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From: agk@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 ./WHATS_NEW_DM libdm/libdm-deptree.c Date: Tue, 15 May 2012 21:27:00 -0000 [thread overview] Message-ID: <20120515212728.12186.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: agk@sourceware.org 2012-05-15 21:27:25 Modified files: . : WHATS_NEW_DM libdm : libdm-deptree.c Log message: Set delay_resume_if_new on deptree snapshot origin. (Must avoid activating snapshot origin more than once concurrently.) Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW_DM.diff?cvsroot=lvm2&r1=1.601&r2=1.602 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/libdm-deptree.c.diff?cvsroot=lvm2&r1=1.165&r2=1.166 --- LVM2/WHATS_NEW_DM 2012/05/08 14:31:44 1.601 +++ LVM2/WHATS_NEW_DM 2012/05/15 21:27:24 1.602 @@ -1,5 +1,6 @@ Version 1.02.75 - ================================ + Set delay_resume_if_new on deptree snapshot origin. Log value chosen in _find_config_bool like other variable types do. Synchronize with dead of dmeventd. Rename (Blk)DevNames/DevNos dmsetup header to (Blk)DevNamesUsed/DevNosUsed. --- LVM2/libdm/libdm-deptree.c 2012/05/15 20:03:12 1.165 +++ LVM2/libdm/libdm-deptree.c 2012/05/15 21:27:24 1.166 @@ -2358,8 +2358,10 @@ if ((r = dm_task_run(dmt))) { r = dm_task_get_info(dmt, &dnode->info); if (r && !dnode->info.inactive_table) - log_verbose("Suppressed %s identical table reload.", - dnode->name); + log_verbose("Suppressed %s (%" PRIu32 ":%" PRIu32 + ") identical table reload.", + dnode->name, + dnode->info.major, dnode->info.minor); existing_table_size = dm_task_get_existing_table_size(dmt); if ((dnode->props.size_changed = @@ -2548,6 +2550,12 @@ /* Resume snapshot origins after new snapshots */ dnode->activation_priority = 1; + /* + * Don't resume the origin immediately in case it is a non-trivial + * target that must not be active more than once concurrently! + */ + origin_node->props.delay_resume_if_new = 1; + return 1; }
next reply other threads:[~2012-05-15 21:27 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-05-15 21:27 agk [this message] -- strict thread matches above, loose matches on Subject: below -- 2012-02-10 14:48 zkabelac 2012-02-10 14:42 zkabelac 2012-01-25 21:50 zkabelac 2011-10-17 13:15 mbroz 2011-10-14 13:34 zkabelac 2011-10-03 18:28 zkabelac 2011-09-07 8:37 zkabelac 2011-02-18 16:13 zkabelac 2009-07-03 12:46 agk 2008-12-11 16:25 zkabelac
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