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| author | Denis V. Lunev <den@openvz.org> | 2015-04-28 10:46:48 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-05-22 09:37:32 +0100 |
| commit | 555cc9d9fc5c71be6bd3f288eaf1e5628732088f (patch) | |
| tree | b8d71dca82f36f2c6903b9b9c22d3f28bde92d36 /block | |
| parent | 369f7de9d57e4dd2f312255fc12271d5749c0a4e (diff) | |
| download | qemu-555cc9d9fc5c71be6bd3f288eaf1e5628732088f.zip qemu-555cc9d9fc5c71be6bd3f288eaf1e5628732088f.tar.gz qemu-555cc9d9fc5c71be6bd3f288eaf1e5628732088f.tar.bz2 | |
block/parallels: create bat2sect helper
deduplicate copy/paste arithmetcs
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Roman Kagan <rkagan@parallels.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Roman Kagan <rkagan@parallels.com>
Message-id: 1430207220-24458-16-git-send-email-den@openvz.org
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/parallels.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/block/parallels.c b/block/parallels.c index 16fbdf4..1540c21 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -161,6 +161,12 @@ fail: return ret; } + +static int64_t bat2sect(BDRVParallelsState *s, uint32_t idx) +{ + return (uint64_t)s->bat_bitmap[idx] * s->off_multiplier; +} + static int64_t seek_to_sector(BDRVParallelsState *s, int64_t sector_num) { uint32_t index, offset; @@ -172,7 +178,7 @@ static int64_t seek_to_sector(BDRVParallelsState *s, int64_t sector_num) if ((index >= s->bat_size) || (s->bat_bitmap[index] == 0)) { return -1; } - return (uint64_t)s->bat_bitmap[index] * s->off_multiplier + offset; + return bat2sect(s, index) + offset; } static int cluster_remainder(BDRVParallelsState *s, int64_t sector_num, @@ -196,7 +202,7 @@ static int64_t allocate_cluster(BlockDriverState *bs, int64_t sector_num) return -EINVAL; } if (s->bat_bitmap[idx] != 0) { - return (uint64_t)s->bat_bitmap[idx] * s->off_multiplier + offset; + return bat2sect(s, idx) + offset; } pos = bdrv_getlength(bs->file) >> BDRV_SECTOR_BITS; @@ -219,7 +225,7 @@ static int64_t allocate_cluster(BlockDriverState *bs, int64_t sector_num) s->bat_bitmap[idx] = 0; return ret; } - return (uint64_t)s->bat_bitmap[idx] * s->off_multiplier + offset; + return bat2sect(s, idx) + offset; } static int64_t coroutine_fn parallels_co_get_block_status(BlockDriverState *bs, |