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lightnvm: handle submit_io failure

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The device ->submit_io() callback might fail to submit I/O to device.
In that case, the nvm_submit_ppa function should not wait for
completion. Instead return the ->submit_io() error.

Reviewed by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Matias Bjørling 2016-05-06 20:02:55 +02:00 committed by Jens Axboe
parent 57aac2f1be
commit ecfb40c6aa
1 changed files with 5 additions and 0 deletions
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5
drivers/lightnvm/core.c
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@ -351,6 +351,11 @@ int nvm_submit_ppa(struct nvm_dev *dev, struct ppa_addr *ppa, int nr_ppas,
nvm_generic_to_addr_mode(dev, &rqd);
ret = dev->ops->submit_io(dev, &rqd);
if (ret) {
nvm_free_rqd_ppalist(dev, &rqd);
bio_put(bio);
return ret;
}
/* Prevent hang_check timer from firing at us during very long I/O */
hang_check = sysctl_hung_task_timeout_secs;