All of lore.kernel.org
 help / color / mirror / Atom feed
From: agk@sourceware.org <agk@sourceware.org>
To: lvm-devel@redhat.com
Subject: LVM2 ./WHATS_NEW daemons/clvmd/clvmd-command.c
Date: 1 Dec 2006 22:48:47 -0000	[thread overview]
Message-ID: <20061201224847.22529.qmail@sourceware.org> (raw)

CVSROOT:	/cvs/lvm2
Module name:	LVM2
Changes by:	agk at sourceware.org	2006-12-01 22:48:47

Modified files:
	.              : WHATS_NEW 
	daemons/clvmd  : clvmd-command.c 

Log message:
	Fix VG clustered read locks to use PR not CR.
	
	VG metadata reads were not being locked out during metadata updates.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.512&r2=1.513
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/daemons/clvmd/clvmd-command.c.diff?cvsroot=lvm2&r1=1.11&r2=1.12

--- LVM2/WHATS_NEW	2006/11/30 23:11:39	1.512
+++ LVM2/WHATS_NEW	2006/12/01 22:48:47	1.513
@@ -1,5 +1,6 @@
 Version 2.02.16 -
 ====================================
+  Fix VG clustered read locks to use PR not CR.
   Adjust some alignments for ia64/sparc.
   Fix mirror segment removal to use temporary error segment.
   Always compile debug logging into clvmd.
--- LVM2/daemons/clvmd/clvmd-command.c	2006/10/09 14:11:57	1.11
+++ LVM2/daemons/clvmd/clvmd-command.c	2006/12/01 22:48:47	1.12
@@ -191,7 +191,11 @@
 	    dm_hash_remove(lock_hash, lockname);
     }
     else {
-
+	/* Read locks need to be PR; other modes get passed through */
+	if ((lock_cmd & LCK_TYPE_MASK) == LCK_READ) {
+	    lock_cmd &= ~LCK_TYPE_MASK;
+	    lock_cmd |= LKM_PRMODE;
+	}
 	status = sync_lock(lockname, (int)lock_cmd, (lock_flags & LCK_NONBLOCK) ? LKF_NOQUEUE : 0, &lkid);
 	if (status)
 	    status = errno;



             reply	other threads:[~2006-12-01 22:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-01 22:48 agk [this message]
  -- strict thread matches above, loose matches on Subject: below --
2010-11-30 22:11 LVM2 ./WHATS_NEW daemons/clvmd/clvmd-command.c zkabelac
2010-11-30 22:16 zkabelac
2011-09-22  9:45 zkabelac
2011-09-22  9:47 zkabelac
2012-01-25 22:17 zkabelac
2012-03-23  9:48 zkabelac

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20061201224847.22529.qmail@sourceware.org \
    --to=agk@sourceware.org \
    --cc=lvm-devel@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.