[26634.107373] run fstests generic/455 at 2022-04-04 04:14:47
[26634.361262] BTRFS info (device dm-0): flagging fs with big metadata feature
[26634.361704] BTRFS info (device dm-0): using free space tree
[26634.362043] BTRFS info (device dm-0): has skinny extents
[26634.901959] BTRFS: device fsid 36c1c8c1-54fb-4c72-8d39-555494b6c939 devid 1 transid 6 /dev/mapper/logwrites-test scanned by mkfs.btrfs (1565503)
[26634.912726] BTRFS info (device dm-15): flagging fs with big metadata feature
[26634.913441] BTRFS info (device dm-15): setting incompat feature flag for COMPRESS_LZO (0x8)
[26634.914141] BTRFS info (device dm-15): use lzo compression, level 0
[26634.914641] BTRFS info (device dm-15): turning on sync discard
[26634.915139] BTRFS info (device dm-15): disk space caching is enabled
[26634.915696] BTRFS info (device dm-15): has skinny extents
[26634.928495] BTRFS info (device dm-15): checking UUID tree
[26635.517108] BUG: sleeping function called from invalid context at block/blk-sysfs.c:766
[26635.517615] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1565614, name: awk
[26635.518077] preempt_count: 100, expected: 0
[26635.518356] RCU nest depth: 0, expected: 0
[26635.518608] INFO: lockdep is turned off.
[26635.518844] Preemption disabled at:
[26635.518845] [] __do_softirq+0x5e/0x517
[26635.519405] CPU: 0 PID: 1565614 Comm: awk Tainted: G W 5.17.0+ #641
[26635.519856] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[26635.520369] Call Trace:
[26635.520524]
[26635.520654] dump_stack_lvl+0x56/0x6f
[26635.520879] __might_resched.cold+0xff/0x13a
[26635.521149] blk_release_queue+0x24/0x120
[26635.521393] kobject_put+0x7c/0x1d0
[26635.521607] ? rcu_do_batch+0x1ac/0x570
[26635.521841] blkg_free.part.0+0x41/0x60
[26635.522073] rcu_do_batch+0x1e1/0x570
[26635.522305] ? rcu_do_batch+0x1ac/0x570
[26635.522539] rcu_core+0x2cb/0x460
[26635.522742] __do_softirq+0x178/0x517
[26635.522966] __irq_exit_rcu+0xe3/0x160
[26635.523202] irq_exit_rcu+0xa/0x20
[26635.523410] sysvec_apic_timer_interrupt+0xa2/0xd0
[26635.523698]
[26635.523828]
[26635.523961] asm_sysvec_apic_timer_interrupt+0x12/0x20
[26635.524277] RIP: 0010:load_elf_binary+0x10f7/0x1720
[26635.524573] Code: 48 c7 c7 c1 ec 84 aa e8 27 9c eb ff 48 89 e9 4c 89 f8 48 83 c5 08 e8 58 d4 34 00 85 c9 74 b2 41 bd f2 ff ff ff e9 b8 f0 ff ff 00 10 00 00 48 8b 7c 24 30 48 29 c6 e8 97 d5 34 00 48 85 c0 0f
[26635.525666] RSP: 0018:ffffa2844262bd88 EFLAGS: 00000202
[26635.525978] RAX: 0000000000000920 RBX: 000056331b3d5920 RCX: ffff94fc5450c838
[26635.526407] RDX: ffff94fc5450c780 RSI: ffffa2844262bd30 RDI: ffff94fc5450c780
[26635.526826] RBP: ffff94fc642cb400 R08: ffff94fc44e6fd68 R09: ffff94fc65cab200
[26635.527252] R10: 0000000000000000 R11: ffff94fc44e6fe68 R12: ffff94fc5b09c000
[26635.527673] R13: 0000000000000000 R14: ffff94fc42cac800 R15: ffff94fc43483140
[26635.528101] ? load_elf_binary+0x97b/0x1720
[26635.528363] bprm_execve+0x307/0x860
[26635.528583] do_execveat_common+0x1b5/0x230
[26635.528836] __x64_sys_execve+0x39/0x50
[26635.529069] do_syscall_64+0x38/0x90
[26635.529403] entry_SYSCALL_64_after_hwframe+0x44/0xae
[26635.529710] RIP: 0033:0x7f2129a9733b
[26635.529933] Code: Unable to access opcode bytes at RIP 0x7f2129a97311.
[26635.530330] RSP: 002b:00007ffd847c9258 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[26635.530776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2129a9733b
[26635.531205] RDX: 0000556e461cc130 RSI: 0000556e45f33500 RDI: 0000556e45eed3b0
[26635.531628] RBP: 0000556e45eed3b0 R08: 0000556e45f33500 R09: 0000000000000000
[26635.532049] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[26635.532479] R13: 0000556e45f33500 R14: 0000556e461cc130 R15: 0000556e45eed510
[26635.532906]
[26635.693689] BTRFS info (device dm-14): flagging fs with big metadata feature
[26635.694159] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26635.694654] BTRFS info (device dm-14): use lzo compression, level 0
[26635.695026] BTRFS info (device dm-14): disk space caching is enabled
[26635.695419] BTRFS info (device dm-14): has skinny extents
[26635.697113] BTRFS info (device dm-14): start tree-log replay
[26635.702357] BTRFS info (device dm-14): checking UUID tree
[26635.791356] BTRFS info (device dm-14): flagging fs with big metadata feature
[26635.791948] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26635.792676] BTRFS info (device dm-14): use lzo compression, level 0
[26635.793191] BTRFS info (device dm-14): disk space caching is enabled
[26635.793699] BTRFS info (device dm-14): has skinny extents
[26635.800673] BTRFS info (device dm-14): start tree-log replay
[26635.806169] BTRFS info (device dm-14): checking UUID tree
[26635.911849] BTRFS info (device dm-14): flagging fs with big metadata feature
[26635.912381] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26635.912874] BTRFS info (device dm-14): use lzo compression, level 0
[26635.913271] BTRFS info (device dm-14): disk space caching is enabled
[26635.913650] BTRFS info (device dm-14): has skinny extents
[26635.915842] BTRFS info (device dm-14): start tree-log replay
[26635.920801] BTRFS info (device dm-14): checking UUID tree
[26636.036795] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.037267] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.037763] BTRFS info (device dm-14): use lzo compression, level 0
[26636.038161] BTRFS info (device dm-14): disk space caching is enabled
[26636.038540] BTRFS info (device dm-14): has skinny extents
[26636.041013] BTRFS info (device dm-14): start tree-log replay
[26636.045760] BTRFS info (device dm-14): checking UUID tree
[26636.154976] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.155595] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.156301] BTRFS info (device dm-14): use lzo compression, level 0
[26636.156798] BTRFS info (device dm-14): disk space caching is enabled
[26636.157332] BTRFS info (device dm-14): has skinny extents
[26636.159988] BTRFS info (device dm-14): start tree-log replay
[26636.166056] BTRFS info (device dm-14): checking UUID tree
[26636.284998] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.285452] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.285944] BTRFS info (device dm-14): use lzo compression, level 0
[26636.286330] BTRFS info (device dm-14): disk space caching is enabled
[26636.286706] BTRFS info (device dm-14): has skinny extents
[26636.288250] BTRFS info (device dm-14): start tree-log replay
[26636.293160] BTRFS info (device dm-14): checking UUID tree
[26636.409303] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.409734] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.410246] BTRFS info (device dm-14): use lzo compression, level 0
[26636.410616] BTRFS info (device dm-14): disk space caching is enabled
[26636.410986] BTRFS info (device dm-14): has skinny extents
[26636.412655] BTRFS info (device dm-14): start tree-log replay
[26636.417582] BTRFS info (device dm-14): checking UUID tree
[26636.527327] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.527773] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.528291] BTRFS info (device dm-14): use lzo compression, level 0
[26636.528665] BTRFS info (device dm-14): disk space caching is enabled
[26636.529041] BTRFS info (device dm-14): has skinny extents
[26636.532145] BTRFS info (device dm-14): start tree-log replay
[26636.538038] BTRFS info (device dm-14): checking UUID tree
[26636.654330] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.654761] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.655331] BTRFS info (device dm-14): use lzo compression, level 0
[26636.655706] BTRFS info (device dm-14): disk space caching is enabled
[26636.656091] BTRFS info (device dm-14): has skinny extents
[26636.657848] BTRFS info (device dm-14): start tree-log replay
[26636.663286] BTRFS info (device dm-14): checking UUID tree
[26636.798483] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.798919] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.799433] BTRFS info (device dm-14): use lzo compression, level 0
[26636.799805] BTRFS info (device dm-14): disk space caching is enabled
[26636.800193] BTRFS info (device dm-14): has skinny extents
[26636.802178] BTRFS info (device dm-14): start tree-log replay
[26636.807216] BTRFS info (device dm-14): checking UUID tree
[26636.943261] BTRFS info (device dm-14): flagging fs with big metadata feature
[26636.943729] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26636.944246] BTRFS info (device dm-14): use lzo compression, level 0
[26636.944617] BTRFS info (device dm-14): disk space caching is enabled
[26636.944991] BTRFS info (device dm-14): has skinny extents
[26636.949461] BTRFS info (device dm-14): start tree-log replay
[26636.954961] BTRFS info (device dm-14): checking UUID tree
[26637.103398] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.103831] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.104351] BTRFS info (device dm-14): use lzo compression, level 0
[26637.104724] BTRFS info (device dm-14): disk space caching is enabled
[26637.105112] BTRFS info (device dm-14): has skinny extents
[26637.107032] BTRFS info (device dm-14): start tree-log replay
[26637.111868] BTRFS info (device dm-14): checking UUID tree
[26637.198472] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.198905] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.199428] BTRFS info (device dm-14): use lzo compression, level 0
[26637.199801] BTRFS info (device dm-14): disk space caching is enabled
[26637.200190] BTRFS info (device dm-14): has skinny extents
[26637.203919] BTRFS info (device dm-14): start tree-log replay
[26637.207828] BTRFS info (device dm-14): checking UUID tree
[26637.295519] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.295959] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.296473] BTRFS info (device dm-14): use lzo compression, level 0
[26637.296846] BTRFS info (device dm-14): disk space caching is enabled
[26637.297238] BTRFS info (device dm-14): has skinny extents
[26637.298920] BTRFS info (device dm-14): start tree-log replay
[26637.303819] BTRFS info (device dm-14): checking UUID tree
[26637.392290] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.392721] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.393247] BTRFS info (device dm-14): use lzo compression, level 0
[26637.393621] BTRFS info (device dm-14): disk space caching is enabled
[26637.393995] BTRFS info (device dm-14): has skinny extents
[26637.395596] BTRFS info (device dm-14): start tree-log replay
[26637.401150] BTRFS info (device dm-14): checking UUID tree
[26637.495463] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.495896] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.496456] BTRFS info (device dm-14): use lzo compression, level 0
[26637.496827] BTRFS info (device dm-14): disk space caching is enabled
[26637.497270] BTRFS info (device dm-14): has skinny extents
[26637.498956] BTRFS info (device dm-14): start tree-log replay
[26637.505172] BTRFS info (device dm-14): checking UUID tree
[26637.605230] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.605659] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.606169] BTRFS info (device dm-14): use lzo compression, level 0
[26637.606542] BTRFS info (device dm-14): disk space caching is enabled
[26637.606913] BTRFS info (device dm-14): has skinny extents
[26637.608651] BTRFS info (device dm-14): start tree-log replay
[26637.613691] BTRFS info (device dm-14): checking UUID tree
[26637.723036] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.723491] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.723979] BTRFS info (device dm-14): use lzo compression, level 0
[26637.724367] BTRFS info (device dm-14): disk space caching is enabled
[26637.724962] BTRFS info (device dm-14): has skinny extents
[26637.726539] BTRFS info (device dm-14): start tree-log replay
[26637.730967] BTRFS info (device dm-14): checking UUID tree
[26637.851492] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.851957] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.852469] BTRFS info (device dm-14): use lzo compression, level 0
[26637.852838] BTRFS info (device dm-14): disk space caching is enabled
[26637.853228] BTRFS info (device dm-14): has skinny extents
[26637.854855] BTRFS info (device dm-14): start tree-log replay
[26637.859829] BTRFS info (device dm-14): checking UUID tree
[26637.976793] BTRFS info (device dm-14): flagging fs with big metadata feature
[26637.977252] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26637.977742] BTRFS info (device dm-14): use lzo compression, level 0
[26637.978149] BTRFS info (device dm-14): disk space caching is enabled
[26637.978581] BTRFS info (device dm-14): has skinny extents
[26637.980221] BTRFS info (device dm-14): start tree-log replay
[26637.985605] BTRFS info (device dm-14): checking UUID tree
[26638.101421] BTRFS info (device dm-14): flagging fs with big metadata feature
[26638.101860] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26638.102375] BTRFS info (device dm-14): use lzo compression, level 0
[26638.102748] BTRFS info (device dm-14): disk space caching is enabled
[26638.103138] BTRFS info (device dm-14): has skinny extents
[26638.104805] BTRFS info (device dm-14): start tree-log replay
[26638.109975] BTRFS info (device dm-14): checking UUID tree
[26638.235220] BTRFS info (device dm-14): flagging fs with big metadata feature
[26638.235650] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26641.646014] _btrfs_printk: 187 callbacks suppressed
[26641.646017] BTRFS info (device dm-14): flagging fs with big metadata feature
[26641.646770] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26641.647282] BTRFS info (device dm-14): use lzo compression, level 0
[26641.647806] BTRFS info (device dm-14): disk space caching is enabled
[26641.648204] BTRFS info (device dm-14): has skinny extents
[26641.649810] BTRFS info (device dm-14): start tree-log replay
[26641.654614] BTRFS info (device dm-14): checking UUID tree
[26641.787299] BTRFS info (device dm-14): flagging fs with big metadata feature
[26641.787739] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26641.788267] BTRFS info (device dm-14): use lzo compression, level 0
[26641.788637] BTRFS info (device dm-14): disk space caching is enabled
[26641.789011] BTRFS info (device dm-14): has skinny extents
[26641.791572] BTRFS info (device dm-14): start tree-log replay
[26641.796586] BTRFS info (device dm-14): checking UUID tree
[26641.942282] BTRFS info (device dm-14): flagging fs with big metadata feature
[26641.942712] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26641.943222] BTRFS info (device dm-14): use lzo compression, level 0
[26641.943595] BTRFS info (device dm-14): disk space caching is enabled
[26641.943968] BTRFS info (device dm-14): has skinny extents
[26641.945740] BTRFS info (device dm-14): start tree-log replay
[26641.951213] BTRFS info (device dm-14): checking UUID tree
[26642.102696] BTRFS info (device dm-14): flagging fs with big metadata feature
[26642.103185] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26642.103675] BTRFS info (device dm-14): use lzo compression, level 0
[26642.104064] BTRFS info (device dm-14): disk space caching is enabled
[26642.104535] BTRFS info (device dm-14): has skinny extents
[26642.106217] BTRFS info (device dm-14): start tree-log replay
[26642.111049] BTRFS info (device dm-14): checking UUID tree
[26642.261491] BTRFS info (device dm-14): flagging fs with big metadata feature
[26642.261926] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26642.262442] BTRFS info (device dm-14): use lzo compression, level 0
[26642.262814] BTRFS info (device dm-14): disk space caching is enabled
[26642.263211] BTRFS info (device dm-14): has skinny extents
[26642.264793] BTRFS info (device dm-14): start tree-log replay
[26642.269689] BTRFS info (device dm-14): checking UUID tree
[26642.421943] BTRFS info (device dm-14): flagging fs with big metadata feature
[26642.422399] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26642.422894] BTRFS info (device dm-14): use lzo compression, level 0
[26642.423289] BTRFS info (device dm-14): disk space caching is enabled
[26642.423663] BTRFS info (device dm-14): has skinny extents
[26642.425444] BTRFS info (device dm-14): start tree-log replay
[26642.430310] BTRFS info (device dm-14): checking UUID tree
[26642.584831] BTRFS info (device dm-14): flagging fs with big metadata feature
[26642.585338] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26642.585828] BTRFS info (device dm-14): use lzo compression, level 0
[26642.586216] BTRFS info (device dm-14): disk space caching is enabled
[26642.586589] BTRFS info (device dm-14): has skinny extents
[26642.588432] BTRFS info (device dm-14): start tree-log replay
[26642.593454] BTRFS info (device dm-14): checking UUID tree
[26642.747378] BTRFS info (device dm-14): flagging fs with big metadata feature
[26642.747816] BTRFS info (device dm-14): setting incompat feature flag for COMPRESS_LZO (0x8)
[26642.748334] BTRFS info (device dm-14): use lzo compression, level 0
[26642.748709] BTRFS info (device dm-14): disk space caching is enabled
[26642.749108] BTRFS info (device dm-14): has skinny extents
[26642.750906] BTRFS info (device dm-14): start tree-log replay
[26642.755909] BTRFS info (device dm-14): checking UUID tree
[26642.907943] BTRFS info (device dm-14): flagging fs with big metadata feature
[26642.908412] BTRFS info (device dm-14): use lzo compression, level 0
[26642.908785] BTRFS info (device dm-14): disk space caching is enabled
[26642.909237] BTRFS info (device dm-14): has skinny extents
[26643.001071] BUG: sleeping function called from invalid context at block/blk-sysfs.c:766
[26643.001559] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
[26643.002028] preempt_count: 101, expected: 0
[26643.002483] RCU nest depth: 0, expected: 0
[26643.002732] INFO: lockdep is turned off.
[26643.002968] Preemption disabled at:
[26643.002969] [] ___slab_alloc+0x961/0xf50
[26643.003610] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 5.17.0+ #641
[26643.004063] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[26643.004563] Call Trace:
[26643.004714]
[26643.004843] dump_stack_lvl+0x56/0x6f
[26643.005075] __might_resched.cold+0xff/0x13a
[26643.005333] blk_release_queue+0x24/0x120
[26643.005579] kobject_put+0x7c/0x1d0
[26643.005796] ? rcu_do_batch+0x1ac/0x570
[26643.006030] blkg_free.part.0+0x41/0x60
[26643.006267] rcu_do_batch+0x1e1/0x570
[26643.006490] ? rcu_do_batch+0x1ac/0x570
[26643.006723] rcu_core+0x2cb/0x460
[26643.006928] __do_softirq+0x178/0x517
[26643.007157] __irq_exit_rcu+0xe3/0x160
[26643.007386] irq_exit_rcu+0xa/0x20
[26643.007595] sysvec_apic_timer_interrupt+0xa2/0xd0
[26643.007886]
[26643.008017]
[26643.008151] asm_sysvec_apic_timer_interrupt+0x12/0x20
[26643.008461] RIP: 0010:native_safe_halt+0xb/0x10
[26643.008736] Code: 56 ff ff ff 7f 5b c3 65 48 8b 04 25 c0 fe 01 00 f0 80 48 02 20 48 8b 00 a8 08 75 c3 eb 80 cc eb 07 0f 00 2d 79 b7 5b 00 fb f4 0f 1f 40 00 eb 07 0f 00 2d 69 b7 5b 00 f4 c3 cc cc cc cc cc 0f
[26643.009834] RSP: 0018:ffffa28440093ef8 EFLAGS: 00000246
[26643.010151] RAX: ffffffffa9e64a80 RBX: ffff94fc40340000 RCX: 0000000000000000
[26643.010572] RDX: ffff94fc40340000 RSI: ffffffffaa87e4d9 RDI: ffffffffa9e64bf6
[26643.010995] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[26643.011418] R10: 0000000000000002 R11: ffff94fcbbd20c88 R12: 0000000000000000
[26643.011839] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[26643.012265] ? mwait_idle+0x80/0x80
[26643.012478] ? default_idle_call+0x26/0xa0
[26643.012729] default_idle+0xa/0x10
[26643.012938] default_idle_call+0x5e/0xa0
[26643.013179] do_idle+0x1e9/0x240
[26643.013405] cpu_startup_entry+0x19/0x20
[26643.013644] secondary_startup_64_no_verify+0xd5/0xdb
[26643.013949]
[26643.166502] BTRFS info (device dm-0): flagging fs with big metadata feature
[26643.166935] BTRFS info (device dm-0): use lzo compression, level 0
[26643.167342] BTRFS info (device dm-0): using free space tree
[26643.167679] BTRFS info (device dm-0): has skinny extents