From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Kwolek Subject: [PATCH 01/27] FIX: wait_backup() sometimes hangs Date: Mon, 06 Dec 2010 14:20:53 +0100 Message-ID: <20101206132053.21125.10643.stgit@gklab-170-024.igk.intel.com> References: <20101206131821.21125.65217.stgit@gklab-170-024.igk.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20101206131821.21125.65217.stgit@gklab-170-024.igk.intel.com> Sender: linux-raid-owner@vger.kernel.org To: neilb@suse.de Cc: linux-raid@vger.kernel.org, dan.j.williams@intel.com, ed.ciechanowski@intel.com List-Id: linux-raid.ids mdadm cannot be compiled - just reminder Sometimes wait_backup() omits transition from reshape to idle state and mdadm seams to be hung. Add 1 sec. timeout for waiting on select. This allows for wait_backup exit when reshape is ended. Signed-off-by: Adam Kwolek --- Grow.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/Grow.c b/Grow.c index 99807b4..ecaeb39 100644 --- a/Grow.c +++ b/Grow.c @@ -2065,6 +2065,10 @@ static int wait_backup(struct mdinfo *sra, } while (completed < offset + blocks) { char action[20]; + struct timeval t; + + t.tv_sec = 1; + t.tv_usec = 0; fd_set rfds; FD_ZERO(&rfds); FD_SET(fd, &rfds);