diff options
| author |   Bart Van Assche <bart.vanassche@sandisk.com> | 2015-05-19 16:16:01 +0200 |
|---|---|---|
| committer |   Nicholas Bellinger <nab@linux-iscsi.org> | 2015-06-01 00:25:39 -0700 |
| commit | b3eeea6619a0ed4f37138661c49339b21361d397 (patch) | |
| tree | 68236615b4ab4ac9f3644f244aab35d6077b58a5 /drivers/target/target_core_transport.c | |
| parent | target: simplify backend attribute implementation (diff) | |
| download | linux-dev-b3eeea6619a0ed4f37138661c49339b21361d397.tar.xz linux-dev-b3eeea6619a0ed4f37138661c49339b21361d397.zip | |
target: Simplify LUN shutdown code
Instead of starting a thread from transport_clear_lun_ref() that
waits for LUN shutdown, wait in that function for LUN shutdown
to finish. Additionally, change the return type of
transport_clear_lun_ref() from int to void.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_transport.c')
| -rw-r--r-- | drivers/target/target_core_transport.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 965a308e10a5..7c0518a28186 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2596,31 +2596,10 @@ void target_wait_for_sess_cmds(struct se_session *se_sess) } EXPORT_SYMBOL(target_wait_for_sess_cmds); -static int transport_clear_lun_ref_thread(void *p) +void transport_clear_lun_ref(struct se_lun *lun) { - struct se_lun *lun = p; - percpu_ref_kill(&lun->lun_ref); - wait_for_completion(&lun->lun_ref_comp); - complete(&lun->lun_shutdown_comp); - - return 0; -} - -int transport_clear_lun_ref(struct se_lun *lun) -{ - struct task_struct *kt; - - kt = kthread_run(transport_clear_lun_ref_thread, lun, - "tcm_cl_%u", lun->unpacked_lun); - if (IS_ERR(kt)) { - pr_err("Unable to start clear_lun thread\n"); - return PTR_ERR(kt); - } - wait_for_completion(&lun->lun_shutdown_comp); - - return 0; } /** |