diff options
Diffstat (limited to 'drivers/md/dm-kcopyd.h')
-rw-r--r-- | drivers/md/dm-kcopyd.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/md/dm-kcopyd.h b/drivers/md/dm-kcopyd.h deleted file mode 100644 index d3057846b0b0..000000000000 --- a/drivers/md/dm-kcopyd.h +++ /dev/null | |||
@@ -1,47 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2001 - 2003 Sistina Software | ||
3 | * Copyright (C) 2004 - 2008 Red Hat, Inc. All rights reserved. | ||
4 | * | ||
5 | * kcopyd provides a simple interface for copying an area of one | ||
6 | * block-device to one or more other block-devices, either synchronous | ||
7 | * or with an asynchronous completion notification. | ||
8 | * | ||
9 | * This file is released under the GPL. | ||
10 | */ | ||
11 | |||
12 | #ifndef _LINUX_DM_KCOPYD_H | ||
13 | #define _LINUX_DM_KCOPYD_H | ||
14 | |||
15 | #ifdef __KERNEL__ | ||
16 | |||
17 | #include "dm-io.h" | ||
18 | |||
19 | /* FIXME: make this configurable */ | ||
20 | #define DM_KCOPYD_MAX_REGIONS 8 | ||
21 | |||
22 | #define DM_KCOPYD_IGNORE_ERROR 1 | ||
23 | |||
24 | /* | ||
25 | * To use kcopyd you must first create a dm_kcopyd_client object. | ||
26 | */ | ||
27 | struct dm_kcopyd_client; | ||
28 | int dm_kcopyd_client_create(unsigned num_pages, | ||
29 | struct dm_kcopyd_client **result); | ||
30 | void dm_kcopyd_client_destroy(struct dm_kcopyd_client *kc); | ||
31 | |||
32 | /* | ||
33 | * Submit a copy job to kcopyd. This is built on top of the | ||
34 | * previous three fns. | ||
35 | * | ||
36 | * read_err is a boolean, | ||
37 | * write_err is a bitset, with 1 bit for each destination region | ||
38 | */ | ||
39 | typedef void (*dm_kcopyd_notify_fn)(int read_err, unsigned long write_err, | ||
40 | void *context); | ||
41 | |||
42 | int dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from, | ||
43 | unsigned num_dests, struct dm_io_region *dests, | ||
44 | unsigned flags, dm_kcopyd_notify_fn fn, void *context); | ||
45 | |||
46 | #endif /* __KERNEL__ */ | ||
47 | #endif /* _LINUX_DM_KCOPYD_H */ | ||