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ceph: single workqueue for inode related works

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We have three workqueue for inode works. Later patch will introduce
one more work for inode. It's not good to introcuce more workqueue
and add more 'struct work_struct' to 'struct ceph_inode_info'.

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 2019-05-18 11:18:44 +08:00 • committed by Ilya Dryomov
parent f2c7c76c5d
commit 1cf89a8dee
4 changed files with 74 additions and 97 deletions
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28
fs/ceph/super.c
View file

@ -672,18 +672,12 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,
* The number of concurrent works can be high but they don't need
* to be processed in parallel, limit concurrency.
*/
fsc->wb_wq = alloc_workqueue("ceph-writeback", 0, 1);
if (!fsc->wb_wq)
fsc->inode_wq = alloc_workqueue("ceph-inode", WQ_UNBOUND, 0);
if (!fsc->inode_wq)
goto fail_client;
fsc->pg_inv_wq = alloc_workqueue("ceph-pg-invalid", 0, 1);
if (!fsc->pg_inv_wq)
goto fail_wb_wq;
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;
goto fail_inode_wq;
/* set up mempools */
err = -ENOMEM;
@ -697,12 +691,8 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,
fail_cap_wq:
destroy_workqueue(fsc->cap_wq);
fail_trunc_wq:
destroy_workqueue(fsc->trunc_wq);
fail_pg_inv_wq:
destroy_workqueue(fsc->pg_inv_wq);
fail_wb_wq:
destroy_workqueue(fsc->wb_wq);
fail_inode_wq:
destroy_workqueue(fsc->inode_wq);
fail_client:
ceph_destroy_client(fsc->client);
fail:
@ -715,9 +705,7 @@ fail:
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->inode_wq);
flush_workqueue(fsc->cap_wq);
}
@ -725,9 +713,7 @@ static void destroy_fs_client(struct ceph_fs_client *fsc)
{
dout("destroy_fs_client %p\n", fsc);
destroy_workqueue(fsc->wb_wq);
destroy_workqueue(fsc->pg_inv_wq);
destroy_workqueue(fsc->trunc_wq);
destroy_workqueue(fsc->inode_wq);
destroy_workqueue(fsc->cap_wq);
mempool_destroy(fsc->wb_pagevec_pool);