From patchwork Fri Jun 23 16:21:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 9807057 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 310076086C for ; Fri, 23 Jun 2017 17:04:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 15E6D2861B for ; Fri, 23 Jun 2017 17:04:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0A12128792; Fri, 23 Jun 2017 17:04:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CED242861B for ; Fri, 23 Jun 2017 17:04:41 +0000 (UTC) Received: from localhost ([::1]:36457 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dOS0f-0007gY-37 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 23 Jun 2017 13:04:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32769) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dORMr-0002H1-BW for qemu-devel@nongnu.org; Fri, 23 Jun 2017 12:23:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dORMn-0008OD-FB for qemu-devel@nongnu.org; Fri, 23 Jun 2017 12:23:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41048) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dORMc-0008ES-A7; Fri, 23 Jun 2017 12:23:18 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F0E1F8E3DF; Fri, 23 Jun 2017 16:23:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com F0E1F8E3DF Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=kwolf@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com F0E1F8E3DF Received: from noname.redhat.com (ovpn-117-196.ams2.redhat.com [10.36.117.196]) by smtp.corp.redhat.com (Postfix) with ESMTP id C78697E8ED; Fri, 23 Jun 2017 16:23:15 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Fri, 23 Jun 2017 18:21:54 +0200 Message-Id: <1498234919-27316-57-git-send-email-kwolf@redhat.com> In-Reply-To: <1498234919-27316-1-git-send-email-kwolf@redhat.com> References: <1498234919-27316-1-git-send-email-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Fri, 23 Jun 2017 16:23:17 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 56/61] block: change variable names in BlockDriverState X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Manos Pitsidianakis Change the 'int count' parameter in *pwrite_zeros, *pdiscard related functions (and some others) to 'int bytes', as they both refer to bytes. This helps with code legibility. Signed-off-by: Manos Pitsidianakis Message-id: 20170609101808.13506-1-el13635@mail.ntua.gr Reviewed-by: Stefan Hajnoczi Signed-off-by: Max Reitz --- block/blkdebug.c | 36 +++++++++++++++---------------- block/blkreplay.c | 8 +++---- block/block-backend.c | 22 +++++++++---------- block/file-posix.c | 34 +++++++++++++++--------------- block/io.c | 48 +++++++++++++++++++++--------------------- block/iscsi.c | 20 +++++++++--------- block/mirror.c | 8 +++---- block/nbd-client.c | 8 +++---- block/nbd-client.h | 4 ++-- block/qcow2.c | 28 ++++++++++++------------ block/qed.c | 8 +++---- block/raw-format.c | 8 +++---- block/rbd.c | 4 ++-- block/sheepdog.c | 6 +++--- include/block/block.h | 8 +++---- include/block/block_int.h | 6 +++--- include/sysemu/block-backend.h | 20 +++++++++--------- qemu-io-cmds.c | 46 ++++++++++++++++++++-------------------- 18 files changed, 161 insertions(+), 161 deletions(-) diff --git a/block/blkdebug.c b/block/blkdebug.c index 0618fc7..6431962 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -575,7 +575,7 @@ static int blkdebug_co_flush(BlockDriverState *bs) } static int coroutine_fn blkdebug_co_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, + int64_t offset, int bytes, BdrvRequestFlags flags) { uint32_t align = MAX(bs->bl.request_alignment, @@ -586,29 +586,29 @@ static int coroutine_fn blkdebug_co_pwrite_zeroes(BlockDriverState *bs, * preferred alignment (so that we test the fallback to writes on * unaligned portions), and check that the block layer never hands * us anything unaligned that crosses an alignment boundary. */ - if (count < align) { + if (bytes < align) { assert(QEMU_IS_ALIGNED(offset, align) || - QEMU_IS_ALIGNED(offset + count, align) || + QEMU_IS_ALIGNED(offset + bytes, align) || DIV_ROUND_UP(offset, align) == - DIV_ROUND_UP(offset + count, align)); + DIV_ROUND_UP(offset + bytes, align)); return -ENOTSUP; } assert(QEMU_IS_ALIGNED(offset, align)); - assert(QEMU_IS_ALIGNED(count, align)); + assert(QEMU_IS_ALIGNED(bytes, align)); if (bs->bl.max_pwrite_zeroes) { - assert(count <= bs->bl.max_pwrite_zeroes); + assert(bytes <= bs->bl.max_pwrite_zeroes); } - err = rule_check(bs, offset, count); + err = rule_check(bs, offset, bytes); if (err) { return err; } - return bdrv_co_pwrite_zeroes(bs->file, offset, count, flags); + return bdrv_co_pwrite_zeroes(bs->file, offset, bytes, flags); } static int coroutine_fn blkdebug_co_pdiscard(BlockDriverState *bs, - int64_t offset, int count) + int64_t offset, int bytes) { uint32_t align = bs->bl.pdiscard_alignment; int err; @@ -616,29 +616,29 @@ static int coroutine_fn blkdebug_co_pdiscard(BlockDriverState *bs, /* Only pass through requests that are larger than requested * minimum alignment, and ensure that unaligned requests do not * cross optimum discard boundaries. */ - if (count < bs->bl.request_alignment) { + if (bytes < bs->bl.request_alignment) { assert(QEMU_IS_ALIGNED(offset, align) || - QEMU_IS_ALIGNED(offset + count, align) || + QEMU_IS_ALIGNED(offset + bytes, align) || DIV_ROUND_UP(offset, align) == - DIV_ROUND_UP(offset + count, align)); + DIV_ROUND_UP(offset + bytes, align)); return -ENOTSUP; } assert(QEMU_IS_ALIGNED(offset, bs->bl.request_alignment)); - assert(QEMU_IS_ALIGNED(count, bs->bl.request_alignment)); - if (align && count >= align) { + assert(QEMU_IS_ALIGNED(bytes, bs->bl.request_alignment)); + if (align && bytes >= align) { assert(QEMU_IS_ALIGNED(offset, align)); - assert(QEMU_IS_ALIGNED(count, align)); + assert(QEMU_IS_ALIGNED(bytes, align)); } if (bs->bl.max_pdiscard) { - assert(count <= bs->bl.max_pdiscard); + assert(bytes <= bs->bl.max_pdiscard); } - err = rule_check(bs, offset, count); + err = rule_check(bs, offset, bytes); if (err) { return err; } - return bdrv_co_pdiscard(bs->file->bs, offset, count); + return bdrv_co_pdiscard(bs->file->bs, offset, bytes); } static void blkdebug_close(BlockDriverState *bs) diff --git a/block/blkreplay.c b/block/blkreplay.c index 6aa5fd4..61e44a1 100755 --- a/block/blkreplay.c +++ b/block/blkreplay.c @@ -96,10 +96,10 @@ static int coroutine_fn blkreplay_co_pwritev(BlockDriverState *bs, } static int coroutine_fn blkreplay_co_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, BdrvRequestFlags flags) + int64_t offset, int bytes, BdrvRequestFlags flags) { uint64_t reqid = blkreplay_next_id(); - int ret = bdrv_co_pwrite_zeroes(bs->file, offset, count, flags); + int ret = bdrv_co_pwrite_zeroes(bs->file, offset, bytes, flags); block_request_create(reqid, bs, qemu_coroutine_self()); qemu_coroutine_yield(); @@ -107,10 +107,10 @@ static int coroutine_fn blkreplay_co_pwrite_zeroes(BlockDriverState *bs, } static int coroutine_fn blkreplay_co_pdiscard(BlockDriverState *bs, - int64_t offset, int count) + int64_t offset, int bytes) { uint64_t reqid = blkreplay_next_id(); - int ret = bdrv_co_pdiscard(bs->file->bs, offset, count); + int ret = bdrv_co_pdiscard(bs->file->bs, offset, bytes); block_request_create(reqid, bs, qemu_coroutine_self()); qemu_coroutine_yield(); diff --git a/block/block-backend.c b/block/block-backend.c index a2bbae9..0df3457 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1099,9 +1099,9 @@ int blk_pread_unthrottled(BlockBackend *blk, int64_t offset, uint8_t *buf, } int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int count, BdrvRequestFlags flags) + int bytes, BdrvRequestFlags flags) { - return blk_prw(blk, offset, NULL, count, blk_write_entry, + return blk_prw(blk, offset, NULL, bytes, blk_write_entry, flags | BDRV_REQ_ZERO_WRITE); } @@ -1311,10 +1311,10 @@ static void blk_aio_pdiscard_entry(void *opaque) } BlockAIOCB *blk_aio_pdiscard(BlockBackend *blk, - int64_t offset, int count, + int64_t offset, int bytes, BlockCompletionFunc *cb, void *opaque) { - return blk_aio_prwv(blk, offset, count, NULL, blk_aio_pdiscard_entry, 0, + return blk_aio_prwv(blk, offset, bytes, NULL, blk_aio_pdiscard_entry, 0, cb, opaque); } @@ -1374,14 +1374,14 @@ BlockAIOCB *blk_aio_ioctl(BlockBackend *blk, unsigned long int req, void *buf, return blk_aio_prwv(blk, req, 0, &qiov, blk_aio_ioctl_entry, 0, cb, opaque); } -int blk_co_pdiscard(BlockBackend *blk, int64_t offset, int count) +int blk_co_pdiscard(BlockBackend *blk, int64_t offset, int bytes) { - int ret = blk_check_byte_request(blk, offset, count); + int ret = blk_check_byte_request(blk, offset, bytes); if (ret < 0) { return ret; } - return bdrv_co_pdiscard(blk_bs(blk), offset, count); + return bdrv_co_pdiscard(blk_bs(blk), offset, bytes); } int blk_co_flush(BlockBackend *blk) @@ -1760,9 +1760,9 @@ void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, } int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int count, BdrvRequestFlags flags) + int bytes, BdrvRequestFlags flags) { - return blk_co_pwritev(blk, offset, count, NULL, + return blk_co_pwritev(blk, offset, bytes, NULL, flags | BDRV_REQ_ZERO_WRITE); } @@ -1789,9 +1789,9 @@ static void blk_pdiscard_entry(void *opaque) rwco->ret = blk_co_pdiscard(rwco->blk, rwco->offset, rwco->qiov->size); } -int blk_pdiscard(BlockBackend *blk, int64_t offset, int count) +int blk_pdiscard(BlockBackend *blk, int64_t offset, int bytes) { - return blk_prw(blk, offset, NULL, count, blk_pdiscard_entry, 0); + return blk_prw(blk, offset, NULL, bytes, blk_pdiscard_entry, 0); } int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf, diff --git a/block/file-posix.c b/block/file-posix.c index de2d3a2..3927fab 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1485,7 +1485,7 @@ static int aio_worker(void *arg) static int paio_submit_co(BlockDriverState *bs, int fd, int64_t offset, QEMUIOVector *qiov, - int count, int type) + int bytes, int type) { RawPosixAIOData *acb = g_new(RawPosixAIOData, 1); ThreadPool *pool; @@ -1494,22 +1494,22 @@ static int paio_submit_co(BlockDriverState *bs, int fd, acb->aio_type = type; acb->aio_fildes = fd; - acb->aio_nbytes = count; + acb->aio_nbytes = bytes; acb->aio_offset = offset; if (qiov) { acb->aio_iov = qiov->iov; acb->aio_niov = qiov->niov; - assert(qiov->size == count); + assert(qiov->size == bytes); } - trace_paio_submit_co(offset, count, type); + trace_paio_submit_co(offset, bytes, type); pool = aio_get_thread_pool(bdrv_get_aio_context(bs)); return thread_pool_submit_co(pool, aio_worker, acb); } static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd, - int64_t offset, QEMUIOVector *qiov, int count, + int64_t offset, QEMUIOVector *qiov, int bytes, BlockCompletionFunc *cb, void *opaque, int type) { RawPosixAIOData *acb = g_new(RawPosixAIOData, 1); @@ -1519,7 +1519,7 @@ static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd, acb->aio_type = type; acb->aio_fildes = fd; - acb->aio_nbytes = count; + acb->aio_nbytes = bytes; acb->aio_offset = offset; if (qiov) { @@ -1528,7 +1528,7 @@ static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd, assert(qiov->size == acb->aio_nbytes); } - trace_paio_submit(acb, opaque, offset, count, type); + trace_paio_submit(acb, opaque, offset, bytes, type); pool = aio_get_thread_pool(bdrv_get_aio_context(bs)); return thread_pool_submit_aio(pool, aio_worker, acb, cb, opaque); } @@ -2109,26 +2109,26 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, } static coroutine_fn BlockAIOCB *raw_aio_pdiscard(BlockDriverState *bs, - int64_t offset, int count, + int64_t offset, int bytes, BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; - return paio_submit(bs, s->fd, offset, NULL, count, + return paio_submit(bs, s->fd, offset, NULL, bytes, cb, opaque, QEMU_AIO_DISCARD); } static int coroutine_fn raw_co_pwrite_zeroes( BlockDriverState *bs, int64_t offset, - int count, BdrvRequestFlags flags) + int bytes, BdrvRequestFlags flags) { BDRVRawState *s = bs->opaque; if (!(flags & BDRV_REQ_MAY_UNMAP)) { - return paio_submit_co(bs, s->fd, offset, NULL, count, + return paio_submit_co(bs, s->fd, offset, NULL, bytes, QEMU_AIO_WRITE_ZEROES); } else if (s->discard_zeroes) { - return paio_submit_co(bs, s->fd, offset, NULL, count, + return paio_submit_co(bs, s->fd, offset, NULL, bytes, QEMU_AIO_DISCARD); } return -ENOTSUP; @@ -2560,7 +2560,7 @@ static int fd_open(BlockDriverState *bs) } static coroutine_fn BlockAIOCB *hdev_aio_pdiscard(BlockDriverState *bs, - int64_t offset, int count, + int64_t offset, int bytes, BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; @@ -2568,12 +2568,12 @@ static coroutine_fn BlockAIOCB *hdev_aio_pdiscard(BlockDriverState *bs, if (fd_open(bs) < 0) { return NULL; } - return paio_submit(bs, s->fd, offset, NULL, count, + return paio_submit(bs, s->fd, offset, NULL, bytes, cb, opaque, QEMU_AIO_DISCARD|QEMU_AIO_BLKDEV); } static coroutine_fn int hdev_co_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, BdrvRequestFlags flags) + int64_t offset, int bytes, BdrvRequestFlags flags) { BDRVRawState *s = bs->opaque; int rc; @@ -2583,10 +2583,10 @@ static coroutine_fn int hdev_co_pwrite_zeroes(BlockDriverState *bs, return rc; } if (!(flags & BDRV_REQ_MAY_UNMAP)) { - return paio_submit_co(bs, s->fd, offset, NULL, count, + return paio_submit_co(bs, s->fd, offset, NULL, bytes, QEMU_AIO_WRITE_ZEROES|QEMU_AIO_BLKDEV); } else if (s->discard_zeroes) { - return paio_submit_co(bs, s->fd, offset, NULL, count, + return paio_submit_co(bs, s->fd, offset, NULL, bytes, QEMU_AIO_DISCARD|QEMU_AIO_BLKDEV); } return -ENOTSUP; diff --git a/block/io.c b/block/io.c index 132bcbb..9bba730 100644 --- a/block/io.c +++ b/block/io.c @@ -35,7 +35,7 @@ #define NOT_DONE 0x7fffffff /* used while emulated sync operation in progress */ static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, BdrvRequestFlags flags); + int64_t offset, int bytes, BdrvRequestFlags flags); void bdrv_parent_drained_begin(BlockDriverState *bs) { @@ -666,12 +666,12 @@ int bdrv_write(BdrvChild *child, int64_t sector_num, } int bdrv_pwrite_zeroes(BdrvChild *child, int64_t offset, - int count, BdrvRequestFlags flags) + int bytes, BdrvRequestFlags flags) { QEMUIOVector qiov; struct iovec iov = { .iov_base = NULL, - .iov_len = count, + .iov_len = bytes, }; qemu_iovec_init_external(&qiov, &iov, 1); @@ -1212,7 +1212,7 @@ int coroutine_fn bdrv_co_readv(BdrvChild *child, int64_t sector_num, #define MAX_WRITE_ZEROES_BOUNCE_BUFFER (32768 << BDRV_SECTOR_BITS) static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, BdrvRequestFlags flags) + int64_t offset, int bytes, BdrvRequestFlags flags) { BlockDriver *drv = bs->drv; QEMUIOVector qiov; @@ -1230,12 +1230,12 @@ static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs, assert(alignment % bs->bl.request_alignment == 0); head = offset % alignment; - tail = (offset + count) % alignment; + tail = (offset + bytes) % alignment; max_write_zeroes = QEMU_ALIGN_DOWN(max_write_zeroes, alignment); assert(max_write_zeroes >= bs->bl.request_alignment); - while (count > 0 && !ret) { - int num = count; + while (bytes > 0 && !ret) { + int num = bytes; /* Align request. Block drivers can expect the "bulk" of the request * to be aligned, and that unaligned requests do not cross cluster @@ -1245,7 +1245,7 @@ static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs, /* Make a small request up to the first aligned sector. For * convenience, limit this request to max_transfer even if * we don't need to fall back to writes. */ - num = MIN(MIN(count, max_transfer), alignment - head); + num = MIN(MIN(bytes, max_transfer), alignment - head); head = (head + num) % alignment; assert(num < max_write_zeroes); } else if (tail && num > alignment) { @@ -1306,7 +1306,7 @@ static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs, } offset += num; - count -= num; + bytes -= num; } fail: @@ -1658,15 +1658,15 @@ int coroutine_fn bdrv_co_writev(BdrvChild *child, int64_t sector_num, } int coroutine_fn bdrv_co_pwrite_zeroes(BdrvChild *child, int64_t offset, - int count, BdrvRequestFlags flags) + int bytes, BdrvRequestFlags flags) { - trace_bdrv_co_pwrite_zeroes(child->bs, offset, count, flags); + trace_bdrv_co_pwrite_zeroes(child->bs, offset, bytes, flags); if (!(child->bs->open_flags & BDRV_O_UNMAP)) { flags &= ~BDRV_REQ_MAY_UNMAP; } - return bdrv_co_pwritev(child, offset, count, NULL, + return bdrv_co_pwritev(child, offset, bytes, NULL, BDRV_REQ_ZERO_WRITE | flags); } @@ -2248,18 +2248,18 @@ int bdrv_flush(BlockDriverState *bs) typedef struct DiscardCo { BlockDriverState *bs; int64_t offset; - int count; + int bytes; int ret; } DiscardCo; static void coroutine_fn bdrv_pdiscard_co_entry(void *opaque) { DiscardCo *rwco = opaque; - rwco->ret = bdrv_co_pdiscard(rwco->bs, rwco->offset, rwco->count); + rwco->ret = bdrv_co_pdiscard(rwco->bs, rwco->offset, rwco->bytes); } int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, - int count) + int bytes) { BdrvTrackedRequest req; int max_pdiscard, ret; @@ -2269,7 +2269,7 @@ int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, return -ENOMEDIUM; } - ret = bdrv_check_byte_request(bs, offset, count); + ret = bdrv_check_byte_request(bs, offset, bytes); if (ret < 0) { return ret; } else if (bs->read_only) { @@ -2294,10 +2294,10 @@ int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, align = MAX(bs->bl.pdiscard_alignment, bs->bl.request_alignment); assert(align % bs->bl.request_alignment == 0); head = offset % align; - tail = (offset + count) % align; + tail = (offset + bytes) % align; bdrv_inc_in_flight(bs); - tracked_request_begin(&req, bs, offset, count, BDRV_TRACKED_DISCARD); + tracked_request_begin(&req, bs, offset, bytes, BDRV_TRACKED_DISCARD); ret = notifier_with_return_list_notify(&bs->before_write_notifiers, &req); if (ret < 0) { @@ -2308,13 +2308,13 @@ int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, align); assert(max_pdiscard >= bs->bl.request_alignment); - while (count > 0) { + while (bytes > 0) { int ret; - int num = count; + int num = bytes; if (head) { /* Make small requests to get to alignment boundaries. */ - num = MIN(count, align - head); + num = MIN(bytes, align - head); if (!QEMU_IS_ALIGNED(num, bs->bl.request_alignment)) { num %= bs->bl.request_alignment; } @@ -2358,7 +2358,7 @@ int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, } offset += num; - count -= num; + bytes -= num; } ret = 0; out: @@ -2370,13 +2370,13 @@ out: return ret; } -int bdrv_pdiscard(BlockDriverState *bs, int64_t offset, int count) +int bdrv_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) { Coroutine *co; DiscardCo rwco = { .bs = bs, .offset = offset, - .count = count, + .bytes = bytes, .ret = NOT_DONE, }; diff --git a/block/iscsi.c b/block/iscsi.c index b5f7a22..54067e2 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -1116,14 +1116,14 @@ iscsi_getlength(BlockDriverState *bs) } static int -coroutine_fn iscsi_co_pdiscard(BlockDriverState *bs, int64_t offset, int count) +coroutine_fn iscsi_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) { IscsiLun *iscsilun = bs->opaque; struct IscsiTask iTask; struct unmap_list list; int r = 0; - if (!is_byte_request_lun_aligned(offset, count, iscsilun)) { + if (!is_byte_request_lun_aligned(offset, bytes, iscsilun)) { return -ENOTSUP; } @@ -1133,7 +1133,7 @@ coroutine_fn iscsi_co_pdiscard(BlockDriverState *bs, int64_t offset, int count) } list.lba = offset / iscsilun->block_size; - list.num = count / iscsilun->block_size; + list.num = bytes / iscsilun->block_size; iscsi_co_init_iscsitask(iscsilun, &iTask); qemu_mutex_lock(&iscsilun->mutex); @@ -1174,7 +1174,7 @@ retry: } iscsi_allocmap_set_invalid(iscsilun, offset >> BDRV_SECTOR_BITS, - count >> BDRV_SECTOR_BITS); + bytes >> BDRV_SECTOR_BITS); out_unlock: qemu_mutex_unlock(&iscsilun->mutex); @@ -1183,7 +1183,7 @@ out_unlock: static int coroutine_fn iscsi_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, - int count, BdrvRequestFlags flags) + int bytes, BdrvRequestFlags flags) { IscsiLun *iscsilun = bs->opaque; struct IscsiTask iTask; @@ -1192,7 +1192,7 @@ coroutine_fn iscsi_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, bool use_16_for_ws = iscsilun->use_16_for_rw; int r = 0; - if (!is_byte_request_lun_aligned(offset, count, iscsilun)) { + if (!is_byte_request_lun_aligned(offset, bytes, iscsilun)) { return -ENOTSUP; } @@ -1215,7 +1215,7 @@ coroutine_fn iscsi_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, } lba = offset / iscsilun->block_size; - nb_blocks = count / iscsilun->block_size; + nb_blocks = bytes / iscsilun->block_size; if (iscsilun->zeroblock == NULL) { iscsilun->zeroblock = g_try_malloc0(iscsilun->block_size); @@ -1273,17 +1273,17 @@ retry: if (iTask.status != SCSI_STATUS_GOOD) { iscsi_allocmap_set_invalid(iscsilun, offset >> BDRV_SECTOR_BITS, - count >> BDRV_SECTOR_BITS); + bytes >> BDRV_SECTOR_BITS); r = iTask.err_code; goto out_unlock; } if (flags & BDRV_REQ_MAY_UNMAP) { iscsi_allocmap_set_invalid(iscsilun, offset >> BDRV_SECTOR_BITS, - count >> BDRV_SECTOR_BITS); + bytes >> BDRV_SECTOR_BITS); } else { iscsi_allocmap_set_allocated(iscsilun, offset >> BDRV_SECTOR_BITS, - count >> BDRV_SECTOR_BITS); + bytes >> BDRV_SECTOR_BITS); } out_unlock: diff --git a/block/mirror.c b/block/mirror.c index 19afcc6..68744a1 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1063,15 +1063,15 @@ static int64_t coroutine_fn bdrv_mirror_top_get_block_status( } static int coroutine_fn bdrv_mirror_top_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, BdrvRequestFlags flags) + int64_t offset, int bytes, BdrvRequestFlags flags) { - return bdrv_co_pwrite_zeroes(bs->backing, offset, count, flags); + return bdrv_co_pwrite_zeroes(bs->backing, offset, bytes, flags); } static int coroutine_fn bdrv_mirror_top_pdiscard(BlockDriverState *bs, - int64_t offset, int count) + int64_t offset, int bytes) { - return bdrv_co_pdiscard(bs->backing->bs, offset, count); + return bdrv_co_pdiscard(bs->backing->bs, offset, bytes); } static void bdrv_mirror_top_refresh_filename(BlockDriverState *bs, QDict *opts) diff --git a/block/nbd-client.c b/block/nbd-client.c index d64e775..02e9281 100644 --- a/block/nbd-client.c +++ b/block/nbd-client.c @@ -259,14 +259,14 @@ int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset, } int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, - int count, BdrvRequestFlags flags) + int bytes, BdrvRequestFlags flags) { ssize_t ret; NBDClientSession *client = nbd_get_client_session(bs); NBDRequest request = { .type = NBD_CMD_WRITE_ZEROES, .from = offset, - .len = count, + .len = bytes, }; NBDReply reply; @@ -316,13 +316,13 @@ int nbd_client_co_flush(BlockDriverState *bs) return -reply.error; } -int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int count) +int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes) { NBDClientSession *client = nbd_get_client_session(bs); NBDRequest request = { .type = NBD_CMD_TRIM, .from = offset, - .len = count, + .len = bytes, }; NBDReply reply; ssize_t ret; diff --git a/block/nbd-client.h b/block/nbd-client.h index 891ba44..49636bc 100644 --- a/block/nbd-client.h +++ b/block/nbd-client.h @@ -42,12 +42,12 @@ int nbd_client_init(BlockDriverState *bs, Error **errp); void nbd_client_close(BlockDriverState *bs); -int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int count); +int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes); int nbd_client_co_flush(BlockDriverState *bs); int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags); int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, - int count, BdrvRequestFlags flags); + int bytes, BdrvRequestFlags flags); int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags); diff --git a/block/qcow2.c b/block/qcow2.c index 088ffe1..2f94f03 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; diff --git a/block/qed.c b/block/qed.c index c073baa..385381a 100644 --- a/block/qed.c +++ b/block/qed.c @@ -1317,7 +1317,7 @@ static int coroutine_fn bdrv_qed_co_writev(BlockDriverState *bs, static int coroutine_fn bdrv_qed_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, - int count, + int bytes, BdrvRequestFlags flags) { BDRVQEDState *s = bs->opaque; @@ -1326,7 +1326,7 @@ static int coroutine_fn bdrv_qed_co_pwrite_zeroes(BlockDriverState *bs, /* Fall back if the request is not aligned */ if (qed_offset_into_cluster(s, offset) || - qed_offset_into_cluster(s, count)) { + qed_offset_into_cluster(s, bytes)) { return -ENOTSUP; } @@ -1334,11 +1334,11 @@ static int coroutine_fn bdrv_qed_co_pwrite_zeroes(BlockDriverState *bs, * then it will be allocated during request processing. */ iov.iov_base = NULL; - iov.iov_len = count; + iov.iov_len = bytes; qemu_iovec_init_external(&qiov, &iov, 1); return qed_co_request(bs, offset >> BDRV_SECTOR_BITS, &qiov, - count >> BDRV_SECTOR_BITS, + bytes >> BDRV_SECTOR_BITS, QED_AIOCB_WRITE | QED_AIOCB_ZERO); } diff --git a/block/raw-format.c b/block/raw-format.c index 36e6503..0d185fe 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -264,7 +264,7 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, } static int coroutine_fn raw_co_pwrite_zeroes(BlockDriverState *bs, - int64_t offset, int count, + int64_t offset, int bytes, BdrvRequestFlags flags) { BDRVRawState *s = bs->opaque; @@ -272,18 +272,18 @@ static int coroutine_fn raw_co_pwrite_zeroes(BlockDriverState *bs, return -EINVAL; } offset += s->offset; - return bdrv_co_pwrite_zeroes(bs->file, offset, count, flags); + return bdrv_co_pwrite_zeroes(bs->file, offset, bytes, flags); } static int coroutine_fn raw_co_pdiscard(BlockDriverState *bs, - int64_t offset, int count) + int64_t offset, int bytes) { BDRVRawState *s = bs->opaque; if (offset > UINT64_MAX - s->offset) { return -EINVAL; } offset += s->offset; - return bdrv_co_pdiscard(bs->file->bs, offset, count); + return bdrv_co_pdiscard(bs->file->bs, offset, bytes); } static int64_t raw_getlength(BlockDriverState *bs) diff --git a/block/rbd.c b/block/rbd.c index ff44e5f..9da02cd 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -1065,11 +1065,11 @@ static int qemu_rbd_snap_list(BlockDriverState *bs, #ifdef LIBRBD_SUPPORTS_DISCARD static BlockAIOCB *qemu_rbd_aio_pdiscard(BlockDriverState *bs, int64_t offset, - int count, + int bytes, BlockCompletionFunc *cb, void *opaque) { - return rbd_start_aio(bs, offset, NULL, count, cb, opaque, + return rbd_start_aio(bs, offset, NULL, bytes, cb, opaque, RBD_AIO_DISCARD); } #endif diff --git a/block/sheepdog.c b/block/sheepdog.c index c923667..a87ee5f 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -2935,7 +2935,7 @@ static int sd_load_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, static coroutine_fn int sd_co_pdiscard(BlockDriverState *bs, int64_t offset, - int count) + int bytes) { SheepdogAIOCB acb; BDRVSheepdogState *s = bs->opaque; @@ -2953,11 +2953,11 @@ static coroutine_fn int sd_co_pdiscard(BlockDriverState *bs, int64_t offset, iov.iov_len = sizeof(zero); discard_iov.iov = &iov; discard_iov.niov = 1; - if (!QEMU_IS_ALIGNED(offset | count, BDRV_SECTOR_SIZE)) { + if (!QEMU_IS_ALIGNED(offset | bytes, BDRV_SECTOR_SIZE)) { return -ENOTSUP; } sd_aio_setup(&acb, s, &discard_iov, offset >> BDRV_SECTOR_BITS, - count >> BDRV_SECTOR_BITS, AIOCB_DISCARD_OBJ); + bytes >> BDRV_SECTOR_BITS, AIOCB_DISCARD_OBJ); sd_co_rw_vector(&acb); sd_aio_complete(&acb); diff --git a/include/block/block.h b/include/block/block.h index 623e7fc..85e4be7 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -276,7 +276,7 @@ int bdrv_read(BdrvChild *child, int64_t sector_num, int bdrv_write(BdrvChild *child, int64_t sector_num, const uint8_t *buf, int nb_sectors); int bdrv_pwrite_zeroes(BdrvChild *child, int64_t offset, - int count, BdrvRequestFlags flags); + int bytes, BdrvRequestFlags flags); int bdrv_make_zero(BdrvChild *child, BdrvRequestFlags flags); int bdrv_pread(BdrvChild *child, int64_t offset, void *buf, int bytes); int bdrv_preadv(BdrvChild *child, int64_t offset, QEMUIOVector *qiov); @@ -295,7 +295,7 @@ int coroutine_fn bdrv_co_writev(BdrvChild *child, int64_t sector_num, * because it may allocate memory for the entire region. */ int coroutine_fn bdrv_co_pwrite_zeroes(BdrvChild *child, int64_t offset, - int count, BdrvRequestFlags flags); + int bytes, BdrvRequestFlags flags); BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, const char *backing_file); int bdrv_get_backing_file_depth(BlockDriverState *bs); @@ -411,8 +411,8 @@ void bdrv_drain_all(void); } \ waited_; }) -int bdrv_pdiscard(BlockDriverState *bs, int64_t offset, int count); -int bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, int count); +int bdrv_pdiscard(BlockDriverState *bs, int64_t offset, int bytes); +int bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes); int bdrv_has_zero_init_1(BlockDriverState *bs); int bdrv_has_zero_init(BlockDriverState *bs); bool bdrv_unallocated_blocks_are_zero(BlockDriverState *bs); diff --git a/include/block/block_int.h b/include/block/block_int.h index 7489700..15fa602 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -142,7 +142,7 @@ struct BlockDriver { BlockAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs, BlockCompletionFunc *cb, void *opaque); BlockAIOCB *(*bdrv_aio_pdiscard)(BlockDriverState *bs, - int64_t offset, int count, + int64_t offset, int bytes, BlockCompletionFunc *cb, void *opaque); int coroutine_fn (*bdrv_co_readv)(BlockDriverState *bs, @@ -163,9 +163,9 @@ struct BlockDriver { * will be called instead. */ int coroutine_fn (*bdrv_co_pwrite_zeroes)(BlockDriverState *bs, - int64_t offset, int count, BdrvRequestFlags flags); + int64_t offset, int bytes, BdrvRequestFlags flags); int coroutine_fn (*bdrv_co_pdiscard)(BlockDriverState *bs, - int64_t offset, int count); + int64_t offset, int bytes); /* * Building block for bdrv_block_status[_above]. The driver should diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 999eb23..1e05281 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -130,7 +130,7 @@ BlockBackend *blk_by_dev(void *dev); BlockBackend *blk_by_qdev_id(const char *id, Error **errp); void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops, void *opaque); int blk_pread_unthrottled(BlockBackend *blk, int64_t offset, uint8_t *buf, - int count); + int bytes); int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); @@ -138,13 +138,13 @@ int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int count, BdrvRequestFlags flags); + int bytes, BdrvRequestFlags flags); BlockAIOCB *blk_aio_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int count, BdrvRequestFlags flags, + int bytes, BdrvRequestFlags flags, BlockCompletionFunc *cb, void *opaque); int blk_make_zero(BlockBackend *blk, BdrvRequestFlags flags); -int blk_pread(BlockBackend *blk, int64_t offset, void *buf, int count); -int blk_pwrite(BlockBackend *blk, int64_t offset, const void *buf, int count, +int blk_pread(BlockBackend *blk, int64_t offset, void *buf, int bytes); +int blk_pwrite(BlockBackend *blk, int64_t offset, const void *buf, int bytes, BdrvRequestFlags flags); int64_t blk_getlength(BlockBackend *blk); void blk_get_geometry(BlockBackend *blk, uint64_t *nb_sectors_ptr); @@ -157,7 +157,7 @@ BlockAIOCB *blk_aio_pwritev(BlockBackend *blk, int64_t offset, BlockCompletionFunc *cb, void *opaque); BlockAIOCB *blk_aio_flush(BlockBackend *blk, BlockCompletionFunc *cb, void *opaque); -BlockAIOCB *blk_aio_pdiscard(BlockBackend *blk, int64_t offset, int count, +BlockAIOCB *blk_aio_pdiscard(BlockBackend *blk, int64_t offset, int bytes, BlockCompletionFunc *cb, void *opaque); void blk_aio_cancel(BlockAIOCB *acb); void blk_aio_cancel_async(BlockAIOCB *acb); @@ -165,7 +165,7 @@ int blk_co_ioctl(BlockBackend *blk, unsigned long int req, void *buf); int blk_ioctl(BlockBackend *blk, unsigned long int req, void *buf); BlockAIOCB *blk_aio_ioctl(BlockBackend *blk, unsigned long int req, void *buf, BlockCompletionFunc *cb, void *opaque); -int blk_co_pdiscard(BlockBackend *blk, int64_t offset, int count); +int blk_co_pdiscard(BlockBackend *blk, int64_t offset, int bytes); int blk_co_flush(BlockBackend *blk); int blk_flush(BlockBackend *blk); int blk_commit_all(void); @@ -220,11 +220,11 @@ int blk_get_open_flags_from_root_state(BlockBackend *blk); void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, BlockCompletionFunc *cb, void *opaque); int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int count, BdrvRequestFlags flags); + int bytes, BdrvRequestFlags flags); int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf, - int count); + int bytes); int blk_truncate(BlockBackend *blk, int64_t offset, Error **errp); -int blk_pdiscard(BlockBackend *blk, int64_t offset, int count); +int blk_pdiscard(BlockBackend *blk, int64_t offset, int bytes); int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf, int64_t pos, int size); int blk_load_vmstate(BlockBackend *blk, uint8_t *buf, int64_t pos, int size); diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c index 4b2278f..b0ea327 100644 --- a/qemu-io-cmds.c +++ b/qemu-io-cmds.c @@ -451,13 +451,13 @@ fail: } static int do_pread(BlockBackend *blk, char *buf, int64_t offset, - int64_t count, int64_t *total) + int64_t bytes, int64_t *total) { - if (count > INT_MAX) { + if (bytes > INT_MAX) { return -ERANGE; } - *total = blk_pread(blk, offset, (uint8_t *)buf, count); + *total = blk_pread(blk, offset, (uint8_t *)buf, bytes); if (*total < 0) { return *total; } @@ -465,13 +465,13 @@ static int do_pread(BlockBackend *blk, char *buf, int64_t offset, } static int do_pwrite(BlockBackend *blk, char *buf, int64_t offset, - int64_t count, int flags, int64_t *total) + int64_t bytes, int flags, int64_t *total) { - if (count > INT_MAX) { + if (bytes > INT_MAX) { return -ERANGE; } - *total = blk_pwrite(blk, offset, (uint8_t *)buf, count, flags); + *total = blk_pwrite(blk, offset, (uint8_t *)buf, bytes, flags); if (*total < 0) { return *total; } @@ -481,7 +481,7 @@ static int do_pwrite(BlockBackend *blk, char *buf, int64_t offset, typedef struct { BlockBackend *blk; int64_t offset; - int64_t count; + int64_t bytes; int64_t *total; int flags; int ret; @@ -492,7 +492,7 @@ static void coroutine_fn co_pwrite_zeroes_entry(void *opaque) { CoWriteZeroes *data = opaque; - data->ret = blk_co_pwrite_zeroes(data->blk, data->offset, data->count, + data->ret = blk_co_pwrite_zeroes(data->blk, data->offset, data->bytes, data->flags); data->done = true; if (data->ret < 0) { @@ -500,23 +500,23 @@ static void coroutine_fn co_pwrite_zeroes_entry(void *opaque) return; } - *data->total = data->count; + *data->total = data->bytes; } static int do_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int64_t count, int flags, int64_t *total) + int64_t bytes, int flags, int64_t *total) { Coroutine *co; CoWriteZeroes data = { .blk = blk, .offset = offset, - .count = count, + .bytes = bytes, .total = total, .flags = flags, .done = false, }; - if (count > INT_MAX) { + if (bytes > INT_MAX) { return -ERANGE; } @@ -533,19 +533,19 @@ static int do_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, } static int do_write_compressed(BlockBackend *blk, char *buf, int64_t offset, - int64_t count, int64_t *total) + int64_t bytes, int64_t *total) { int ret; - if (count >> 9 > BDRV_REQUEST_MAX_SECTORS) { + if (bytes >> 9 > BDRV_REQUEST_MAX_SECTORS) { return -ERANGE; } - ret = blk_pwrite_compressed(blk, offset, buf, count); + ret = blk_pwrite_compressed(blk, offset, buf, bytes); if (ret < 0) { return ret; } - *total = count; + *total = bytes; return 1; } @@ -1701,7 +1701,7 @@ static int discard_f(BlockBackend *blk, int argc, char **argv) struct timeval t1, t2; bool Cflag = false, qflag = false; int c, ret; - int64_t offset, count; + int64_t offset, bytes; while ((c = getopt(argc, argv, "Cq")) != -1) { switch (c) { @@ -1727,11 +1727,11 @@ static int discard_f(BlockBackend *blk, int argc, char **argv) } optind++; - count = cvtnum(argv[optind]); - if (count < 0) { - print_cvtnum_err(count, argv[optind]); + bytes = cvtnum(argv[optind]); + if (bytes < 0) { + print_cvtnum_err(bytes, argv[optind]); return 0; - } else if (count >> BDRV_SECTOR_BITS > BDRV_REQUEST_MAX_SECTORS) { + } else if (bytes >> BDRV_SECTOR_BITS > BDRV_REQUEST_MAX_SECTORS) { printf("length cannot exceed %"PRIu64", given %s\n", (uint64_t)BDRV_REQUEST_MAX_SECTORS << BDRV_SECTOR_BITS, argv[optind]); @@ -1739,7 +1739,7 @@ static int discard_f(BlockBackend *blk, int argc, char **argv) } gettimeofday(&t1, NULL); - ret = blk_pdiscard(blk, offset, count); + ret = blk_pdiscard(blk, offset, bytes); gettimeofday(&t2, NULL); if (ret < 0) { @@ -1750,7 +1750,7 @@ static int discard_f(BlockBackend *blk, int argc, char **argv) /* Finally, report back -- -C gives a parsable format */ if (!qflag) { t2 = tsub(t2, t1); - print_report("discard", &t2, offset, count, count, 1, Cflag); + print_report("discard", &t2, offset, bytes, bytes, 1, Cflag); } out: