From nobody Sun May 12 21:29:35 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=gmail.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1613724781454331.19953809126037; Fri, 19 Feb 2021 00:53:01 -0800 (PST) Received: from localhost ([::1]:46884 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lD1X2-0006El-Bx for importer@patchew.org; Fri, 19 Feb 2021 03:53:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60976) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lD1W4-0005o3-KO; Fri, 19 Feb 2021 03:52:00 -0500 Received: from mail-pg1-x531.google.com ([2607:f8b0:4864:20::531]:34247) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lD1W2-0000hE-Ph; Fri, 19 Feb 2021 03:52:00 -0500 Received: by mail-pg1-x531.google.com with SMTP id o7so3430908pgl.1; Fri, 19 Feb 2021 00:51:58 -0800 (PST) Received: from localhost.localdomain ([2400:4050:c360:8200:d8f0:71c1:3d6a:4f53]) by smtp.gmail.com with ESMTPSA id nl12sm11672656pjb.2.2021.02.19.00.51.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Feb 2021 00:51:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=qISdsR2agt2ckOs+qECckzqtZsO13ZrncQ+6FovCW7U=; b=GHDU1d+sIPom6oeuOFp3jQPVjtErfefygq4KXCFrL5glgDTRbtgWZ7Xfvwi3ffnFek 9BYrkHgfWYulLo14FJDB4WDG5AO+/5cg5BHmCPAwW6B/wT4o/6YexYnmMsz+pjZqqbdp 3G9vbA7WYYP7DMpG+3oZ9E+o3oajWKTKrejjZ+AlxF9HbgkAOLdqIlqcS4tKMchhhGAZ FGtrsl3OLsYWAU1VEhA8VtCyQBNwji0Tij/PBCuJXnJH/PVDF2ZZFz7bfzkTey55tKCA nb+tNkUj0c683SE0NlNdc4azJFsiNgLyTzfTFdF//faNvD/FJYv2F4/sSe3Uo3o1zich lp4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=qISdsR2agt2ckOs+qECckzqtZsO13ZrncQ+6FovCW7U=; b=DjcE0NVyPgzpBSSa97AvHqQ11Se2hxdmy6DgpLrdux7JWmWb0z6G1G3AJeQBfAXLZC I6Wn9CeeoPXNomuzzfeTvtd+LsaNBdoAT/4Oll2/bXAoSOTwv5qumAiuED4UofGzl+AD 89iA2e9lVUHf6gbqJXZWdZONpcIyEC90rF8en0ifM36pFXnQ9p2+nwVg75qX6W+VUQiK Yrg0hseeiPoKq0PuxQwGOAauZmbbP+CGkBdCgAzbdxXVHJq/TZG6+i62B79rCiOKxihA r3V62+K7ZkNatAuUTamJVCvIFn3uKiMhxjMa3X1r0bx9VFmDQirTYqm+XfanRSpVqNty /KcQ== X-Gm-Message-State: AOAM530wK+zbPwAVErxA38n0SA7Btxq3g+fi8bx1TNnHP0pp6Bo0Qmje ujx4Qa/8sXOM5E/6aSsI+HF2wB3RCTCIQg== X-Google-Smtp-Source: ABdhPJw87RZbHrvLMsDeo9mUcfzPD1RaSdXdWtPubQ9OWZKjJr29GP32ynh5Y9JleUrbvt3F8EfkuA== X-Received: by 2002:a62:8096:0:b029:1ec:e33e:f8e6 with SMTP id j144-20020a6280960000b02901ece33ef8e6mr8359136pfd.47.1613724716683; Fri, 19 Feb 2021 00:51:56 -0800 (PST) From: Akihiko Odaki To: Subject: [PATCH] block/file-posix: Optimize for macOS Date: Fri, 19 Feb 2021 17:51:48 +0900 Message-Id: <20210219085148.90545-1-akihiko.odaki@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::531; envelope-from=akihiko.odaki@gmail.com; helo=mail-pg1-x531.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Akihiko Odaki , qemu-block@nongnu.org, qemu-devel@nongnu.org, Max Reitz , Stefan Hajnoczi , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This commit introduces "punch hole" operation and optimizes transfer block size for macOS. This commit introduces two additional members, discard_granularity and opt_io to BlockSizes type in include/block/block.h. Also, the members of the type are now optional. Set -1 to discard_granularity and 0 to other members for the default values. Signed-off-by: Akihiko Odaki --- block/file-posix.c | 40 ++++++++++++++++++++++++++++++++++++++-- block/nvme.c | 2 ++ hw/block/block.c | 12 ++++++++++-- include/block/block.h | 2 ++ 4 files changed, 52 insertions(+), 4 deletions(-) diff --git a/block/file-posix.c b/block/file-posix.c index 00cdaaa2d41..defbc04c8e7 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -44,6 +44,7 @@ #if defined(__APPLE__) && (__MACH__) #include #include +#include #include #include #include @@ -1274,6 +1275,8 @@ static int hdev_probe_blocksizes(BlockDriverState *bs= , BlockSizes *bsz) if (check_for_dasd(s->fd) < 0) { return -ENOTSUP; } + bsz->opt_io =3D 0; + bsz->discard_granularity =3D -1; ret =3D probe_logical_blocksize(s->fd, &bsz->log); if (ret < 0) { return ret; @@ -1568,6 +1571,7 @@ out: } } =20 +G_GNUC_UNUSED static int translate_err(int err) { if (err =3D=3D -ENODEV || err =3D=3D -ENOSYS || err =3D=3D -EOPNOTSUPP= || @@ -1777,16 +1781,27 @@ static int handle_aiocb_discard(void *opaque) } } while (errno =3D=3D EINTR); =20 - ret =3D -errno; + ret =3D translate_err(-errno); #endif } else { #ifdef CONFIG_FALLOCATE_PUNCH_HOLE ret =3D do_fallocate(s->fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_= SIZE, aiocb->aio_offset, aiocb->aio_nbytes); + ret =3D translate_err(-errno); +#elif defined(__APPLE__) && (__MACH__) + fpunchhole_t fpunchhole; + fpunchhole.fp_flags =3D 0; + fpunchhole.reserved =3D 0; + fpunchhole.fp_offset =3D aiocb->aio_offset; + fpunchhole.fp_length =3D aiocb->aio_nbytes; + if (fcntl(s->fd, F_PUNCHHOLE, &fpunchhole) =3D=3D -1) { + ret =3D errno =3D=3D ENODEV ? -ENOTSUP : -errno; + } else { + ret =3D 0; + } #endif } =20 - ret =3D translate_err(ret); if (ret =3D=3D -ENOTSUP) { s->has_discard =3D false; } @@ -2095,6 +2110,26 @@ static int raw_co_flush_to_disk(BlockDriverState *bs) return raw_thread_pool_submit(bs, handle_aiocb_flush, &acb); } =20 +static int raw_probe_blocksizes(BlockDriverState *bs, BlockSizes *bsz) +{ +#if defined(__APPLE__) && (__MACH__) + BDRVRawState *s =3D bs->opaque; + struct statfs buf; + + if (!fstatfs(s->fd, &buf)) { + bsz->phys =3D 0; + bsz->log =3D 0; + bsz->opt_io =3D buf.f_iosize; + bsz->discard_granularity =3D buf.f_bsize; + return 0; + } + + return -errno; +#else + return -ENOTSUP; +#endif +} + static void raw_aio_attach_aio_context(BlockDriverState *bs, AioContext *new_context) { @@ -3229,6 +3264,7 @@ BlockDriver bdrv_file =3D { .bdrv_refresh_limits =3D raw_refresh_limits, .bdrv_io_plug =3D raw_aio_plug, .bdrv_io_unplug =3D raw_aio_unplug, + .bdrv_probe_blocksizes =3D raw_probe_blocksizes, .bdrv_attach_aio_context =3D raw_aio_attach_aio_context, =20 .bdrv_co_truncate =3D raw_co_truncate, diff --git a/block/nvme.c b/block/nvme.c index 5a6fbacf4a5..6d84bbdb632 100644 --- a/block/nvme.c +++ b/block/nvme.c @@ -983,6 +983,8 @@ static int nvme_probe_blocksizes(BlockDriverState *bs, = BlockSizes *bsz) uint32_t blocksize =3D nvme_get_blocksize(bs); bsz->phys =3D blocksize; bsz->log =3D blocksize; + bsz->opt_io =3D 0; + bsz->discard_granularity =3D -1; return 0; } =20 diff --git a/hw/block/block.c b/hw/block/block.c index 1e34573da71..c907e5a7722 100644 --- a/hw/block/block.c +++ b/hw/block/block.c @@ -70,19 +70,27 @@ bool blkconf_blocksizes(BlockConf *conf, Error **errp) backend_ret =3D blk_probe_blocksizes(blk, &blocksizes); /* fill in detected values if they are not defined via qemu command li= ne */ if (!conf->physical_block_size) { - if (!backend_ret) { + if (!backend_ret && blocksizes.phys) { conf->physical_block_size =3D blocksizes.phys; } else { conf->physical_block_size =3D BDRV_SECTOR_SIZE; } } if (!conf->logical_block_size) { - if (!backend_ret) { + if (!backend_ret && blocksizes.log) { conf->logical_block_size =3D blocksizes.log; } else { conf->logical_block_size =3D BDRV_SECTOR_SIZE; } } + if (!backend_ret) { + if (!conf->opt_io_size) { + conf->opt_io_size =3D blocksizes.opt_io; + } + if (conf->discard_granularity =3D=3D -1) { + conf->discard_granularity =3D blocksizes.discard_granularity; + } + } =20 if (conf->logical_block_size > conf->physical_block_size) { error_setg(errp, diff --git a/include/block/block.h b/include/block/block.h index a193545b6ab..31bf3acacad 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -91,6 +91,8 @@ typedef enum { typedef struct BlockSizes { uint32_t phys; uint32_t log; + uint32_t discard_granularity; + uint32_t opt_io; } BlockSizes; =20 typedef struct HDGeometry { --=20 2.24.3 (Apple Git-128)