On Tue, Jun 27, 2017 at 04:11:46PM -0700, Marc MERLIN wrote:
>On Mon, Jun 26, 2017 at 06:46:16PM +0800, Lu Fengqi wrote:
>> Thanks for the updated information. I'm sorry that the false alert make 
>> you feel nervous.
>
>If you can help me find out whether those are real errors that I need to fix
>(and can't yet since there is no --repair), or whether they are not real
>problems, I can ignore them as long as the other check --mode normal runs
>clean (it does), we'll be good :)

:)

>
>> >ERROR: root 3862 EXTENT_DATA[18170706 4096] interrupt
>> >ERROR: root 3862 EXTENT_DATA[18170706 16384] interrupt
>> >ERROR: root 3862 EXTENT_DATA[18170706 20480] interrupt
>> >ERROR: root 3862 EXTENT_DATA[18170706 135168] interrupt
>> >ERROR: root 3862 EXTENT_DATA[18170706 1048576] interrupt
>> >ERROR: errors found in fs roots
>> 
>> However, this looks like another problem. Could you dump this file tree 
>> by the following command?
>> # btrfs-debug-tree -t 3862 <dev> | grep -C 10 18170706
>

Because the output is abnormal, except for the relevant DIR_ITEM and
DIR_INDEX, I can't find the above mentiond INODE_ITEM and EXTENT_DATA.
I wonder if the file system is online when this command is executed? If
so, please re-execute it offline again; if not, could you apply my
patches re-check it again?

>argamel:~# btrfs-debug-tree -t 3862 /dev/mapper/dshelf2 | grep -C 10 18170706  
>                transid 522 data_len 0 name_len 45
>                name: 007b01c69a8d_9582a070_425a4...@mindspring.com
>        item 89 key (835232 DIR_ITEM 1181375325) itemoff 10304 itemsize 64
>                location key (877605 INODE_ITEM 0) type FILE
>                transid 530 data_len 0 name_len 34
>                name: po.5078346.7051...@codeweavers.com
>        item 90 key (835232 DIR_ITEM 1181489720) itemoff 10226 itemsize 78
>                location key (873230 INODE_ITEM 0) type FILE
>                transid 529 data_len 0 name_len 48
>                name: 8-8356087-5cruuncbug3kg9...@mail1.fireflypro.com
>        item 91 key (835232 DIR_ITEM 1181707066) itemoff 10148 itemsize 78
>                location key (869906 INODE_ITEM 0) type FILE
>                transid 528 data_len 0 name_len 48
>                name: 7-7026088-1ulzzjufzyd6h4...@max.firmalliance.biz
>        item 92 key (835232 DIR_ITEM 1181727135) itemoff 10084 itemsize 64
>                location key (877380 INODE_ITEM 0) type FILE
>                transid 530 data_len 0 name_len 34
>                name: nj.5943286.7059...@codeweavers.com
>        item 93 key (835232 DIR_ITEM 1181873033) itemoff 10038 itemsize 46
>                location key (859092 INODE_ITEM 0) type FILE
>                transid 526 data_len 0 name_len 16
>                name: mdadm_detail.0
>        item 83 key (2640780 DIR_ITEM 3316050734) itemoff 12739 itemsize 39
>                location key (15689752 INODE_ITEM 0) type FILE
>                transid 8178 data_len 0 name_len 9
>                name: sda3.dd.0
>        item 84 key (2640780 DIR_ITEM 3349213389) itemoff 12697 itemsize 42
>                location key (2667656 INODE_ITEM 0) type FILE
>                transid 885 data_len 0 name_len 12
>                name: sdb2.dd.1.gz
>        item 85 key (2640780 DIR_ITEM 3351742419) itemoff 12663 itemsize 34
>                location key (18170706 INODE_ITEM 0) type FILE
>                transid 37866 data_len 0 name_len 4
>                name: dm-0
>        item 86 key (2640780 DIR_ITEM 3354578455) itemoff 12624 itemsize 39
>                location key (13847590 INODE_ITEM 0) type FILE
>                transid 2387 data_len 0 name_len 9
>                name: sda7.3.gz
>        item 87 key (2640780 DIR_ITEM 3361267344) itemoff 12586 itemsize 38
>                location key (2667594 INODE_ITEM 0) type FILE
>                transid 885 data_len 0 name_len 8
>                name: .profile
>--
>                name: sdc1.dd.4.gz
>        item 70 key (2640780 DIR_INDEX 1685) itemoff 13162 itemsize 42
>                location key (17548883 INODE_ITEM 0) type FILE
>                transid 34469 data_len 0 name_len 12
>                name: sdc1.dd.5.gz
>        item 71 key (2640780 DIR_INDEX 1687) itemoff 13120 itemsize 42
>                location key (17548884 INODE_ITEM 0) type FILE
>                transid 34469 data_len 0 name_len 12
>                name: sdc1.dd.6.gz
>        item 72 key (2640780 DIR_INDEX 2039) itemoff 13086 itemsize 34
>                location key (18170706 INODE_ITEM 0) type FILE
>                transid 37866 data_len 0 name_len 4
>                name: dm-0
>        item 73 key (2640780 DIR_INDEX 2041) itemoff 13051 itemsize 35
>                location key (18170707 INODE_ITEM 0) type FILE
>                transid 37866 data_len 0 name_len 5
>                name: fdisk
>        item 74 key (2640780 DIR_INDEX 2043) itemoff 13007 itemsize 44
>                location key (18170708 INODE_ITEM 0) type FILE
>                transid 37866 data_len 0 name_len 14
>                name: mdadm_detail.0
>
>Marc
>-- 
>"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
>Microsoft is to operating systems ....
>                                      .... what McDonalds is to gourmet cooking
>Home page: http://marc.merlins.org/  
>
>

-- 
Thanks,
Lu


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