diff options
Diffstat (limited to 'drivers/block/rnbd/rnbd-srv-dev.h')
-rw-r--r-- | drivers/block/rnbd/rnbd-srv-dev.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/drivers/block/rnbd/rnbd-srv-dev.h b/drivers/block/rnbd/rnbd-srv-dev.h deleted file mode 100644 index 0eb23850afb9..000000000000 --- a/drivers/block/rnbd/rnbd-srv-dev.h +++ /dev/null @@ -1,83 +0,0 @@ -/* 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. - */ -#ifndef RNBD_SRV_DEV_H -#define RNBD_SRV_DEV_H - -#include <linux/fs.h> -#include "rnbd-proto.h" - -struct rnbd_dev { - struct block_device *bdev; - struct bio_set *ibd_bio_set; - fmode_t blk_open_flags; - char name[BDEVNAME_SIZE]; -}; - -struct rnbd_dev_blk_io { - struct rnbd_dev *dev; - void *priv; - /* have to be last member for front_pad usage of bioset_init */ - struct bio bio; -}; - -/** - * rnbd_dev_open() - Open a device - * @flags: open flags - * @bs: bio_set to use during block io, - */ -struct rnbd_dev *rnbd_dev_open(const char *path, fmode_t flags, - struct bio_set *bs); - -/** - * rnbd_dev_close() - Close a device - */ -void rnbd_dev_close(struct rnbd_dev *dev); - -void rnbd_endio(void *priv, int error); - -void rnbd_dev_bi_end_io(struct bio *bio); - -struct bio *rnbd_bio_map_kern(void *data, struct bio_set *bs, - unsigned int len, gfp_t gfp_mask); - -static inline int rnbd_dev_get_max_segs(const struct rnbd_dev *dev) -{ - return queue_max_segments(bdev_get_queue(dev->bdev)); -} - -static inline int rnbd_dev_get_max_hw_sects(const struct rnbd_dev *dev) -{ - return queue_max_hw_sectors(bdev_get_queue(dev->bdev)); -} - -static inline int rnbd_dev_get_secure_discard(const struct rnbd_dev *dev) -{ - return blk_queue_secure_erase(bdev_get_queue(dev->bdev)); -} - -static inline int rnbd_dev_get_max_discard_sects(const struct rnbd_dev *dev) -{ - if (!blk_queue_discard(bdev_get_queue(dev->bdev))) - return 0; - - return blk_queue_get_max_sectors(bdev_get_queue(dev->bdev), - REQ_OP_DISCARD); -} - -static inline int rnbd_dev_get_discard_granularity(const struct rnbd_dev *dev) -{ - return bdev_get_queue(dev->bdev)->limits.discard_granularity; -} - -static inline int rnbd_dev_get_discard_alignment(const struct rnbd_dev *dev) -{ - return bdev_get_queue(dev->bdev)->limits.discard_alignment; -} - -#endif /* RNBD_SRV_DEV_H */ |