diff options
Diffstat (limited to 'drivers/md/kcopyd.h')
| -rw-r--r-- | drivers/md/kcopyd.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/md/kcopyd.h b/drivers/md/kcopyd.h deleted file mode 100644 index d3057846b0b0..000000000000 --- a/drivers/md/kcopyd.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (C) 2001 - 2003 Sistina Software - * Copyright (C) 2004 - 2008 Red Hat, Inc. All rights reserved. - * - * kcopyd provides a simple interface for copying an area of one - * block-device to one or more other block-devices, either synchronous - * or with an asynchronous completion notification. - * - * This file is released under the GPL. - */ - -#ifndef _LINUX_DM_KCOPYD_H -#define _LINUX_DM_KCOPYD_H - -#ifdef __KERNEL__ - -#include "dm-io.h" - -/* FIXME: make this configurable */ -#define DM_KCOPYD_MAX_REGIONS 8 - -#define DM_KCOPYD_IGNORE_ERROR 1 - -/* - * To use kcopyd you must first create a dm_kcopyd_client object. - */ -struct dm_kcopyd_client; -int dm_kcopyd_client_create(unsigned num_pages, - struct dm_kcopyd_client **result); -void dm_kcopyd_client_destroy(struct dm_kcopyd_client *kc); - -/* - * Submit a copy job to kcopyd. This is built on top of the - * previous three fns. - * - * read_err is a boolean, - * write_err is a bitset, with 1 bit for each destination region - */ -typedef void (*dm_kcopyd_notify_fn)(int read_err, unsigned long write_err, - void *context); - -int dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from, - unsigned num_dests, struct dm_io_region *dests, - unsigned flags, dm_kcopyd_notify_fn fn, void *context); - -#endif /* __KERNEL__ */ -#endif /* _LINUX_DM_KCOPYD_H */ |