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30 May 2023 07:59:39 -0700 IronPort-SDR: vm077LYPjNAgf5XlpecJ/3icJc5CMvd0lv/Avf1qt9Q/GL6TJkcMXRi6IgIjrnSc7COF5QrvoM rybn4aIsk3ovkS/odxyg0sJi8dTutwPKjZDfzTgOQd2shRAOUl0eyZW+AxMzq0gSSpTLt0zblr UlT5/9heJdPYSEr71OD35L2+mnxp5yfUxAvMikvD+47W4RcDny9nyhyoPmkkZUZCDcFsZlAdtd Z+zkSGqfSgcxDW2nlTOB+X8K7FgyMtw8b3N4WfdZtYRGEapJ7oDAz61v2TGB77bpv7441w8fn/ igk= WDCIronportException: Internal Received: from unknown (HELO redsun91.ssa.fujisawa.hgst.com) ([10.149.66.6]) by uls-op-cesaip02.wdc.com with ESMTP; 30 May 2023 08:50:24 -0700 From: Johannes Thumshirn To: Jens Axboe Cc: Christoph Hellwig , Hannes Reinecke , Chaitanya Kulkarni , Damien Le Moal , Ming Lei , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, dm-devel@redhat.com, Song Liu , linux-raid@vger.kernel.org, Mike Snitzer , Matthew Wilcox , Dave Kleikamp , jfs-discussion@lists.sourceforge.net, cluster-devel@redhat.com, Bob Peterson , Andreas Gruenbacher , Mikulas Patocka , gouhao@uniontech.com, Johannes Thumshirn Subject: [PATCH v6 19/20] fs: iomap: use __bio_add_folio where possible Date: Tue, 30 May 2023 08:49:22 -0700 Message-Id: X-Mailer: git-send-email 2.40.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: C582D40010 X-Rspam-User: X-Stat-Signature: rrjjzwpubjj8rnte59i8b1zepw7m8ur6 X-Rspamd-Server: rspam03 X-HE-Tag: 1685461827-936313 X-HE-Meta: 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 TfIDZl1H vD9GE+iCMJTq0zTvbEutqZp28tECgHLbm7wO+YZ2DUUVhy1YM9yhcuA1VANN7rv/CKHECpYttBV+d5yS7JJsPF1SueIF+347z5/+lbQ54v9s+g+IXJRJQvXGmHiu0xLyNC9+IM5WxMszv2+M7kto63k6oiXx8aVPtUmHUau6vcxkc/KpcUpa7/P2GHC/dOiM28lf3iVqM7UIlrxnmJ5M4q1Vrw4Gn+HTGTIahFlRT80hN5N2/W29XEgwvcLmhD5RqNnFGlv+6KQ/vWXwJPblVvl9wmfTaqtW1ZYDe+prKwRmF7PZTPdvIdqHDKpePNcD5olN3n0hUkNeJi/kXoAfbe9JMOyX1bj/rObqS8WsODy2dncd/vfkalLQbKpUTLW+9Y8KPHdSo5BYoMs6tEIN1fe+EeA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: When the iomap buffered-io code can't add a folio to a bio, it allocates a new bio and adds the folio to that one. This is done using bio_add_folio(), but doesn't check for errors. As adding a folio to a newly created bio can't fail, use the newly introduced __bio_add_folio() function. Signed-off-by: Johannes Thumshirn --- fs/iomap/buffered-io.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 063133ec77f4..42c5fc0ad329 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -312,7 +312,7 @@ static loff_t iomap_readpage_iter(const struct iomap_iter *iter, ctx->bio->bi_opf |= REQ_RAHEAD; ctx->bio->bi_iter.bi_sector = sector; ctx->bio->bi_end_io = iomap_read_end_io; - bio_add_folio(ctx->bio, folio, plen, poff); + __bio_add_folio(ctx->bio, folio, plen, poff); } done: @@ -539,7 +539,7 @@ static int iomap_read_folio_sync(loff_t block_start, struct folio *folio, bio_init(&bio, iomap->bdev, &bvec, 1, REQ_OP_READ); bio.bi_iter.bi_sector = iomap_sector(iomap, block_start); - bio_add_folio(&bio, folio, plen, poff); + __bio_add_folio(&bio, folio, plen, poff); return submit_bio_wait(&bio); } @@ -1582,7 +1582,7 @@ iomap_add_to_ioend(struct inode *inode, loff_t pos, struct folio *folio, if (!bio_add_folio(wpc->ioend->io_bio, folio, len, poff)) { wpc->ioend->io_bio = iomap_chain_bio(wpc->ioend->io_bio); - bio_add_folio(wpc->ioend->io_bio, folio, len, poff); + __bio_add_folio(wpc->ioend->io_bio, folio, len, poff); } if (iop) -- 2.40.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A16CC77B7C for ; Wed, 31 May 2023 11:39:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0A9EE8E0003; Wed, 31 May 2023 07:39:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 030578E0002; Wed, 31 May 2023 07:39:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D9F3D8E0003; Wed, 31 May 2023 07:39:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id BC4F08E0002 for ; Wed, 31 May 2023 07:39:08 -0400 (EDT) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 64281120377 for ; 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31 May 2023 03:53:57 -0700 IronPort-SDR: dJb/CRSP3Swr2x2jiC+paW0dnGjzm6Bz1GAlGKlca4A7q/x/ky8HuVCu7AA6VYX5uJ0Ewh5t3x q+iWl5HlhzQMV3D+zIls3XMo7zp44uRPShf3qZmHTVjlHtCyJhoy3EfEEf+h9hvbiHfRi/SZaM d9U7RaXciqVsSQr8sZoG/qgLo3wszKIv+4kHv8jpR5BKyb+/H8r/7FEY1iK6JWuO591/DsqLKl X5ltcT6eaJJce6CRG0s8vZd0Q95JNHPvX3nOAbDWSbgMiVFC4dhkCvQP9zoXpp+VrisQgvbaoC Beg= WDCIronportException: Internal Received: from unknown (HELO redsun91.ssa.fujisawa.hgst.com) ([10.149.66.6]) by uls-op-cesaip02.wdc.com with ESMTP; 31 May 2023 04:39:02 -0700 From: Johannes Thumshirn To: Jens Axboe Cc: Christoph Hellwig , Hannes Reinecke , Chaitanya Kulkarni , Damien Le Moal , Ming Lei , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, dm-devel@redhat.com, Song Liu , linux-raid@vger.kernel.org, Mike Snitzer , Matthew Wilcox , Dave Kleikamp , jfs-discussion@lists.sourceforge.net, cluster-devel@redhat.com, Bob Peterson , Andreas Gruenbacher , Mikulas Patocka , gouha7@uniontech.com, Johannes Thumshirn Subject: [PATCH v6 19/20] fs: iomap: use __bio_add_folio where possible Date: Wed, 31 May 2023 04:38:01 -0700 Message-ID: X-Mailer: git-send-email 2.40.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4E3A3160010 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: s9rg6ic6qrrd7oq75f99sxmaxwh6bg4r X-HE-Tag: 1685533146-572880 X-HE-Meta: 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 bd/KygDN RZ3hXlsmwiL9BJumsjo8JYMfhsVlErGfl2r4ENyiCKzkk0pilq29ipxhOEkPZfgSAqH8kQSJQgNL51A3DbK5F/n09AiPXEezUTsDqhP58C5OvZJkPCwE+ahEH8O/WplzRnZvQUD7THeAik5Wa6QvIQyiCi+7RiWIhMTvgThyHR33d1//YKwfrS77N29bTOtDmqPTZ+bmPDorh0WOiKX828//RmYwFum3WrWwEQQ0UDlJuqI2FYlJJiu7ZiL6RR7hcjR6La8h5dua+axJ7Km7+DQMjrwVtnMvf3PDOM2WCjwg/ZtF7LVsq1rTnWIaiTiL2wQXPubUfvaXyJQJlSlS/jghh6Jv9oK+nrCRJl0dw1ZWLIH5LdWIRdnSrqKQyH+9XGvPya7lRDdSeI/Qv+jz9Z608LQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Message-ID: <20230531113801.oqrRQw9_ZJBj2bneKuRQoPnF-jA9BsQyVPDudu74HWg@z> When the iomap buffered-io code can't add a folio to a bio, it allocates a new bio and adds the folio to that one. This is done using bio_add_folio(), but doesn't check for errors. As adding a folio to a newly created bio can't fail, use the newly introduced __bio_add_folio() function. Signed-off-by: Johannes Thumshirn --- fs/iomap/buffered-io.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 063133ec77f4..42c5fc0ad329 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -312,7 +312,7 @@ static loff_t iomap_readpage_iter(const struct iomap_iter *iter, ctx->bio->bi_opf |= REQ_RAHEAD; ctx->bio->bi_iter.bi_sector = sector; ctx->bio->bi_end_io = iomap_read_end_io; - bio_add_folio(ctx->bio, folio, plen, poff); + __bio_add_folio(ctx->bio, folio, plen, poff); } done: @@ -539,7 +539,7 @@ static int iomap_read_folio_sync(loff_t block_start, struct folio *folio, bio_init(&bio, iomap->bdev, &bvec, 1, REQ_OP_READ); bio.bi_iter.bi_sector = iomap_sector(iomap, block_start); - bio_add_folio(&bio, folio, plen, poff); + __bio_add_folio(&bio, folio, plen, poff); return submit_bio_wait(&bio); } @@ -1582,7 +1582,7 @@ iomap_add_to_ioend(struct inode *inode, loff_t pos, struct folio *folio, if (!bio_add_folio(wpc->ioend->io_bio, folio, len, poff)) { wpc->ioend->io_bio = iomap_chain_bio(wpc->ioend->io_bio); - bio_add_folio(wpc->ioend->io_bio, folio, len, poff); + __bio_add_folio(wpc->ioend->io_bio, folio, len, poff); } if (iop) -- 2.40.1