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Thu, 4 Jul 2024 13:23:58 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pankajraghav.com; s=MBO0001; t=1720092238; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1hpvVZhxiYoy4pHnc2n7weXG4jb43hSIPB2EVq7bVws=; b=00kjlnBkN+LFlFpx4Eq52EeamnWssvWwfljypGOm40D8wTb6EFYbFsfO4ZTKtAU+tkUyLD imYXE7KY44rOVP91eM+h1IFMWXnWBKPm71KVJaME2OcNTGJAnYRtVHREDEwyK2/Ozp4AIh HGejFkLqr9Jh3YeQEVFddQ2fM53b/Aakqd7mMAW1yONbIbr3IYBwcBpb7ULEWNivySKijP dBMS+vcw0iEwr6ViD07vvA9/F2AzHkarFSpNnn2fgyWvMFK8N1/T/4AX26a8PJ2RkWRrVG 3q83gwfRzypqiqPaZxRQZga3SmyJr6cl0RP3UEebVQXHww4CBZ/FCZeVp6shLw== From: "Pankaj Raghav (Samsung)" To: david@fromorbit.com, willy@infradead.org, chandan.babu@oracle.com, djwong@kernel.org, brauner@kernel.org, akpm@linux-foundation.org Cc: yang@os.amperecomputing.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, john.g.garry@oracle.com, linux-fsdevel@vger.kernel.org, hare@suse.de, p.raghav@samsung.com, mcgrof@kernel.org, gost.dev@samsung.com, cl@os.amperecomputing.com, linux-xfs@vger.kernel.org, kernel@pankajraghav.com, hch@lst.de, Zi Yan , Dave Chinner Subject: [PATCH v9 08/10] xfs: expose block size in stat Date: Thu, 4 Jul 2024 11:23:18 +0000 Message-ID: <20240704112320.82104-9-kernel@pankajraghav.com> In-Reply-To: <20240704112320.82104-1-kernel@pankajraghav.com> References: <20240704112320.82104-1-kernel@pankajraghav.com> MIME-Version: 1.0 X-Stat-Signature: 7kszsxu9odwdh1mrj9ckxnwq7mzcoxm9 X-Rspam-User: X-Rspamd-Queue-Id: CE7E8100027 X-Rspamd-Server: rspam02 X-HE-Tag: 1720092241-305043 X-HE-Meta: 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 RRNW+cjL 88Y+JPUpJt3mFnuxl9+nCSxXqqWwQEsNWR9ygMBA+aodqUe9E/d/OoxqHxeYAWYMoi2JEiHLX/QECvTWErPCNNgy2vxlvFixoz+1UgopHakUGICrElMl3lkXH/Y92Oo7HFbgnsHP7jfkcng6WGE1ycs4ekTQfhrOY01p8Ze3UT30dM7l/c4+H7Awz8ibRAVIEh7yFxzj2Cy0q1bb7jtRSVAYwOwSCqhLg/jrRQ5grob5V7yVBrtsQQNmUw4hjaM/9vslpU9KBLM/c11QLT/BrdOMWU+Kkj95hdpMDFo4uvsBI3M/cxYHbS5V+2EA+XI68l26I0CiQxGTzgLqDOvW8BgpHoQB5GtaIleJbznVtor4hgFnpT5zj1T6a6xERCQt7S/T+yyygNgbJJlbl6okNFkpkGwXXdkL3FlQpinEhcDN5ZHO0ndIbSrjtXGwFkhhtROWkwCN71b1ypii2zVgnyK1xog== 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: List-Subscribe: List-Unsubscribe: From: Pankaj Raghav For block size larger than page size, the unit of efficient IO is the block size, not the page size. Leaving stat() to report PAGE_SIZE as the block size causes test programs like fsx to issue illegal ranges for operations that require block size alignment (e.g. fallocate() insert range). Hence update the preferred IO size to reflect the block size in this case. This change is based on a patch originally from Dave Chinner.[1] [1] https://lwn.net/ml/linux-fsdevel/20181107063127.3902-16-david@fromorbit.com/ Signed-off-by: Pankaj Raghav Signed-off-by: Luis Chamberlain Reviewed-by: Darrick J. Wong Reviewed-by: Dave Chinner --- fs/xfs/xfs_iops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index a00dcbc77e12b..da5c13150315e 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -562,7 +562,7 @@ xfs_stat_blksize( return 1U << mp->m_allocsize_log; } - return PAGE_SIZE; + return max_t(uint32_t, PAGE_SIZE, mp->m_sb.sb_blocksize); } STATIC int