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authorChristoph Hellwig <hch@lst.de>2020-08-14 10:30:50 +0200
committerChristoph Hellwig <hch@lst.de>2021-04-15 08:12:54 +0200
commita5d737f10022bd5d2acf5127935ff813fc832f6e (patch)
treed60b4f5d44825c3da4b239de29d435c353695381 /drivers/nvme
parentd7790d3739cfd5051ba8990732a2dce795d4fae2 (diff)
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nvme: factor out a nvme_ns_ioctl helper
Factor out a helper for the namespace based ioctls. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Javier González <javier.gonz@samsung.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c42
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 2e932935e05e..85acb9f608cd 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1783,6 +1783,26 @@ static int nvme_handle_ctrl_ioctl(struct nvme_ns *ns, unsigned int cmd,
return ret;
}
+static int nvme_ns_ioctl(struct nvme_ns *ns, unsigned int cmd,
+ void __user *argp)
+{
+ switch (cmd) {
+ case NVME_IOCTL_ID:
+ force_successful_syscall_return();
+ return ns->head->ns_id;
+ case NVME_IOCTL_IO_CMD:
+ return nvme_user_cmd(ns->ctrl, ns, argp);
+ case NVME_IOCTL_SUBMIT_IO:
+ return nvme_submit_io(ns, argp);
+ case NVME_IOCTL_IO64_CMD:
+ return nvme_user_cmd64(ns->ctrl, ns, argp);
+ default:
+ if (!ns->ndev)
+ return -ENOTTY;
+ return nvme_nvm_ioctl(ns, cmd, argp);
+ }
+}
+
static int nvme_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
@@ -1803,27 +1823,7 @@ static int nvme_ioctl(struct block_device *bdev, fmode_t mode,
if (is_ctrl_ioctl(cmd))
return nvme_handle_ctrl_ioctl(ns, cmd, argp, head, srcu_idx);
- switch (cmd) {
- case NVME_IOCTL_ID:
- force_successful_syscall_return();
- ret = ns->head->ns_id;
- break;
- case NVME_IOCTL_IO_CMD:
- ret = nvme_user_cmd(ns->ctrl, ns, argp);
- break;
- case NVME_IOCTL_SUBMIT_IO:
- ret = nvme_submit_io(ns, argp);
- break;
- case NVME_IOCTL_IO64_CMD:
- ret = nvme_user_cmd64(ns->ctrl, ns, argp);
- break;
- default:
- if (ns->ndev)
- ret = nvme_nvm_ioctl(ns, cmd, argp);
- else
- ret = -ENOTTY;
- }
-
+ ret = nvme_ns_ioctl(ns, cmd, argp);
nvme_put_ns_from_disk(head, srcu_idx);
return ret;
}