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qcow2: Use bytes instead of sectors for QCowL2Meta

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In preparation for implementing .bdrv_co_pwritev in qcow2.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2016-06-01 14:08:56 +02:00
parent aaa4d20b49
commit 8556739355
2 changed files with 15 additions and 30 deletions
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13
block/qcow2.h
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@ -302,8 +302,8 @@ typedef struct Qcow2COWRegion {
*/
uint64_t offset;
/** Number of sectors to copy */
int nb_sectors;
/** Number of bytes to copy */
int nb_bytes;
} Qcow2COWRegion;
/**
@ -318,12 +318,6 @@ typedef struct QCowL2Meta
/** Host offset of the first newly allocated cluster */
uint64_t alloc_offset;
/**
* Number of sectors from the start of the first allocated cluster to
* the end of the (possibly shortened) request
*/
int nb_available;
/** Number of newly allocated clusters */
int nb_clusters;
@ -471,8 +465,7 @@ static inline uint64_t l2meta_cow_start(QCowL2Meta *m)
static inline uint64_t l2meta_cow_end(QCowL2Meta *m)
{
return m->offset + m->cow_end.offset
+ (m->cow_end.nb_sectors << BDRV_SECTOR_BITS);
return m->offset + m->cow_end.offset + m->cow_end.nb_bytes;
}
static inline uint64_t refcount_diff(uint64_t r1, uint64_t r2)