diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 088ffe1673..2f94f0326e 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2508,16 +2508,16 @@ static bool is_zero_sectors(BlockDriverState *bs, int64_t start, } static coroutine_fn int qcow2_co_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, BdrvRequestFlags flags) + int64_t offset, int bytes, BdrvRequestFlags flags) { int ret; BDRVQcow2State *s = bs->opaque; uint32_t head = offset % s->cluster_size; - uint32_t tail = (offset + count) % s->cluster_size; + uint32_t tail = (offset + bytes) % s->cluster_size; - trace_qcow2_pwrite_zeroes_start_req(qemu_coroutine_self(), offset, count); - if (offset + count == bs->total_sectors * BDRV_SECTOR_SIZE) { + trace_qcow2_pwrite_zeroes_start_req(qemu_coroutine_self(), offset, bytes); + if (offset + bytes == bs->total_sectors * BDRV_SECTOR_SIZE) { tail = 0; } @@ -2526,12 +2526,12 @@ static coroutine_fn int qcow2_co_pwrite_zeroes(BlockDriverState *bs, uint64_t off; unsigned int nr; - assert(head + count <= s->cluster_size); + assert(head + bytes <= s->cluster_size); /* check whether remainder of cluster already reads as zero */ if (!(is_zero_sectors(bs, cl_start, DIV_ROUND_UP(head, BDRV_SECTOR_SIZE)) && - is_zero_sectors(bs, (offset + count) >> BDRV_SECTOR_BITS, + is_zero_sectors(bs, (offset + bytes) >> BDRV_SECTOR_BITS, DIV_ROUND_UP(-tail & (s->cluster_size - 1), BDRV_SECTOR_SIZE)))) { return -ENOTSUP; @@ -2540,7 +2540,7 @@ static coroutine_fn int qcow2_co_pwrite_zeroes(BlockDriverState *bs, qemu_co_mutex_lock(&s->lock); /* We can have new write after previous check */ offset = cl_start << BDRV_SECTOR_BITS; - count = s->cluster_size; + bytes = s->cluster_size; nr = s->cluster_size; ret = qcow2_get_cluster_offset(bs, offset, &nr, &off); if (ret != QCOW2_CLUSTER_UNALLOCATED && @@ -2553,33 +2553,33 @@ static coroutine_fn int qcow2_co_pwrite_zeroes(BlockDriverState *bs, qemu_co_mutex_lock(&s->lock); } - trace_qcow2_pwrite_zeroes(qemu_coroutine_self(), offset, count); + trace_qcow2_pwrite_zeroes(qemu_coroutine_self(), offset, bytes); /* Whatever is left can use real zero clusters */ - ret = qcow2_cluster_zeroize(bs, offset, count, flags); + ret = qcow2_cluster_zeroize(bs, offset, bytes, flags); qemu_co_mutex_unlock(&s->lock); return ret; } static coroutine_fn int qcow2_co_pdiscard(BlockDriverState *bs, - int64_t offset, int count) + int64_t offset, int bytes) { int ret; BDRVQcow2State *s = bs->opaque; - if (!QEMU_IS_ALIGNED(offset | count, s->cluster_size)) { - assert(count < s->cluster_size); + if (!QEMU_IS_ALIGNED(offset | bytes, s->cluster_size)) { + assert(bytes < s->cluster_size); /* Ignore partial clusters, except for the special case of the * complete partial cluster at the end of an unaligned file */ if (!QEMU_IS_ALIGNED(offset, s->cluster_size) || - offset + count != bs->total_sectors * BDRV_SECTOR_SIZE) { + offset + bytes != bs->total_sectors * BDRV_SECTOR_SIZE) { return -ENOTSUP; } } qemu_co_mutex_lock(&s->lock); - ret = qcow2_cluster_discard(bs, offset, count, QCOW2_DISCARD_REQUEST, + ret = qcow2_cluster_discard(bs, offset, bytes, QCOW2_DISCARD_REQUEST, false); qemu_co_mutex_unlock(&s->lock); return ret; |