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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/dm-io.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/dm-io.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/dm-io.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/ANDROID_3.4.5/include/linux/dm-io.h b/ANDROID_3.4.5/include/linux/dm-io.h deleted file mode 100644 index f4b0aa31..00000000 --- a/ANDROID_3.4.5/include/linux/dm-io.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (C) 2003 Sistina Software - * Copyright (C) 2004 - 2008 Red Hat, Inc. All rights reserved. - * - * Device-Mapper low-level I/O. - * - * This file is released under the GPL. - */ - -#ifndef _LINUX_DM_IO_H -#define _LINUX_DM_IO_H - -#ifdef __KERNEL__ - -#include <linux/types.h> - -struct dm_io_region { - struct block_device *bdev; - sector_t sector; - sector_t count; /* If this is zero the region is ignored. */ -}; - -struct page_list { - struct page_list *next; - struct page *page; -}; - -typedef void (*io_notify_fn)(unsigned long error, void *context); - -enum dm_io_mem_type { - DM_IO_PAGE_LIST,/* Page list */ - DM_IO_BVEC, /* Bio vector */ - DM_IO_VMA, /* Virtual memory area */ - DM_IO_KMEM, /* Kernel memory */ -}; - -struct dm_io_memory { - enum dm_io_mem_type type; - - unsigned offset; - - union { - struct page_list *pl; - struct bio_vec *bvec; - void *vma; - void *addr; - } ptr; -}; - -struct dm_io_notify { - io_notify_fn fn; /* Callback for asynchronous requests */ - void *context; /* Passed to callback */ -}; - -/* - * IO request structure - */ -struct dm_io_client; -struct dm_io_request { - int bi_rw; /* READ|WRITE - not READA */ - struct dm_io_memory mem; /* Memory to use for io */ - struct dm_io_notify notify; /* Synchronous if notify.fn is NULL */ - struct dm_io_client *client; /* Client memory handler */ -}; - -/* - * For async io calls, users can alternatively use the dm_io() function below - * and dm_io_client_create() to create private mempools for the client. - * - * Create/destroy may block. - */ -struct dm_io_client *dm_io_client_create(void); -void dm_io_client_destroy(struct dm_io_client *client); - -/* - * IO interface using private per-client pools. - * Each bit in the optional 'sync_error_bits' bitset indicates whether an - * error occurred doing io to the corresponding region. - */ -int dm_io(struct dm_io_request *io_req, unsigned num_regions, - struct dm_io_region *region, unsigned long *sync_error_bits); - -#endif /* __KERNEL__ */ -#endif /* _LINUX_DM_IO_H */ |