forked from Qortal/Brooklyn
a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
45 lines
977 B
C
45 lines
977 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* RDMA Network Block Driver
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*
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* Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
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* Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
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* Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved.
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*/
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#undef pr_fmt
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#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt
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#include "rnbd-srv-dev.h"
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#include "rnbd-log.h"
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struct rnbd_dev *rnbd_dev_open(const char *path, fmode_t flags)
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{
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struct rnbd_dev *dev;
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int ret;
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dev = kzalloc(sizeof(*dev), GFP_KERNEL);
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if (!dev)
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return ERR_PTR(-ENOMEM);
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dev->blk_open_flags = flags;
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dev->bdev = blkdev_get_by_path(path, flags, THIS_MODULE);
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ret = PTR_ERR_OR_ZERO(dev->bdev);
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if (ret)
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goto err;
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dev->blk_open_flags = flags;
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bdevname(dev->bdev, dev->name);
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return dev;
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err:
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kfree(dev);
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return ERR_PTR(ret);
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}
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void rnbd_dev_close(struct rnbd_dev *dev)
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{
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blkdev_put(dev->bdev, dev->blk_open_flags);
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kfree(dev);
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}
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