From mboxrd@z Thu Jan 1 00:00:00 1970 From: swhiteho@redhat.com Date: Mon, 21 Jan 2008 09:21:35 +0000 Subject: [Cluster-devel] [PATCH 17/58] [GFS2] Given device ID rather than s_id in "id" sysfs file In-Reply-To: <12009073698-git-send-email-swhiteho@redhat.com> References: <1200907336293-git-send-email-swhiteho@redhat.com> <12009073443813-git-send-email-swhiteho@redhat.com> <12009073453549-git-send-email-swhiteho@redhat.com> <1200907348435-git-send-email-swhiteho@redhat.com> <12009073492811-git-send-email-swhiteho@redhat.com> <12009073512300-git-send-email-swhiteho@redhat.com> <12009073531216-git-send-email-swhiteho@redhat.com> <12009073542596-git-send-email-swhiteho@redhat.com> <1200907356883-git-send-email-swhiteho@redhat.com> <12009073571991-git-send-email-swhiteho@redhat.com> <12009073591688-git-send-email-swhiteho@redhat.com> <12009073611695-git-send-email-swhiteho@redhat.com> <1200907362266-git-send-email-swhiteho@redhat.com> <12009073642512-git-send-email-swhiteho@redhat.com> <12009073662309-git-send-email-swhiteho@redhat.com> <12009073671755-git-send-email-swhiteho@redhat.com> <12009073698-git-send-email-swhiteho@redhat.com> Message-ID: <12009073701982-git-send-email-swhiteho@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Bob Peterson This patch changes the /sys/fs/gfs2//id file to give the device id "major:minor" rather than the s_id. That enables gfs2_tool to match devices properly (by id, not name) when locating the tuning files. Signed-off-by: Bob Peterson Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 1359198..65dd065 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -32,7 +32,8 @@ spinlock_t gfs2_sys_margs_lock; static ssize_t id_show(struct gfs2_sbd *sdp, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", sdp->sd_vfs->s_id); + return snprintf(buf, PAGE_SIZE, "%u:%u\n", + MAJOR(sdp->sd_vfs->s_dev), MINOR(sdp->sd_vfs->s_dev)); } static ssize_t fsname_show(struct gfs2_sbd *sdp, char *buf) -- 1.5.1.2