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| author |   Christoph Hellwig <hch@lst.de> | 2015-12-24 15:27:00 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2016-01-12 13:30:13 -0700 |
| commit | 69d3b8ac15a5eb938e6a01909f6cc8ae4b5d3a17 (patch) | |
| tree | 0c845f04ca4d0cc841e4ec215b932554231cc72b /drivers/nvme/host/nvme.h | |
| parent | nvme: Move nvme_freeze/unfreeze_queues to nvme core (diff) | |
| download | linux-dev-69d3b8ac15a5eb938e6a01909f6cc8ae4b5d3a17.tar.xz linux-dev-69d3b8ac15a5eb938e6a01909f6cc8ae4b5d3a17.zip | |
nvme: synchronize access to ctrl->namespaces
Currently traversal and modification of ctrl->namespaces happens completely
unsynchronized, which can be fixed by the addition of a simple mutex.
Note: nvme_dev_ioctl will be handled in the next patch.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 0da67474ce6d..44375923bd6a 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -69,6 +69,7 @@ struct nvme_ctrl { int instance; struct blk_mq_tag_set *tagset; struct list_head namespaces; + struct mutex namespaces_mutex; struct device *device; /* char device */ struct list_head node; |