.openvz.org/scm/ovz/vzkernel.git
after rh8-4.18.0-240.1.1.vz8.5.44
------>
commit 9f0138d3e3ee35a6f7a393985ee40bc65ef98312
Author: Kirill Tkhai <[email protected]>
Date: Thu Jun 17 19:01:07 2021 +0300
ploop: Make fsync work be able to run in parallel with main work
This should improve performace. Also, this is required
for next patch.
Signed-off-by: Kirill Tkhai <[email protected]>
=====================
Patchset description:
ploop: Allow to resubmit partially completed request
This allows to continue submitting partially completed requests.
https://jira.sw.ru/browse/PSBM-127225
Kirill Tkhai (18):
ploop: Simplify ploop_write_cluster_sync()
ploop: Rename hook->pio, h->pio, ploop_cow::hook->aux_pio
ploop: Rename force_link_inflight_bios
ploop: Introduce separate lock for inflight pios
ploop: Use hlist instead of rbtree
ploop: Always link submitted pios
ploop: Unexport ploop_inflight_bios_ref_switch()
ploop: Refactor submit_pio()
ploop: Introduce ploop_suspend_submitting_pios
ploop: Refactor ploop_ctr()
ploop: Use ploop_call_rw_iter() in submit_delta_read()
ploop: Generalize submit_rw_mapped()
ploop: Kill submit_delta_read()
ploop: Rename submit_rw_mapped()
ploop: Extract submit_rw_mapped() to separate function
ploop: Save level before submitting pio
ploop: Make fsync work be able to run in parallel with main work
ploop: Introduce resubmitting partially completed pios
Signed-off-by: Kirill Tkhai <[email protected]>
---
drivers/md/dm-ploop-target.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/md/dm-ploop-target.c b/drivers/md/dm-ploop-target.c
index aa6b576b93b1..9e173f5d8d0c 100644
--- a/drivers/md/dm-ploop-target.c
+++ b/drivers/md/dm-ploop-target.c
@@ -279,6 +279,7 @@ static int ploop_ctr(struct dm_target *ti, unsigned int
argc, char **argv)
{
percpu_ref_func_t *release;
struct ploop *ploop;
+ unsigned int flags;
int i, ret;
if (argc < 2)
@@ -325,7 +326,8 @@ static int ploop_ctr(struct dm_target *ti, unsigned int
argc, char **argv)
}
}
- ploop->wq = alloc_ordered_workqueue("dm-" DM_MSG_PREFIX,
WQ_MEM_RECLAIM);
+ flags = WQ_MEM_RECLAIM|WQ_HIGHPRI|WQ_UNBOUND;
+ ploop->wq = alloc_workqueue("dm-" DM_MSG_PREFIX, flags, 0);
if (!ploop->wq) {
ret = -ENOMEM;
goto err;
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