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ceph: send cap releases more aggressively

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When pending cap releases fill up one message, start a work to send
cap release message. (old way is sending cap releases every 5 seconds)

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng
2019-01-14 17:21:19 +08:00
committed by Ilya Dryomov
parent 08796873a5
commit e3ec8d6898
6 changed files with 83 additions and 34 deletions
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9
fs/ceph/super.c
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@@ -671,6 +671,9 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,
fsc->trunc_wq = alloc_workqueue("ceph-trunc", 0, 1);
if (!fsc->trunc_wq)
goto fail_pg_inv_wq;
fsc->cap_wq = alloc_workqueue("ceph-cap", 0, 1);
if (!fsc->cap_wq)
goto fail_trunc_wq;
/* set up mempools */
err = -ENOMEM;
@@ -678,13 +681,15 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,
size = sizeof (struct page *) * (page_count ? page_count : 1);
fsc->wb_pagevec_pool = mempool_create_kmalloc_pool(10, size);
if (!fsc->wb_pagevec_pool)
goto fail_trunc_wq;
goto fail_cap_wq;
/* caps */
fsc->min_caps = fsopt->max_readdir;
return fsc;
fail_cap_wq:
destroy_workqueue(fsc->cap_wq);
fail_trunc_wq:
destroy_workqueue(fsc->trunc_wq);
fail_pg_inv_wq:
@@ -706,6 +711,7 @@ static void flush_fs_workqueues(struct ceph_fs_client *fsc)
flush_workqueue(fsc->wb_wq);
flush_workqueue(fsc->pg_inv_wq);
flush_workqueue(fsc->trunc_wq);
flush_workqueue(fsc->cap_wq);
}
static void destroy_fs_client(struct ceph_fs_client *fsc)
@@ -715,6 +721,7 @@ static void destroy_fs_client(struct ceph_fs_client *fsc)
destroy_workqueue(fsc->wb_wq);
destroy_workqueue(fsc->pg_inv_wq);
destroy_workqueue(fsc->trunc_wq);
destroy_workqueue(fsc->cap_wq);
mempool_destroy(fsc->wb_pagevec_pool);