From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id B37226B0089 for ; Tue, 23 Nov 2010 09:50:24 -0500 (EST) Received: by mail-qw0-f41.google.com with SMTP id 8so52264qwj.14 for ; Tue, 23 Nov 2010 06:50:23 -0800 (PST) From: Ben Gamari Subject: [PATCH 3/3] Inform kernel of FADV_DONTNEED hint in receiver Date: Tue, 23 Nov 2010 09:49:52 -0500 Message-Id: <1290523792-6170-4-git-send-email-bgamari.foss@gmail.com> In-Reply-To: <20101122103756.E236.A69D9226@jp.fujitsu.com> References: <20101122103756.E236.A69D9226@jp.fujitsu.com> Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro , Minchan Kim , rsync@lists.samba.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Rik van Riel , Andrew Morton , Johannes Weiner , Nick Piggin , Ben Gamari List-ID: Use the FADV_DONTNEED fadvise hint after finishing writing to a destinataion fd in the receiver. --- receiver.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/receiver.c b/receiver.c index 39c5e49..33b21fb 100644 --- a/receiver.c +++ b/receiver.c @@ -721,6 +721,12 @@ int recv_files(int f_in, char *local_name) recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, fname, fd2, F_LENGTH(file)); + if (do_fadvise(fd2, 0, 0, POSIX_FADV_DONTNEED) != 0) { + rsyserr(FERROR_XFER, errno, + "fadvise failed in writing %s", + full_fname(fname)); + } + log_item(log_code, file, &initial_stats, iflags, NULL); if (fd1 != -1) -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org