diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/dm-kcopyd.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/dm-kcopyd.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/ANDROID_3.4.5/include/linux/dm-kcopyd.h b/ANDROID_3.4.5/include/linux/dm-kcopyd.h deleted file mode 100644 index 47d9d376..00000000 --- a/ANDROID_3.4.5/include/linux/dm-kcopyd.h +++ /dev/null @@ -1,65 +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 <linux/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; -struct dm_kcopyd_client *dm_kcopyd_client_create(void); -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); - -/* - * Prepare a callback and submit it via the kcopyd thread. - * - * dm_kcopyd_prepare_callback allocates a callback structure and returns it. - * It must not be called from interrupt context. - * The returned value should be passed into dm_kcopyd_do_callback. - * - * dm_kcopyd_do_callback submits the callback. - * It may be called from interrupt context. - * The callback is issued from the kcopyd thread. - */ -void *dm_kcopyd_prepare_callback(struct dm_kcopyd_client *kc, - dm_kcopyd_notify_fn fn, void *context); -void dm_kcopyd_do_callback(void *job, int read_err, unsigned long write_err); - -int dm_kcopyd_zero(struct dm_kcopyd_client *kc, - unsigned num_dests, struct dm_io_region *dests, - unsigned flags, dm_kcopyd_notify_fn fn, void *context); - -#endif /* __KERNEL__ */ -#endif /* _LINUX_DM_KCOPYD_H */ |