diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/block/drbd/drbd_wrappers.h | |
Diffstat (limited to 'drivers/block/drbd/drbd_wrappers.h')
| -rw-r--r-- | drivers/block/drbd/drbd_wrappers.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_wrappers.h b/drivers/block/drbd/drbd_wrappers.h new file mode 100644 index 00000000..328f18e4 --- /dev/null +++ b/drivers/block/drbd/drbd_wrappers.h @@ -0,0 +1,54 @@ +#ifndef _DRBD_WRAPPERS_H +#define _DRBD_WRAPPERS_H + +#include <linux/ctype.h> +#include <linux/mm.h> +#include "drbd_int.h" + +/* see get_sb_bdev and bd_claim */ +extern char *drbd_sec_holder; + +/* sets the number of 512 byte sectors of our virtual device */ +static inline void drbd_set_my_capacity(struct drbd_conf *mdev, + sector_t size) +{ + /* set_capacity(mdev->this_bdev->bd_disk, size); */ + set_capacity(mdev->vdisk, size); + mdev->this_bdev->bd_inode->i_size = (loff_t)size << 9; +} + +#define drbd_bio_uptodate(bio) bio_flagged(bio, BIO_UPTODATE) + +/* bi_end_io handlers */ +extern void drbd_md_io_complete(struct bio *bio, int error); +extern void drbd_peer_request_endio(struct bio *bio, int error); +extern void drbd_request_endio(struct bio *bio, int error); + +/* + * used to submit our private bio + */ +static inline void drbd_generic_make_request(struct drbd_conf *mdev, + int fault_type, struct bio *bio) +{ + __release(local); + if (!bio->bi_bdev) { + printk(KERN_ERR "drbd%d: drbd_generic_make_request: " + "bio->bi_bdev == NULL\n", + mdev_to_minor(mdev)); + dump_stack(); + bio_endio(bio, -ENODEV); + return; + } + + if (drbd_insert_fault(mdev, fault_type)) + bio_endio(bio, -EIO); + else + generic_make_request(bio); +} + +#ifndef __CHECKER__ +# undef __cond_lock +# define __cond_lock(x,c) (c) +#endif + +#endif |