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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/block/drbd/drbd_wrappers.h
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#ifndef _DRBD_WRAPPERS_H

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#define _DRBD_WRAPPERS_H

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#include <linux/ctype.h>

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#include <linux/mm.h>

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/* see get_sb_bdev and bd_claim */

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extern char *drbd_sec_holder;

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/* sets the number of 512 byte sectors of our virtual device */

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static inline void drbd_set_my_capacity(struct drbd_conf *mdev,

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					sector_t size)

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{

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	/* set_capacity(mdev->this_bdev->bd_disk, size); */

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	set_capacity(mdev->vdisk, size);

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	mdev->this_bdev->bd_inode->i_size = (loff_t)size << 9;

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}

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#define drbd_bio_uptodate(bio) bio_flagged(bio, BIO_UPTODATE)

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/* bi_end_io handlers */

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extern void drbd_md_io_complete(struct bio *bio, int error);

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extern void drbd_endio_sec(struct bio *bio, int error);

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extern void drbd_endio_pri(struct bio *bio, int error);

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/*

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 * used to submit our private bio

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 */

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static inline void drbd_generic_make_request(struct drbd_conf *mdev,

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					     int fault_type, struct bio *bio)

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{

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	__release(local);

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	if (!bio->bi_bdev) {

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		printk(KERN_ERR "drbd%d: drbd_generic_make_request: "

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				"bio->bi_bdev == NULL\n",

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		       mdev_to_minor(mdev));

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		dump_stack();

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		bio_endio(bio, -ENODEV);

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		return;

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	}

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	if (drbd_insert_fault(mdev, fault_type))

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		bio_endio(bio, -EIO);

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	else

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		generic_make_request(bio);

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}

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static inline int drbd_crypto_is_hash(struct crypto_tfm *tfm)

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{

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        return (crypto_tfm_alg_type(tfm) & CRYPTO_ALG_TYPE_HASH_MASK)

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                == CRYPTO_ALG_TYPE_HASH;

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}

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#ifndef __CHECKER__

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# undef __cond_lock

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# define __cond_lock(x,c) (c)

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#endif

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#endif

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