diff options
| -rw-r--r-- | include/linux/bio.h | 3 | ||||
| -rw-r--r-- | include/linux/types.h | 6 | 
2 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 711c321a701..092dbd0e765 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -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 */ diff --git a/include/linux/types.h b/include/linux/types.h index 406d4ae5763..750f085fa56 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -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   */  |