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From: agk@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 ./WHATS_NEW lib/mirror/mirrored.c libdm/l ... Date: Mon, 24 May 2010 17:46:00 -0000 [thread overview] Message-ID: <20100524174648.10784.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: agk@sourceware.org 2010-05-24 17:46:48 Modified files: . : WHATS_NEW lib/mirror : mirrored.c libdm : libdm-deptree.c Log message: Choose between clustered log versions based on kernel version. Add fixmes for broken strcmp. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1595&r2=1.1596 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/mirror/mirrored.c.diff?cvsroot=lvm2&r1=1.69&r2=1.70 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/libdm-deptree.c.diff?cvsroot=lvm2&r1=1.79&r2=1.80 --- LVM2/WHATS_NEW 2010/05/24 16:30:15 1.1595 +++ LVM2/WHATS_NEW 2010/05/24 17:46:47 1.1596 @@ -1,6 +1,6 @@ Version 2.02.67 - =============================== - Update clustered log kernel module name to log-userspace. + Update clustered log kernel module name to log-userspace for 2.6.31 onwards. Activate only first head of Replicator for vgchange -ay. Add Replicators' LVs to dtree for activation. Avoid print activation message if there is a missing VG (Replicator). --- LVM2/lib/mirror/mirrored.c 2010/05/24 16:30:16 1.69 +++ LVM2/lib/mirror/mirrored.c 2010/05/24 17:46:47 1.70 @@ -28,6 +28,8 @@ #include "sharedlib.h" #include "str_list.h" +#include <sys/utsname.h> + #ifdef DMEVENTD # include "libdevmapper-event.h" #endif @@ -471,6 +473,7 @@ uint32_t maj, min, patchlevel; unsigned maj2, min2, patchlevel2; char vsn[80]; + struct utsname uts; if (!_mirrored_checked) { _mirrored_present = target_present(cmd, "mirror", 1); @@ -503,8 +506,18 @@ * FIXME: Fails incorrectly if cmirror was built into kernel. */ if (attributes) { - if (!_mirror_attributes && module_present(cmd, "log-userspace")) - _mirror_attributes |= MIRROR_LOG_CLUSTERED; + if (!_mirror_attributes) { + /* + * The dm-log-userspace module was added to the + * 2.6.31 kernel. + */ + /* FIXME Replace the broken string comparison! */ + if (!uname(&uts) && strncmp(uts.release, "2.6.31", 6) < 0) { + if (module_present(cmd, "log-clustered")) + _mirror_attributes |= MIRROR_LOG_CLUSTERED; + } else if (module_present(cmd, "log-userspace")) + _mirror_attributes |= MIRROR_LOG_CLUSTERED; + } *attributes = _mirror_attributes; } _mirrored_checked = 1; --- LVM2/libdm/libdm-deptree.c 2010/05/24 09:04:27 1.79 +++ LVM2/libdm/libdm-deptree.c 2010/05/24 17:46:47 1.80 @@ -1575,6 +1575,7 @@ * The dm-log-userspace module was added to the * 2.6.31 kernel. */ + /* FIXME Replace the broken string comparison! */ if (strncmp(uts.release, "2.6.31", 6) >= 0) dm_log_userspace = 1; }
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