forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
977 B
44 lines
977 B
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* RDMA Network Block Driver |
|
* |
|
* Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved. |
|
* Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved. |
|
* Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved. |
|
*/ |
|
#undef pr_fmt |
|
#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt |
|
|
|
#include "rnbd-srv-dev.h" |
|
#include "rnbd-log.h" |
|
|
|
struct rnbd_dev *rnbd_dev_open(const char *path, fmode_t flags) |
|
{ |
|
struct rnbd_dev *dev; |
|
int ret; |
|
|
|
dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
|
if (!dev) |
|
return ERR_PTR(-ENOMEM); |
|
|
|
dev->blk_open_flags = flags; |
|
dev->bdev = blkdev_get_by_path(path, flags, THIS_MODULE); |
|
ret = PTR_ERR_OR_ZERO(dev->bdev); |
|
if (ret) |
|
goto err; |
|
|
|
dev->blk_open_flags = flags; |
|
bdevname(dev->bdev, dev->name); |
|
|
|
return dev; |
|
|
|
err: |
|
kfree(dev); |
|
return ERR_PTR(ret); |
|
} |
|
|
|
void rnbd_dev_close(struct rnbd_dev *dev) |
|
{ |
|
blkdev_put(dev->bdev, dev->blk_open_flags); |
|
kfree(dev); |
|
}
|
|
|