From: "Stéphane Lesimple" <stephane_btrfs2@lesimple.fr>
To: "Qu Wenruo" <quwenruo.btrfs@gmx.com>, "Qu Wenruo" <wqu@suse.com>,
linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] btrfs: relocation: output warning message for leftover v1 space cache before aborting current data balance
Date: Wed, 30 Dec 2020 08:39:39 +0000 [thread overview]
Message-ID: <2ebbbe02cb6057b9e0033914ec4def75@lesimple.fr> (raw)
In-Reply-To: <8d9becab-de4c-da3f-967e-1104648ae56d@gmx.com>
December 30, 2020 6:52 AM, "Qu Wenruo" <quwenruo.btrfs@gmx.com> wrote:
> BTW, would you mind to dump the root tree?
>
> # btrfs ins dump-tree -t root <device>
>
> I'm more interested in the half dropped v1 space cache. Currently
> although they are sane (with proper inode items), I'm a little concerned
> if current v1 space cache cleanup can remove them.
>
> Feel free to remove any subvolume names.
This FS has several subvolumes, each having a couple of
snapshots, so the output is >100k lines and my mail would
be rejecter by vger.
So I've pasted the dump here instead:
https://paste.gg/p/anonymous/f551d37289bb49338c632b985153b4e0/files/f4a6c6bf88ae4f5abce80161d8e14c5f/raw
I don't know if it's worth noting, but I have other FS (/var,
/var/log, /root, etc.), that were converted from ext4, that also
seem to have v1 leftovers, through they're all mounted with
space_cache=v2 since several months. Note that the FS having the
balance problem was NOT converted from ext4 but created from scratch.
# for fs in $(awk '{if($3=="btrfs"){print $1}}' /proc/mounts | sort -u); do echo $(btrfs ins dump-tree -t root $fs | grep -c EXTENT_DATA) for $fs; done
3 for /dev/mapper/luks-tank-mdata <== the FS w/ balance problem
1169 for /dev/mapper/luks-inc-mdata
1 for /dev/mapper/vg-home
3 for /dev/mapper/vg-opt
1 for /dev/mapper/vg-root
0 for /dev/mapper/vgssd120-git2
2 for /dev/mapper/vg-var
0 for /dev/mapper/vg-varlog
0 for /dev/sdf2
The luks-inc-mdata FS is quite large too, but the others are tiny,
I've included their dump below, in case it adds some useful data points.
I can dump the other big FS if it helps.
The separator is '===':
=== /dev/mapper/vg-home
btrfs-progs v5.9
root tree
node 22856597504 level 1 items 2 free 491 generation 624269 owner ROOT_TREE
fs uuid 81084bb9-1db1-4333-9034-a09d3dafce04
chunk uuid af6a7ffd-9823-4921-ab78-4341da5e8b98
key (EXTENT_TREE ROOT_ITEM 0) block 22856613888 gen 624269
key (6295 ROOT_ITEM 604665) block 18240864256 gen 623295
leaf 22856613888 items 44 free space 7893 generation 624269 owner ROOT_TREE
leaf 22856613888 flags 0x1(WRITTEN) backref revision 1
fs uuid 81084bb9-1db1-4333-9034-a09d3dafce04
chunk uuid af6a7ffd-9823-4921-ab78-4341da5e8b98
item 0 key (EXTENT_TREE ROOT_ITEM 0) itemoff 15844 itemsize 439
generation 624269 root_dirid 0 bytenr 22831677440 level 2 refs 1
lastsnap 0 byte_limit 0 bytes_used 42778624 flags 0x0(none)
uuid 00000000-0000-0000-0000-000000000000
drop key (0 UNKNOWN.0 0) level 0
item 1 key (DEV_TREE ROOT_ITEM 0) itemoff 15405 itemsize 439
generation 622879 root_dirid 0 bytenr 15112011776 level 0 refs 1
lastsnap 0 byte_limit 0 bytes_used 16384 flags 0x0(none)
uuid 00000000-0000-0000-0000-000000000000
drop key (0 UNKNOWN.0 0) level 0
item 2 key (FS_TREE INODE_REF 6) itemoff 15388 itemsize 17
index 0 namelen 7 name: default
item 3 key (FS_TREE ROOT_ITEM 0) itemoff 14949 itemsize 439
generation 624269 root_dirid 256 bytenr 22800203776 level 2 refs 1
lastsnap 621494 byte_limit 0 bytes_used 562233344 flags 0x0(none)
uuid 00000000-0000-0000-0000-000000000000
ctransid 624269 otransid 0 stransid 0 rtransid 0
ctime 1609317332.466781372 (2020-12-30 09:35:32)
drop key (0 UNKNOWN.0 0) level 0
item 4 key (FS_TREE ROOT_REF 6295) itemoff 14907 itemsize 42
root ref key dirid 959298 sequence 55638 name x
item 5 key (FS_TREE ROOT_REF 6346) itemoff 14864 itemsize 43
root ref key dirid 959298 sequence 55404 name x
item 6 key (FS_TREE ROOT_REF 6387) itemoff 14822 itemsize 42
root ref key dirid 959298 sequence 55639 name x
item 7 key (FS_TREE ROOT_REF 6404) itemoff 14781 itemsize 41
root ref key dirid 959298 sequence 55879 name x
item 8 key (FS_TREE ROOT_REF 6417) itemoff 14740 itemsize 41
root ref key dirid 959298 sequence 55880 name x
item 9 key (FS_TREE ROOT_REF 6428) itemoff 14698 itemsize 42
root ref key dirid 959298 sequence 55890 name x
item 10 key (FS_TREE ROOT_REF 6429) itemoff 14656 itemsize 42
root ref key dirid 959298 sequence 55891 name x
item 11 key (FS_TREE ROOT_REF 6430) itemoff 14615 itemsize 41
root ref key dirid 959298 sequence 55881 name x
item 12 key (FS_TREE ROOT_REF 6431) itemoff 14573 itemsize 42
root ref key dirid 959298 sequence 55892 name x
item 13 key (FS_TREE ROOT_REF 6432) itemoff 14531 itemsize 42
root ref key dirid 959298 sequence 55893 name x
item 14 key (ROOT_TREE_DIR INODE_ITEM 0) itemoff 14371 itemsize 160
generation 2 transid 0 size 0 nbytes 16384
block group 0 mode 40755 links 1 uid 0 gid 0 rdev 0
sequence 0 flags 0x0(none)
atime 1581534987.0 (2020-02-12 20:16:27)
ctime 1581534987.0 (2020-02-12 20:16:27)
mtime 1581534987.0 (2020-02-12 20:16:27)
otime 1581534987.0 (2020-02-12 20:16:27)
item 15 key (ROOT_TREE_DIR INODE_REF 6) itemoff 14359 itemsize 12
index 0 namelen 2 name: ..
item 16 key (ROOT_TREE_DIR DIR_ITEM 2378154706) itemoff 14322 itemsize 37
location key (FS_TREE ROOT_ITEM 18446744073709551615) type DIR
transid 0 data_len 0 name_len 7
name: default
item 17 key (CSUM_TREE ROOT_ITEM 0) itemoff 13883 itemsize 439
generation 624269 root_dirid 0 bytenr 22813589504 level 2 refs 1
lastsnap 0 byte_limit 0 bytes_used 19578880 flags 0x0(none)
uuid 00000000-0000-0000-0000-000000000000
drop key (0 UNKNOWN.0 0) level 0
item 18 key (QUOTA_TREE ROOT_ITEM 0) itemoff 13444 itemsize 439
generation 624269 root_dirid 0 bytenr 22868754432 level 1 refs 1
lastsnap 0 byte_limit 0 bytes_used 835584 flags 0x0(none)
uuid 00000000-0000-0000-0000-000000000000
drop key (0 UNKNOWN.0 0) level 0
item 19 key (UUID_TREE ROOT_ITEM 0) itemoff 13005 itemsize 439
generation 621495 root_dirid 0 bytenr 23745658880 level 0 refs 1
lastsnap 0 byte_limit 0 bytes_used 16384 flags 0x0(none)
uuid 00000000-0000-0000-0000-000000000000
drop key (0 UNKNOWN.0 0) level 0
item 20 key (FREE_SPACE_TREE ROOT_ITEM 0) itemoff 12566 itemsize 439
generation 624269 root_dirid 0 bytenr 22841688064 level 1 refs 1
lastsnap 0 byte_limit 0 bytes_used 557056 flags 0x0(none)
uuid 00000000-0000-0000-0000-000000000000
drop key (0 UNKNOWN.0 0) level 0
item 21 key (257 INODE_ITEM 0) itemoff 12406 itemsize 160
generation 0 transid 621242 size 0 nbytes 40378302464
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 154031 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
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mtime 0.0 (1970-01-01 01:00:00)
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item 22 key (258 INODE_ITEM 0) itemoff 12246 itemsize 160
generation 0 transid 616121 size 0 nbytes 78381056
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sequence 299 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
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ctime 1598844680.76349444 (2020-08-31 05:31:20)
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item 23 key (259 INODE_ITEM 0) itemoff 12086 itemsize 160
generation 0 transid 515408 size 0 nbytes 2883584
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sequence 11 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
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item 24 key (260 INODE_ITEM 0) itemoff 11926 itemsize 160
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item 25 key (261 INODE_ITEM 0) itemoff 11766 itemsize 160
generation 0 transid 563427 size 0 nbytes 4718592
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sequence 18 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
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ctime 1598266123.181621125 (2020-08-24 12:48:43)
mtime 0.0 (1970-01-01 01:00:00)
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item 26 key (262 INODE_ITEM 0) itemoff 11606 itemsize 160
generation 0 transid 526058 size 0 nbytes 1245184
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 19 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1598812433.32530868 (2020-08-30 20:33:53)
mtime 0.0 (1970-01-01 01:00:00)
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item 27 key (263 INODE_ITEM 0) itemoff 11446 itemsize 160
generation 0 transid 621219 size 0 nbytes 22303473664
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 85081 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1592483438.119980445 (2020-06-18 14:30:38)
mtime 0.0 (1970-01-01 01:00:00)
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item 28 key (264 INODE_ITEM 0) itemoff 11286 itemsize 160
generation 0 transid 621371 size 0 nbytes 11664621568
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 44497 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1599220056.938223389 (2020-09-04 13:47:36)
mtime 0.0 (1970-01-01 01:00:00)
otime 0.0 (1970-01-01 01:00:00)
item 29 key (265 INODE_ITEM 0) itemoff 11126 itemsize 160
generation 0 transid 624269 size 0 nbytes 16103768064
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 61431 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
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mtime 0.0 (1970-01-01 01:00:00)
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item 30 key (266 INODE_ITEM 0) itemoff 10966 itemsize 160
generation 0 transid 621214 size 0 nbytes 18954321920
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 72305 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1599402820.364879849 (2020-09-06 16:33:40)
mtime 0.0 (1970-01-01 01:00:00)
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item 31 key (267 INODE_ITEM 0) itemoff 10806 itemsize 160
generation 0 transid 624259 size 0 nbytes 22149070848
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 84492 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
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mtime 0.0 (1970-01-01 01:00:00)
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item 32 key (268 INODE_ITEM 0) itemoff 10646 itemsize 160
generation 0 transid 526058 size 0 nbytes 2097152
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 8 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1581535843.997084354 (2020-02-12 20:30:43)
mtime 0.0 (1970-01-01 01:00:00)
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item 33 key (269 INODE_ITEM 0) itemoff 10486 itemsize 160
generation 0 transid 617643 size 0 nbytes 1572864
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 6 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
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mtime 0.0 (1970-01-01 01:00:00)
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item 34 key (270 INODE_ITEM 0) itemoff 10326 itemsize 160
generation 0 transid 526058 size 0 nbytes 1769472
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sequence 9 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
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item 35 key (271 INODE_ITEM 0) itemoff 10166 itemsize 160
generation 0 transid 623556 size 0 nbytes 2570715136
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sequence 39226 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1599402820.364879849 (2020-09-06 16:33:40)
mtime 0.0 (1970-01-01 01:00:00)
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item 36 key (272 INODE_ITEM 0) itemoff 10006 itemsize 160
generation 0 transid 621792 size 0 nbytes 3149922304
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 12016 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1599402078.516849211 (2020-09-06 16:21:18)
mtime 0.0 (1970-01-01 01:00:00)
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item 37 key (273 INODE_ITEM 0) itemoff 9846 itemsize 160
generation 0 transid 582386 size 0 nbytes 392953856
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sequence 1499 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1598266123.185621032 (2020-08-24 12:48:43)
mtime 0.0 (1970-01-01 01:00:00)
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item 38 key (274 INODE_ITEM 0) itemoff 9686 itemsize 160
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sequence 3 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
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item 42 key (277 EXTENT_DATA 0) itemoff 9153 itemsize 53
generation 36655 type 1 (regular)
extent data disk byte 79626240 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0 (none)
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leaf 18240864256 items 49 free space 8306 generation 623295 owner ROOT_TREE
leaf 18240864256 flags 0x1(WRITTEN) backref revision 1
fs uuid 81084bb9-1db1-4333-9034-a09d3dafce04
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item 1 key (6295 ROOT_BACKREF 5) itemoff 15802 itemsize 42
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=== /dev/mapper/vg-opt
btrfs-progs v5.9
root tree
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ctime 1609156450.651630254 (2020-12-28 12:54:10)
otime 1609156482.585993676 (2020-12-28 12:54:42)
drop key (0 UNKNOWN.0 0) level 0
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uuid 027121b6-0d93-d548-b6da-e84cf81984c2
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ctime 1609160110.658042385 (2020-12-28 13:55:10)
otime 1609160133.704207973 (2020-12-28 13:55:33)
drop key (0 UNKNOWN.0 0) level 0
item 21 key (7528 ROOT_BACKREF 5) itemoff 10997 itemsize 42
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ctime 1609162930.665115185 (2020-12-28 14:42:10)
otime 1609162957.265772473 (2020-12-28 14:42:37)
drop key (0 UNKNOWN.0 0) level 0
item 23 key (7529 ROOT_BACKREF 5) itemoff 10517 itemsize 41
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ctime 1609163650.668086739 (2020-12-28 14:54:10)
otime 1609163676.612828602 (2020-12-28 14:54:36)
drop key (0 UNKNOWN.0 0) level 0
item 25 key (7530 ROOT_BACKREF 5) itemoff 10036 itemsize 42
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otime 1609167275.856147992 (2020-12-28 15:54:35)
drop key (0 UNKNOWN.0 0) level 0
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otime 1609171599.44067950 (2020-12-28 17:06:39)
drop key (0 UNKNOWN.0 0) level 0
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uuid 261c5ac3-8592-904e-a5ac-250b5d9c556b
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ctime 1609175110.707124803 (2020-12-28 18:05:10)
otime 1609175168.329600616 (2020-12-28 18:06:08)
drop key (0 UNKNOWN.0 0) level 0
item 31 key (7533 ROOT_BACKREF 5) itemoff 8593 itemsize 42
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otime 1609178797.52291703 (2020-12-28 19:06:37)
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=== /dev/mapper/vg-root
btrfs-progs v5.9
root tree
node 819658752 level 1 items 2 free 491 generation 381976 owner ROOT_TREE
fs uuid 0b653665-b0dc-4888-a078-67030e7c5a33
chunk uuid ef053892-fb25-439b-bc87-52d8a6e1ad32
key (EXTENT_TREE ROOT_ITEM 0) block 819691520 gen 381976
key (3636 ROOT_ITEM 146584) block 809549824 gen 379663
leaf 819691520 items 40 free space 10165 generation 381976 owner ROOT_TREE
leaf 819691520 flags 0x1(WRITTEN) backref revision 1
fs uuid 0b653665-b0dc-4888-a078-67030e7c5a33
chunk uuid ef053892-fb25-439b-bc87-52d8a6e1ad32
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uuid 00000000-0000-0000-0000-000000000000
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uuid 00000000-0000-0000-0000-000000000000
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index 0 namelen 7 name: default
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uuid 00000000-0000-0000-0000-000000000000
ctransid 381976 otransid 0 stransid 0 rtransid 0
ctime 1609317317.489469113 (2020-12-30 09:35:17)
drop key (0 UNKNOWN.0 0) level 0
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generation 2 transid 0 size 0 nbytes 16384
block group 0 mode 40755 links 1 uid 0 gid 0 rdev 0
sequence 0 flags 0x0(none)
atime 1581532612.0 (2020-02-12 19:36:52)
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mtime 1581532612.0 (2020-02-12 19:36:52)
otime 1581532612.0 (2020-02-12 19:36:52)
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index 0 namelen 2 name: ..
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location key (FS_TREE ROOT_ITEM 18446744073709551615) type DIR
transid 0 data_len 0 name_len 7
name: default
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uuid 00000000-0000-0000-0000-000000000000
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mtime 0.0 (1970-01-01 01:00:00)
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atime 0.0 (1970-01-01 01:00:00)
ctime 1581534647.930913136 (2020-02-12 20:10:47)
mtime 0.0 (1970-01-01 01:00:00)
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atime 0.0 (1970-01-01 01:00:00)
ctime 1599402538.494787626 (2020-09-06 16:28:58)
mtime 0.0 (1970-01-01 01:00:00)
otime 0.0 (1970-01-01 01:00:00)
item 38 key (715 INODE_ITEM 0) itemoff 11218 itemsize 160
generation 1815 transid 1815 size 65536 nbytes 65536
block group 0 mode 100600 links 1 uid 0 gid 0 rdev 0
sequence 1 flags 0x1b(NODATASUM|NODATACOW|NOCOMPRESS|PREALLOC)
atime 0.0 (1970-01-01 01:00:00)
ctime 1585497098.87324296 (2020-03-29 17:51:38)
mtime 0.0 (1970-01-01 01:00:00)
otime 0.0 (1970-01-01 01:00:00)
item 39 key (715 EXTENT_DATA 0) itemoff 11165 itemsize 53
generation 1815 type 1 (regular)
extent data disk byte 30646272 nr 65536
extent data offset 0 nr 65536 ram 65536
extent compression 0 (none)
leaf 809549824 items 54 free space 3025 generation 379663 owner ROOT_TREE
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fs uuid 0b653665-b0dc-4888-a078-67030e7c5a33
chunk uuid ef053892-fb25-439b-bc87-52d8a6e1ad32
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generation 146584 root_dirid 256 bytenr 826261504 level 1 refs 1
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ctime 1595674059.55223145 (2020-07-25 12:47:39)
otime 1595674089.585368482 (2020-07-25 12:48:09)
drop key (0 UNKNOWN.0 0) level 0
item 1 key (3636 ROOT_BACKREF 5) itemoff 15801 itemsize 43
root backref key dirid 8580 sequence 70500 name x
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ctime 1598266083.855072545 (2020-08-24 12:48:03)
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drop key (0 UNKNOWN.0 0) level 0
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root backref key dirid 8580 sequence 70501 name x
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drop key (0 UNKNOWN.0 0) level 0
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drop key (0 UNKNOWN.0 0) level 0
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drop key (0 UNKNOWN.0 0) level 0
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drop key (0 UNKNOWN.0 0) level 0
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=== /dev/mapper/vg-var
btrfs-progs v5.9
root tree
leaf 22044033024 items 81 free space 2577 generation 892019 owner ROOT_TREE
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Regards,
Stéphane.
next prev parent reply other threads:[~2020-12-30 8:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-29 0:38 [PATCH] btrfs: relocation: output warning message for leftover v1 space cache before aborting current data balance Qu Wenruo
2020-12-29 9:27 ` Stéphane Lesimple
2020-12-29 10:29 ` Qu Wenruo
2020-12-29 11:08 ` Stéphane Lesimple
2020-12-29 11:30 ` Qu Wenruo
2020-12-29 12:30 ` Stéphane Lesimple
2020-12-29 12:41 ` Qu Wenruo
2020-12-29 12:51 ` Stéphane Lesimple
2020-12-29 13:06 ` Qu Wenruo
2020-12-29 13:17 ` Stéphane Lesimple
2020-12-30 5:49 ` Qu Wenruo
2020-12-30 8:39 ` Stéphane Lesimple [this message]
2020-12-30 0:56 ` Qu Wenruo
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