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Commit 2c2345c2 authored by Roger Gammans's avatar Roger Gammans Committed by Jens Axboe
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[PATCH] Document bi_sector and sector_t 



Signed-Off-By: default avatarRoger Gammans <rgammans@computer-surgery.co.uk>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent f583f492

include/linux/bio.h

+2 −1
Original line number Diff line number Diff line
@@ -70,7 +70,8 @@ typedef void (bio_destructor_t) (struct bio *); 
 * stacking drivers)

 */

struct bio {

	sector_t		bi_sector;

	sector_t		bi_sector;	/* device address in 512 byte

						   sectors */

	struct bio		*bi_next;	/* request queue link */

	struct block_device	*bi_bdev;

	unsigned long		bi_flags;	/* status, command, etc */

include/linux/types.h

+5 −1
Original line number Diff line number Diff line
@@ -129,8 +129,12 @@ typedef __s64 int64_t; 
/* this is a special 64bit data type that is 8-byte aligned */

#define aligned_u64 unsigned long long __attribute__((aligned(8)))



/*

/**

 * The type used for indexing onto a disc or disc partition.

 *

 * Linux always considers sectors to be 512 bytes long independently

 * of the devices real block size.

 *

 * If required, asm/types.h can override it and define

 * HAVE_SECTOR_T

 */