Yup I have another plan for your situation, I will wire it up Monday and send it out. Thanks,
Josef > On Oct 26, 2013, at 7:16 PM, Martin <m_bt...@ml1.co.uk> wrote: > >> On 25/10/13 19:31, Josef Bacik wrote: >>> On Fri, Oct 25, 2013 at 07:27:24PM +0100, Martin wrote: >>>> On 25/10/13 19:01, Josef Bacik wrote: >>>> Unfortunately you can't run --init-extent-tree if you can't actually read >>>> the >>>> extent root. Fix this by allowing partial starts with no extent root and >>>> then >>>> have fsck only check to see if the extent root is uptodate _after_ the >>>> check to >>>> see if we are init'ing the extent tree. Thanks, >>>> >>>> Signed-off-by: Josef Bacik <jba...@fusionio.com> >>>> --- >>>> cmds-check.c | 9 ++++++--- >>>> disk-io.c | 16 ++++++++++++++-- >>>> 2 files changed, 20 insertions(+), 5 deletions(-) >>>> >>>> diff --git a/cmds-check.c b/cmds-check.c >>>> index 69b0327..8ed7baa 100644 >>>> --- a/cmds-check.c >>>> +++ b/cmds-check.c >>> >>> Hey! Quick work!... >>> >>> Is that worth patching locally and trying against my example? >> >> Yes, I'm a little worried about your particular case so I'd like to see if it >> works. If you don't see a lot of output after say 5 minutes let's assume I >> didn't fix your problem and let me know so I can make the other change I >> considered. Thanks, > > Nope... No-go. > > parent transid verify failed on 911904604160 wanted 17448 found 17449 > parent transid verify failed on 911904604160 wanted 17448 found 17449 > parent transid verify failed on 911904604160 wanted 17448 found 17449 > parent transid verify failed on 911904604160 wanted 17448 found 17449 > Ignoring transid failure > > ...And nothing more. Looped. > > > # gdb /sbin/btrfsck 31887 > GNU gdb (Gentoo 7.5.1 p2) 7.5.1 > Copyright (C) 2012 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later > <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "x86_64-pc-linux-gnu". > For bug reporting instructions, please see: > <http://bugs.gentoo.org/>... > Reading symbols from /sbin/btrfsck...Reading symbols from > /usr/lib64/debug/sbin/btrfsck.debug...(no debugging symbols found)...done. > (no debugging symbols found)...done. > Attaching to program: /sbin/btrfsck, process 31887 > > warning: Could not load shared library symbols for linux-vdso.so.1. > Do you need "set solib-search-path" or "set sysroot"? > Reading symbols from /lib64/libuuid.so.1...(no debugging symbols > found)...done. > Loaded symbols for /lib64/libuuid.so.1 > Reading symbols from /lib64/libblkid.so.1...(no debugging symbols > found)...done. > Loaded symbols for /lib64/libblkid.so.1 > Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done. > Loaded symbols for /lib64/libz.so.1 > Reading symbols from /usr/lib64/liblzo2.so.2...(no debugging symbols > found)...done. > Loaded symbols for /usr/lib64/liblzo2.so.2 > Reading symbols from /lib64/libpthread.so.0...(no debugging symbols > found)...done. > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib64/libthread_db.so.1". > Loaded symbols for /lib64/libpthread.so.0 > Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done. > Loaded symbols for /lib64/libc.so.6 > Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols > found)...done. > Loaded symbols for /lib64/ld-linux-x86-64.so.2 > 0x000000000042b7a9 in read_extent_buffer () > (gdb) > (gdb) bt > #0 0x000000000042b7a9 in read_extent_buffer () > #1 0x000000000041ccfd in btrfs_check_node () > #2 0x000000000041e0a2 in check_block () > #3 0x000000000041e69e in btrfs_search_slot () > #4 0x0000000000425a6e in find_first_block_group () > #5 0x0000000000425b28 in btrfs_read_block_groups () > #6 0x0000000000421c40 in btrfs_setup_all_roots () > #7 0x0000000000421e3f in __open_ctree_fd () > #8 0x0000000000421f19 in open_ctree_fs_info () > #9 0x00000000004169b4 in cmd_check () > #10 0x000000000040443b in main () > (gdb) > > > # btrfs version > Btrfs v0.20-rc1-358-g194aa4a-dirty > > >>>> Emerging (1 of 1) sys-fs/btrfs-progs-9999 >>>> Unpacking source... > GIT update --> > repository: > git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git > at the commit: 194aa4a1bd6447bb545286d0bcb0b0be8204d79f > branch: master > storage directory: > "/usr/portage/distfiles/egit-src/btrfs-progs.git" > checkout type: bare repository > Cloning into > '/var/tmp/portage/sys-fs/btrfs-progs-9999/work/btrfs-progs-9999'... > done. > Branch branch-master set up to track remote branch master from origin. > Switched to a new branch 'branch-master' >>>> Unpacked to > /var/tmp/portage/sys-fs/btrfs-progs-9999/work/btrfs-progs-9999 >>>> Source unpacked in /var/tmp/portage/sys-fs/btrfs-progs-9999/work >>>> Preparing source in > /var/tmp/portage/sys-fs/btrfs-progs-9999/work/btrfs-progs-9999 ... >>>> Source prepared. > * Applying user patches from > /etc/portage/patches//sys-fs/btrfs-progs-9999 ... > * jbpatch2013-10-25-extents-fix.patch ... > > > [ ok ] > * Done with patching >>>> Configuring source in > /var/tmp/portage/sys-fs/btrfs-progs-9999/work/btrfs-progs-9999 ... >>>> Source configured. > [...] > > Note the compile warnings: > > > * QA Notice: Package triggers severe warnings which indicate that it > * may exhibit random runtime failures. > * disk-io.c:91:5: warning: dereferencing type-punned pointer will break > strict-aliasing rules [-Wstrict-aliasing] > * volumes.c:1905:5: warning: dereferencing type-punned pointer will > break strict-aliasing rules [-Wstrict-aliasing] > * volumes.c:1906:6: warning: dereferencing type-punned pointer will > break strict-aliasing rules [-Wstrict-aliasing] > > > * QA Notice: Package triggers severe warnings which indicate that it > * may exhibit random runtime failures. > * cmds-chunk.c:1343:8: warning: array subscript is above array bounds > [-Warray-bounds] > > > > (The "jbpatch2013-10-25-extents-fix.patch" is the diff txt of your > earlier posting.) > > Hope that helps. > > Next? > > Regards, > Martin > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
