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=1794412740; b=xcZV15A8JM9yC1tPGy4qZswZVHPrLgrlcf9VDtD5uqDCyWK2JpZMYqIqAySQ923Ze56+ 8SIoDcLhohoORFsEt3M8BFW9bhSjezd8gBq/rlz2yAOMZvOaxoVEG7OLgU3di7ZfJ9x/F oHyh9z3hQMilAbv8s/FA7oLgajfv1Zfuod/hxtHIdD6FiQAuLF7IhQPATkDK6tw72ELMx KXg5PtbfYC72krZ+eB9e7F5ZQ4aiXi5Nowsr85DWua7voViIv3cMPesAlFtgu3Eoay2NX A/SZhqH6UD0rqwWo5znLkaNHQ78SP9RqnGRLRgKaAzXv5B6HMc+/UdayO2lZw7o/V2A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794412740; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=fMqK7Cg1yuf9osSO9G/i90EWPEYx2997fCxznjloMx8=; b=1nsqAYNaUZ8LEQ3mlKWdbpVC8/f9TCJY1Yk8Oi3NDzgEE5DFPsbK9037gs/fMJUubmo2 YNaN1zdN2dhPymkXE1weozMRgQbs+rOZk1VHm+2aej5+B76scYjMBHe7YU0lWsMovYXt9 95XX6IXQ2Y8oKHq9AIqEasD1UqAD27WFfdhc9Kfpr9f8LR6qtf0+yZ+Xt/dZApqrMMk8B PiGCnBgaPq/s9l7RNf1CLvdzRcVvvwIvl/XIaZMx7+BVHyOXHG8DMZzXS47eLSX9l/NWw rdc9CqEvmObmHFrjQw82iZpa+iFxhZ2Q5DftNCB1slXW2ERr1rVRVOZI0PNTTqCmu2Q== 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=nxE5ZTPB; 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 E47B9606A321 for ; Wed, 11 Nov 2026 15:58:59 +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=nxE5ZTPB Received: by smtp.kernel.org (Postfix) with ESMTPSA id E31A61F00A05; Wed, 11 Nov 2026 15:58:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794412739; bh=fMqK7Cg1yuf9osSO9G/i90EWPEYx2997fCxznjloMx8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=nxE5ZTPBfpg+SpbWgQrIg023c4XodXbw46dYasQD8OihE02XIckUZmwVTsGDi7DCA F/nzPhdxn9GRgpzz6TVYDP05sYH8RYA2bjso7gJ1NRccCHiHmrEU9z9kLjAJwi5QM5 bddhqXCdwh12ah1L38xOMsym0MiEpb5NYok8/pKsukQhOyx25yaeFO0B2IYuVFedrx KbmIECKXg0xWIhdidta14mJBJL/yFs1y+AoYxb1Tvq8hBEE3OoSxevgxJaKogTeQsr fLD+o9vQ8nddm5bHN4XMfk3OJukDUNg90CyjSRApb2PBU2921KrnJLPs87Q8WGneVc CB+q5F7mlaDBw== From: Sasha Levin To: stable@vger.kernel.org Cc: Chung-Chiang Cheng , Amir Goldstein , Jan Kara , Christian Brauner , Sasha Levin Subject: [PATCH 5.15.y 1/3] splice: report related fsnotify events Date: Wed, 11 Nov 2026 10:58:55 -0500 Message-ID: <20261111155849.2761399-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107061356-failed-5.15-79b496ebe382@kernel.org> References: <20261107061356-failed-5.15-79b496ebe382@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 a43152bb106fc..b939b101fd832 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -1108,6 +1109,9 @@ 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 @@ -1131,6 +1135,10 @@ 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