From e6f2419389a841260e0323ae72751ab489ec6dcc Mon Sep 17 00:00:00 2001 From: Eric Blake Date: Fri, 7 Jul 2017 07:44:47 -0500 Subject: [PATCH] mirror: Switch mirror_do_zero_or_discard() to byte-based We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Convert another internal function (no semantic change). Signed-off-by: Eric Blake Reviewed-by: John Snow Reviewed-by: Jeff Cody Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- block/mirror.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 10f4e9b494..60eefbd98b 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -305,8 +305,8 @@ static int mirror_do_read(MirrorBlockJob *s, int64_t sector_num, } static void mirror_do_zero_or_discard(MirrorBlockJob *s, - int64_t sector_num, - int nb_sectors, + int64_t offset, + uint64_t bytes, bool is_discard) { MirrorOp *op; @@ -315,16 +315,16 @@ static void mirror_do_zero_or_discard(MirrorBlockJob *s, * so the freeing in mirror_iteration_done is nop. */ op = g_new0(MirrorOp, 1); op->s = s; - op->offset = sector_num * BDRV_SECTOR_SIZE; - op->bytes = nb_sectors * BDRV_SECTOR_SIZE; + op->offset = offset; + op->bytes = bytes; s->in_flight++; - s->bytes_in_flight += nb_sectors * BDRV_SECTOR_SIZE; + s->bytes_in_flight += bytes; if (is_discard) { - blk_aio_pdiscard(s->target, sector_num << BDRV_SECTOR_BITS, + blk_aio_pdiscard(s->target, offset, op->bytes, mirror_write_complete, op); } else { - blk_aio_pwrite_zeroes(s->target, sector_num * BDRV_SECTOR_SIZE, + blk_aio_pwrite_zeroes(s->target, offset, op->bytes, s->unmap ? BDRV_REQ_MAY_UNMAP : 0, mirror_write_complete, op); } @@ -453,7 +453,8 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s) break; case MIRROR_METHOD_ZERO: case MIRROR_METHOD_DISCARD: - mirror_do_zero_or_discard(s, sector_num, io_sectors, + mirror_do_zero_or_discard(s, sector_num * BDRV_SECTOR_SIZE, + io_sectors * BDRV_SECTOR_SIZE, mirror_method == MIRROR_METHOD_DISCARD); if (write_zeroes_ok) { io_bytes_acct = 0; @@ -657,7 +658,8 @@ static int coroutine_fn mirror_dirty_init(MirrorBlockJob *s) continue; } - mirror_do_zero_or_discard(s, sector_num, nb_sectors, false); + mirror_do_zero_or_discard(s, sector_num * BDRV_SECTOR_SIZE, + nb_sectors * BDRV_SECTOR_SIZE, false); sector_num += nb_sectors; } -- 2.11.4.GIT