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// 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->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;
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);
}
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