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From: mornfall@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 ./WHATS_NEW lib/Makefile.in lib/device/de ... Date: Tue, 17 Mar 2009 13:59:00 -0000 [thread overview] Message-ID: <20090317135958.24312.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: mornfall@sourceware.org 2009-03-17 13:59:57 Modified files: . : WHATS_NEW lib : Makefile.in lib/device : device.h test : t-pvcreate-operation.sh tools : pvcreate.c Log message: Detect and wipe swap signatures in pvcreate. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1066&r2=1.1067 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/Makefile.in.diff?cvsroot=lvm2&r1=1.90&r2=1.91 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/device/device.h.diff?cvsroot=lvm2&r1=1.37&r2=1.38 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/test/t-pvcreate-operation.sh.diff?cvsroot=lvm2&r1=1.14&r2=1.15 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/pvcreate.c.diff?cvsroot=lvm2&r1=1.78&r2=1.79 --- LVM2/WHATS_NEW 2009/03/16 14:34:57 1.1066 +++ LVM2/WHATS_NEW 2009/03/17 13:59:56 1.1067 @@ -1,5 +1,6 @@ Version 2.02.46 - ================================ + Detect and conditionally wipe swapspace signatures in pvcreate. Fix maximal volume count check for snapshots if max_lv set for volume group. Fix lvcreate to remove cow volume if the snapshot creation fails. Fix error messages when PV uuid or pe_start reading fails. --- LVM2/lib/Makefile.in 2009/03/06 16:19:53 1.90 +++ LVM2/lib/Makefile.in 2009/03/17 13:59:56 1.91 @@ -42,6 +42,7 @@ device/dev-cache.c \ device/dev-io.c \ device/dev-md.c \ + device/dev-swap.c \ device/device.c \ display/display.c \ error/errseg.c \ --- LVM2/lib/device/device.h 2008/11/03 22:14:27 1.37 +++ LVM2/lib/device/device.h 2009/03/17 13:59:56 1.38 @@ -93,6 +93,7 @@ /* Does device contain md superblock? If so, where? */ int dev_is_md(struct device *dev, uint64_t *sb); +int dev_is_swap(struct device *dev, uint64_t *signature); unsigned long dev_md_chunk_size(const char *sysfs_dir, struct device *dev); int is_partitioned_dev(struct device *dev); --- LVM2/test/t-pvcreate-operation.sh 2008/12/16 20:02:52 1.14 +++ LVM2/test/t-pvcreate-operation.sh 2009/03/17 13:59:56 1.15 @@ -108,3 +108,10 @@ pvcreate --uuid $uuid1 $dev1 vgcfgbackup -f $backupfile not pvcreate --uuid $uuid2 --restorefile $backupfile $dev2 + +# pvcreate wipes swap signature when forced +dd if=/dev/zero of=$dev1 bs=1024 count=64 +mkswap $dev1 +file -s $dev1 | grep "swap file" +pvcreate -f $dev1 +file -s $dev1 | not grep "swap file" --- LVM2/tools/pvcreate.c 2009/02/25 23:29:07 1.78 +++ LVM2/tools/pvcreate.c 2009/03/17 13:59:57 1.79 @@ -45,7 +45,7 @@ { struct physical_volume *pv; struct device *dev; - uint64_t md_superblock; + uint64_t md_superblock, swap_signature; /* FIXME Check partition type is LVM unless --force is given */ @@ -129,6 +129,17 @@ } } + if (dev_is_swap(dev, &swap_signature) && + ((!pp->idp && !pp->restorefile) || pp->yes || + (yes_no_prompt("Swap signature detected on %s. Wipe it? [y/n] ", + name) == 'y'))) { + log_print("Wiping swap signature on %s", name); + if (!dev_set(dev, swap_signature, 10, 0)) { + log_error("Failed to wipe swap signature on %s", name); + return 0; + } + } + if (sigint_caught()) return 0;
next reply other threads:[~2009-03-17 13:59 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-03-17 13:59 mornfall [this message] -- strict thread matches above, loose matches on Subject: below -- 2010-08-19 23:08 mbroz 2004-11-18 20:02 agk
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