From: frank.blaschka@de.ibm.com
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org
Subject: [patch 09/10] [PATCH] qeth: improve recovery during resource shortage
Date: Tue, 20 Dec 2011 09:56:35 +0100 [thread overview]
Message-ID: <20111220085736.446526376@de.ibm.com> (raw)
In-Reply-To: 20111220085626.924756639@de.ibm.com
[-- Attachment #1: 610-qeth-resource-shortage.diff --]
[-- Type: text/plain, Size: 1372 bytes --]
From: Frank Blaschka <frank.blaschka@de.ibm.com>
In case there are no system resources to run a recovery we have to clear
recovery bitmasks so a further automatic or manual driven recovery can
fix up the device.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
---
drivers/s390/net/qeth_core_main.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1329,6 +1329,7 @@ static int qeth_do_start_thread(struct q
static void qeth_start_kernel_thread(struct work_struct *work)
{
+ struct task_struct *ts;
struct qeth_card *card = container_of(work, struct qeth_card,
kernel_thread_starter);
QETH_CARD_TEXT(card , 2, "strthrd");
@@ -1336,9 +1337,15 @@ static void qeth_start_kernel_thread(str
if (card->read.state != CH_STATE_UP &&
card->write.state != CH_STATE_UP)
return;
- if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
- kthread_run(card->discipline.recover, (void *) card,
+ if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) {
+ ts = kthread_run(card->discipline.recover, (void *)card,
"qeth_recover");
+ if (IS_ERR(ts)) {
+ qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
+ qeth_clear_thread_running_bit(card,
+ QETH_RECOVER_THREAD);
+ }
+ }
}
static int qeth_setup_card(struct qeth_card *card)
next prev parent reply other threads:[~2011-12-20 8:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-20 8:56 [patch 00/10] s390: network driver features and fixes for net-next frank.blaschka
2011-12-20 8:56 ` [patch 01/10] [PATCH] af_iucv: support ancillary data with HS transport frank.blaschka
2011-12-20 8:56 ` [patch 02/10] [PATCH] af_iucv: accelerate close for " frank.blaschka
2011-12-20 8:56 ` [patch 03/10] [PATCH] af_iucv: release reference to HS device frank.blaschka
2011-12-20 8:56 ` [patch 04/10] [PATCH] af_iucv: remove unused timer infrastructure frank.blaschka
2011-12-20 8:56 ` [patch 05/10] [PATCH] af_iucv: get rid of state IUCV_SEVERED frank.blaschka
2011-12-20 8:56 ` [patch 06/10] [PATCH] qeth: suspicious rcu_dereference_check in recovery frank.blaschka
2011-12-20 8:56 ` [patch 07/10] [PATCH] qeth: forbid recovery during shutdown frank.blaschka
2011-12-20 8:56 ` [patch 08/10] [PATCH] netiucv: allow multiple interfaces to same peer frank.blaschka
2011-12-20 8:56 ` frank.blaschka [this message]
2011-12-20 8:56 ` [patch 10/10] [PATCH] qeth: recovery through asynchronous delivery frank.blaschka
2011-12-20 19:05 ` [patch 00/10] s390: network driver features and fixes for net-next David Miller
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