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| author | Frank Blaschka <frank.blaschka@de.ibm.com> | 2011-12-19 22:56:35 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-20 14:05:04 -0500 |
| commit | 3f36b890dea7c2fc2fe25fb507552a46a226048a (patch) | |
| tree | 692b10c0a64af8ed7585fd540b786318122ca29b /drivers/s390/net | |
| parent | 08e3356cc2c0ce8f3359b3d2636c897ac71240ce (diff) | |
| download | linux-3f36b890dea7c2fc2fe25fb507552a46a226048a.tar.gz | |
qeth: improve recovery during resource shortage
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index fff57de78943..680040572bcb 100644 --- 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 qeth_card *card, unsigned long thread) 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(struct work_struct *work) 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) |