From nobody Sun Feb 8 02:55:55 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 98BDF2D0625 for ; Tue, 28 Oct 2025 19:54:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761681286; cv=none; b=CVxdSHpFIYg/Gzr/WPLCzaiClg/lfLAMtKGNGpBbZFrgrjFexx9k+AHpipgdXNUIgmDq9Lg3s1W6sm+Me5+b5EeEOj2jC6m6B6FGkGIE//2LIUWzB5UOiZzuCt2hXcnJM9JbpyxvRgglbBaxnUe3m1fOWIRXQQwVsjVZZWSWNAo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761681286; c=relaxed/simple; bh=sLuFwvAwHUNO/skdE7BzrktYPRAzXyoh3REUgst9oAM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=LvTvnjWdxxLMfdXiA8oWpis+lU9aJrg8nx/cOgpgCdCCkwb39qkUuOob4CJRswLXgdzX8DJyO5U/fES3qjtvJJXFug5Dzfv+Irb9lS0+AQwm3xWFHAt5zgN5k90UUwlYHleZKNgtMTHnItaRHYr2Vp60RK6WgUbSQlEWb6gQnZI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=En50DAfU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="En50DAfU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A8B7C4CEE7; Tue, 28 Oct 2025 19:54:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761681286; bh=sLuFwvAwHUNO/skdE7BzrktYPRAzXyoh3REUgst9oAM=; h=From:To:Cc:Subject:Date:From; b=En50DAfURMwXsnoO7ty2KsDNFEjyMIKRKv83LzWhaGEwphyfErYT9jDhE8kZx78vh kvCCpMWW4uLtZN/bi9mSSJtQw7/wNqe6HrW53e40W6gEV8Y2tJ3fDMVHsa/zyQcWsL rW2NHErauKIyGnpIezZG0fLiURuQpLtXiwHKIE+MvpS8/qdP9pmI8Y0Hbmu06OFrmG j/wDKnOUVaM3PsQ8VwsK0m+w9wYdUdqLM18ioVCkjbz6+7cYI31ABz42zaOZSa++os 1RmG0YjIihIRyTs9Fp+9/eWg7c+4eMJeb/fqS3FSMC7iy6B8KvzktN/rK4ZGeeQehb Fm0nChBPrKTsA== From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH] f2fs: add fadvise tracepoint Date: Tue, 28 Oct 2025 19:54:44 +0000 Message-ID: <20251028195444.3181203-1-jaegeuk@kernel.org> X-Mailer: git-send-email 2.51.1.851.g4ebd6896fd-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This adds a tracepoint in the fadvise call path. Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu --- fs/f2fs/file.c | 2 ++ include/trace/events/f2fs.h | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 6d42e2d28861..4a81089c5df3 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -5288,6 +5288,8 @@ static int f2fs_file_fadvise(struct file *filp, loff_= t offset, loff_t len, struct inode *inode =3D file_inode(filp); int err; =20 + trace_f2fs_fadvise(inode, offset, len, advice); + if (advice =3D=3D POSIX_FADV_SEQUENTIAL) { if (S_ISFIFO(inode->i_mode)) return -ESPIPE; diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index edbbd869078f..b7f5317b5980 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -586,6 +586,38 @@ TRACE_EVENT(f2fs_file_write_iter, __entry->ret) ); =20 +TRACE_EVENT(f2fs_fadvise, + + TP_PROTO(struct inode *inode, loff_t offset, loff_t len, int advice), + + TP_ARGS(inode, offset, len, advice), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(loff_t, size) + __field(loff_t, offset) + __field(loff_t, len) + __field(int, advice) + ), + + TP_fast_assign( + __entry->dev =3D inode->i_sb->s_dev; + __entry->ino =3D inode->i_ino; + __entry->size =3D inode->i_size; + __entry->offset =3D offset; + __entry->len =3D len; + __entry->advice =3D advice; + ), + + TP_printk("dev =3D (%d,%d), ino =3D %lu, i_size =3D %lld offset:%llu, len= :%llu, advise:%d", + show_dev_ino(__entry), + (unsigned long long)__entry->size, + __entry->offset, + __entry->len, + __entry->advice) +); + TRACE_EVENT(f2fs_map_blocks, TP_PROTO(struct inode *inode, struct f2fs_map_blocks *map, int flag, int ret), --=20 2.51.1.851.g4ebd6896fd-goog