diff options
| author |   Dan Williams <dan.j.williams@intel.com> | 2015-10-21 13:20:07 -0400 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2015-10-21 14:43:39 -0600 |
| commit | 4cfc766e07a5ed709a9d5289c8644fe78e9f24de (patch) | |
| tree | 33bd0040fb645d7ab96d7b61b308bdd1c75c5041 /drivers/nvme | |
| parent | md: suspend i/o during runtime blk_integrity_unregister (diff) | |
| download | linux-dev-4cfc766e07a5ed709a9d5289c8644fe78e9f24de.tar.xz linux-dev-4cfc766e07a5ed709a9d5289c8644fe78e9f24de.zip | |
nvme: suspend i/o during runtime blk_integrity_unregister
Synchronize pending i/o against a change in the integrity profile to
avoid the possibility of spurious integrity errors.
Cc: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Keith Busch <keith.busch@intel.com>
[keith: also protect dynamic integrity registration]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/pci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index ad06f8dcf582..4757a2c9366e 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2035,6 +2035,7 @@ static int nvme_revalidate_disk(struct gendisk *disk) pi_type = ns->ms == sizeof(struct t10_pi_tuple) ? id->dps & NVME_NS_DPS_PI_MASK : 0; + blk_mq_freeze_queue(disk->queue); if (blk_get_integrity(disk) && (ns->pi_type != pi_type || ns->ms != old_ms || bs != queue_logical_block_size(disk->queue) || @@ -2054,6 +2055,7 @@ static int nvme_revalidate_disk(struct gendisk *disk) if (dev->oncs & NVME_CTRL_ONCS_DSM) nvme_config_discard(ns); + blk_mq_unfreeze_queue(disk->queue); kfree(id); return 0; |