From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 026CE45C6FD; Fri, 14 Aug 2026 09:26:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786699579; cv=none; b=jqJaoGHg+wp23IPa54dhdRH5mYRYTwi9Ma6kknnt3RHUr1SZ+KYZiaxTZG7SA+j16g054PYz3SRENnO4wE6C1B5yfakGpifF2YX/L6ZUxOZ4O0/bFLr7nEn1Ze7e/Q79rMY8iPilxDqoyr10xnWqXidXpzswgNcPkrU8yTKM39s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786699579; c=relaxed/simple; bh=x5KSzFtHaSuLva9/HOEoCWV3PRhXt6+42FwNvOlBKnE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uDZYNKhGrP5/PttnmnQ0G5YCmFwCSTcpwMF9uMBm4RPnwIQCyPj00dHBAX+pvLdhiWRcK7KEz+f/IQQytufq4wtK0MVRyFsOOkhTu9XfoyqOk99wqXyVXmMXcXdokYpaaFqJTIqzviI2I6c5OLsDBbo5loO1qRbo/bBxT4V4plQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UOQQqfzh; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UOQQqfzh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7B491F00A3A; Fri, 14 Aug 2026 09:26:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786699577; bh=QUXeMqxPDFfB1YOreWMQBvO4KxPIdaHtnGf4i8sQDz4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=UOQQqfzhEfsuYP/m3e+Ed/w5/0NRir1nxh8SN/yzQgQCVWm8iC99JZWZIyc0i+4Mb ZA5aZEJY8WgXXyqnPCMbCDGWY8dzkQSpjxjebuMoRC8tM/ZhsfYdYATzgMRykKlQg1 WLVPd+l4dnj9AZyUCRjloQhYl47UlOzqRXAJ+8N8ZMZyTGjry7RrAWtX4pLSCPNxT7 kNbe4lC84BUyLqsNGBHwPf3LA0Vwq70rtO4xEy4gx9bV6ywnkq791wnD5tms0Nvfxy UdqxHUEVU6Nwt4ufyPKO4f8+5dgPVxxOq38HZV7NeyapxYT+KAMilkiFKaoPSvU/w7 wwlPOhUQtTllA== From: Andrey Albershteyn To: djwong@kernel.org, ebiggers@kernel.org, hch@lst.de, Jens Axboe , Carlos Maiolino Cc: Andrey Albershteyn , fsverity@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-block@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-btrfs@vger.kernel.org, david@fromorbit.com, Tal Zussman Subject: [PATCH v15 09/25] iomap: add a iomap_ioend_flags helper Date: Fri, 14 Aug 2026 11:24:26 +0200 Message-ID: <20260814092448.1818082-10-aalbersh@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260814092448.1818082-1-aalbersh@kernel.org> References: <20260814092448.1818082-1-aalbersh@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Christoph Hellwig Add a helper to initialize the ioend flags to the values that can be directly derived from the iomap. Signed-off-by: Christoph Hellwig Reviewed-by: "Darrick J. Wong" --- fs/iomap/ioend.c | 12 ++++-------- include/linux/iomap.h | 12 ++++++++++++ 2 files changed, 16 insertions(+), 8 deletions(-) diff --git a/fs/iomap/ioend.c b/fs/iomap/ioend.c index fb636dce43af..d71e7f5609c6 100644 --- a/fs/iomap/ioend.c +++ b/fs/iomap/ioend.c @@ -215,7 +215,7 @@ ssize_t iomap_add_to_ioend(struct iomap_writepage_ctx *wpc, struct folio *folio, { struct iomap_ioend *ioend = wpc->wb_ctx; size_t poff = offset_in_folio(folio, pos); - unsigned int ioend_flags = 0; + unsigned int ioend_flags = iomap_ioend_flags(&wpc->iomap); unsigned int map_len = min_t(u64, dirty_len, wpc->iomap.offset + wpc->iomap.length - pos); int error; @@ -225,20 +225,16 @@ ssize_t iomap_add_to_ioend(struct iomap_writepage_ctx *wpc, struct folio *folio, WARN_ON_ONCE(!folio->private && map_len < dirty_len); switch (wpc->iomap.type) { - case IOMAP_UNWRITTEN: - ioend_flags |= IOMAP_IOEND_UNWRITTEN; - break; - case IOMAP_MAPPED: - break; case IOMAP_HOLE: return map_len; + case IOMAP_UNWRITTEN: + case IOMAP_MAPPED: + break; default: WARN_ON_ONCE(1); return -EIO; } - if (wpc->iomap.flags & IOMAP_F_SHARED) - ioend_flags |= IOMAP_IOEND_SHARED; if (folio_test_dropbehind(folio)) ioend_flags |= IOMAP_IOEND_DONTCACHE; if (pos == wpc->iomap.offset && (wpc->iomap.flags & IOMAP_F_BOUNDARY)) diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 56b43d594e6e..7328e30fb8ad 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -415,6 +415,18 @@ sector_t iomap_bmap(struct address_space *mapping, sector_t bno, (IOMAP_IOEND_SHARED | IOMAP_IOEND_UNWRITTEN | IOMAP_IOEND_DIRECT | \ IOMAP_IOEND_DONTCACHE) +/* ioend flags directly implied by iomap flags */ +static inline u16 iomap_ioend_flags(const struct iomap *iomap) +{ + unsigned int flags = 0; + + if (iomap->type == IOMAP_UNWRITTEN) + flags |= IOMAP_IOEND_UNWRITTEN; + if (iomap->flags & IOMAP_F_SHARED) + flags |= IOMAP_IOEND_SHARED; + return flags; +} + /* * Structure for writeback I/O completions. * -- 2.54.0