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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2011-03-16 16:29:24 -0400 |
|---|---|---|
| committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2011-11-04 15:53:00 -0400 |
| commit | 19e899b2f9f89f4a290dd5c9c24d15987a18ab21 (patch) | |
| tree | 1a402b9452c3b9d45f6cf73a616ec925d8cfcfbd /drivers/block/nvme.c | |
| parent | fa92282149842645931580225647238428374758 (diff) | |
| download | blackbird-op-linux-19e899b2f9f89f4a290dd5c9c24d15987a18ab21.tar.gz blackbird-op-linux-19e899b2f9f89f4a290dd5c9c24d15987a18ab21.zip | |
NVMe: Remove outdated comments
The head can never overrun the tail since we won't allocate enough command
IDs to let that happen. The status codes are in sync with the spec.
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'drivers/block/nvme.c')
| -rw-r--r-- | drivers/block/nvme.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c index 740a9c1b81aa..d4f95eb51dc1 100644 --- a/drivers/block/nvme.c +++ b/drivers/block/nvme.c @@ -245,7 +245,6 @@ static int nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd) { unsigned long flags; u16 tail; - /* XXX: Need to check tail isn't going to overrun head */ spin_lock_irqsave(&nvmeq->q_lock, flags); tail = nvmeq->sq_tail; memcpy(&nvmeq->sq_cmds[tail], cmd, sizeof(*cmd)); |
