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Viewing changes to drivers/block/drbd/drbd_wrappers.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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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