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authorChristoph Hellwig <hch@lst.de>2021-04-07 14:36:47 +0200
committerChristoph Hellwig <hch@lst.de>2021-04-15 08:12:55 +0200
commitf5b9a51db29c31f4e486b08d1d823d6f75f2c2c7 (patch)
tree16fdd3fc81075e9c8bda9a13c3e11203d26625b1 /drivers/nvme/host
parent1496bd4936d215fed40b008e9486c38e6acf01db (diff)
nvme: factor out nvme_ns_open and nvme_ns_release helpers
These will be reused for the per-namespace character devices. 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/host')
-rw-r--r--drivers/nvme/host/core.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index b1f8d94bbe09..ded60d50fc56 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1483,9 +1483,8 @@ void nvme_put_ns_from_disk(struct nvme_ns_head *head, int idx)
srcu_read_unlock(&head->srcu, idx);
}
-static int nvme_open(struct block_device *bdev, fmode_t mode)
+static int nvme_ns_open(struct nvme_ns *ns)
{
- struct nvme_ns *ns = bdev->bd_disk->private_data;
/* should never be called due to GENHD_FL_HIDDEN */
if (WARN_ON_ONCE(nvme_ns_head_multipath(ns->head)))
@@ -1503,14 +1502,23 @@ fail:
return -ENXIO;
}
-static void nvme_release(struct gendisk *disk, fmode_t mode)
+static void nvme_ns_release(struct nvme_ns *ns)
{
- struct nvme_ns *ns = disk->private_data;
module_put(ns->ctrl->ops->module);
nvme_put_ns(ns);
}
+static int nvme_open(struct block_device *bdev, fmode_t mode)
+{
+ return nvme_ns_open(bdev->bd_disk->private_data);
+}
+
+static void nvme_release(struct gendisk *disk, fmode_t mode)
+{
+ nvme_ns_release(disk->private_data);
+}
+
int nvme_getgeo(struct block_device *bdev, struct hd_geometry *geo)
{
/* some standard values */