From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794413999; b=V6A9Y/jeYz/cRn7JLSIz+L0qi1f6oVlW4iOjiIYIWz3I1McU7KdDkgGiKiJ239Q8WjAP 2Jccz+IkJg/m/Qim3CYDuQRiRrdvdY7vd1oKhBaAnvgjACrrsJbqIdnGrDyrnb30PnGr2 8PaLJrEsH6crCNgg8tmoCy9KHGjOSCba7WC8IErbDQUQN8LgX8UWbj+bBe5dExKb/YSEV znbnP2C9wxZilY0eNdl1R3IvUXMIm6ZC3wVz1Nj6Br1pfV4bSD2DIXqLK46SSjyNQZIKD QJfK0oMgnvBDzntlHJPqR95NaPQphvGPkwA5GwUI13Af8I+LuVSN7kDDwv1wm9d7Hrw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794413999; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=tpFQVvTSPM1AW6QGgundhbRDMIIJQ5qoStTy037Hp+A=; b=X5wWKLDfYwT2ewsL99nbBH/OYq+FzliWd7DuHHMGrUDkro26eKsb0A0nJghJMlxm6duI J6jCMynsAm2b6xHIul6OkQUEn2FYCqilbQb0CtUts3gt9W5h5seM3kZnJeXz14LECqmjS FZuGBCIbyE66C3sn8O3y0tHMAw2yAL5Jxigu7HOwyAzrQWko3hnu8/EnzgBgSWVVLV+9l WOMPbfWG5vIzLVrsPPhiqJ3VkNRDpVBnEtJV0fGWCM8MWSIyR2lMAtnfLL5Ji/j1r4GVn 27b+BaznhrbBDlmdGw08Jb/MSqA6UIZXWAVVX/EDr2d53GEmIAJfvWYIKEqr5atHPJw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=S4Y0H9U9; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DD2260A263C for ; Wed, 11 Nov 2026 16:19:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=S4Y0H9U9 Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0C031F00A07; Wed, 11 Nov 2026 16:19:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794413999; bh=tpFQVvTSPM1AW6QGgundhbRDMIIJQ5qoStTy037Hp+A=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=S4Y0H9U9M+R20k7ItmCkXwkB03NGP/hWSVoeNSwYzm+acNt3qPBC4NQVDZE+xF5yb Z2FRGiXxbFS4L+M7KwNHk7tQSUDfIUM290Mvnrpx8YA5kihmm+rS/ZpAMmP+NSmbI/ eVtwoiOFDAas3PMuZwm3vt+1zqDv6IcNke1bwW/qkCpHSxbbmkY1eLTlC3TwPKklFB oit7kI0cjOCz/QipWn64KeV2i5d8bOG/UBbHgRcUCvGJM81NevukIW1XrEwDZq41sj fKcCXJjbwh83GWbJGf62/OBHIYoe2sqlRUSGNPNZLG+mhXUiAL1G5a3JPck92+jClE 86Cp5qjLEzV2w== From: Sasha Levin To: stable@vger.kernel.org Cc: Chung-Chiang Cheng , Amir Goldstein , Jan Kara , Christian Brauner , Sasha Levin Subject: [PATCH 5.10.y 3/5] splice: report related fsnotify events Date: Wed, 11 Nov 2026 11:19:54 -0500 Message-ID: <20261111161949.3187571-3-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261111161949.3187571-1-sashal@kernel.org> References: <20261107063106-failed-5.10-79b496ebe382@kernel.org> <20261111161949.3187571-1-sashal@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chung-Chiang Cheng [ Upstream commit 983652c691990b3257a07f67f4263eb847baa82d ] The fsnotify ACCESS and MODIFY event are missing when manipulating a file with splice(2). Signed-off-by: Chung-Chiang Cheng Reviewed-by: Amir Goldstein Acked-by: Jan Kara Message-Id: <20230322062519.409752-1-cccheng@synology.com> Signed-off-by: Christian Brauner Stable-dep-of: 79b496ebe382 ("splice: avoid stale f_pos writeback on error") Signed-off-by: Sasha Levin --- fs/splice.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/splice.c b/fs/splice.c index 8237ed720a35f..c4d3ac181a9f6 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -1079,6 +1080,9 @@ long do_splice(struct file *in, loff_t *off_in, struct file *out, ret = do_splice_from(ipipe, out, &offset, len, flags); file_end_write(out); + if (ret > 0) + fsnotify_modify(out); + if (!off_out) out->f_pos = offset; else @@ -1102,6 +1106,10 @@ long do_splice(struct file *in, loff_t *off_in, struct file *out, flags |= SPLICE_F_NONBLOCK; ret = splice_file_to_pipe(in, opipe, &offset, len, flags); + + if (ret > 0) + fsnotify_access(in); + if (!off_in) in->f_pos = offset; else -- 2.53.0