diff options
Diffstat (limited to 'drivers/md/kcopyd.h')
-rw-r--r-- | drivers/md/kcopyd.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/drivers/md/kcopyd.h b/drivers/md/kcopyd.h deleted file mode 100644 index 4845f2a0c676..000000000000 --- a/drivers/md/kcopyd.h +++ /dev/null | |||
@@ -1,42 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2001 Sistina Software | ||
3 | * | ||
4 | * This file is released under the GPL. | ||
5 | * | ||
6 | * Kcopyd provides a simple interface for copying an area of one | ||
7 | * block-device to one or more other block-devices, with an asynchronous | ||
8 | * completion notification. | ||
9 | */ | ||
10 | |||
11 | #ifndef DM_KCOPYD_H | ||
12 | #define DM_KCOPYD_H | ||
13 | |||
14 | #include "dm-io.h" | ||
15 | |||
16 | /* FIXME: make this configurable */ | ||
17 | #define KCOPYD_MAX_REGIONS 8 | ||
18 | |||
19 | #define KCOPYD_IGNORE_ERROR 1 | ||
20 | |||
21 | /* | ||
22 | * To use kcopyd you must first create a kcopyd client object. | ||
23 | */ | ||
24 | struct kcopyd_client; | ||
25 | int kcopyd_client_create(unsigned int num_pages, struct kcopyd_client **result); | ||
26 | void kcopyd_client_destroy(struct kcopyd_client *kc); | ||
27 | |||
28 | /* | ||
29 | * Submit a copy job to kcopyd. This is built on top of the | ||
30 | * previous three fns. | ||
31 | * | ||
32 | * read_err is a boolean, | ||
33 | * write_err is a bitset, with 1 bit for each destination region | ||
34 | */ | ||
35 | typedef void (*kcopyd_notify_fn)(int read_err, unsigned long write_err, | ||
36 | void *context); | ||
37 | |||
38 | int kcopyd_copy(struct kcopyd_client *kc, struct io_region *from, | ||
39 | unsigned int num_dests, struct io_region *dests, | ||
40 | unsigned int flags, kcopyd_notify_fn fn, void *context); | ||
41 | |||
42 | #endif | ||