[10502.999486] run fstests generic/455 at 2022-04-01 23:46:28
[10503.231936] BTRFS info (device dm-0): flagging fs with big metadata feature
[10503.232159] BTRFS info (device dm-0): using free space tree
[10503.232332] BTRFS info (device dm-0): has skinny extents
[10503.885364] BTRFS: device fsid 133a551e-f1ab-4f3a-bf74-0a07bd32981b devid 1 transid 6 /dev/mapper/logwrites-test scanned by mkfs.btrfs (2237440)
[10503.895006] BTRFS info (device dm-15): flagging fs with big metadata feature
[10503.895232] BTRFS info (device dm-15): turning on async discard
[10503.895409] BTRFS info (device dm-15): turning on sync discard
[10503.895595] BTRFS info (device dm-15): disk space caching is enabled
[10503.895798] BTRFS info (device dm-15): has skinny extents
[10503.897216] BTRFS info (device dm-15): checking UUID tree
[10504.907748] BUG: sleeping function called from invalid context at block/blk-sysfs.c:766
[10504.908026] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 2237554, name: sed
[10504.908270] preempt_count: 100, expected: 0
[10504.908412] RCU nest depth: 0, expected: 0
[10504.908566] INFO: lockdep is turned off.
[10504.908709] Preemption disabled at:
[10504.908709] [] __do_softirq+0x5e/0x517
[10504.909022] CPU: 1 PID: 2237554 Comm: sed Tainted: G        W         5.17.0+ #639
[10504.909260] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[10504.909532] Call Trace:
[10504.909670]  
[10504.909785]  dump_stack_lvl+0x56/0x6f
[10504.909924]  __might_resched.cold+0xff/0x13a
[10504.910074]  blk_release_queue+0x24/0x120
[10504.910219]  kobject_put+0x7c/0x1d0
[10504.910355]  ? rcu_do_batch+0x1ac/0x570
[10504.910504]  blkg_free.part.0+0x41/0x60
[10504.910648]  rcu_do_batch+0x1e1/0x570
[10504.910783]  ? rcu_do_batch+0x1ac/0x570
[10504.910923]  rcu_core+0x2cb/0x460
[10504.911058]  __do_softirq+0x178/0x517
[10504.911216]  __irq_exit_rcu+0xe3/0x160
[10504.911356]  irq_exit_rcu+0xa/0x20
[10504.911496]  sysvec_apic_timer_interrupt+0xa2/0xd0
[10504.911701]  
[10504.911812]  
[10504.911926]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[10504.912088] RIP: 0010:seqcount_lockdep_reader_access+0x81/0x90
[10504.912260] Code: 00 00 00 b9 02 00 00 00 31 f6 48 89 ef e8 67 e9 e1 ff 48 8b 74 24 10 48 89 ef e8 9a e6 e1 ff e8 b5 3b ee ff fb 0f 1f 44 00 00 <5a> 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f 1f 44 00 00 48 2b
[10504.913384] RSP: 0000:ffffb835c651fbd0 EFLAGS: 00000246
[10504.913556] RAX: 0000000080000000 RBX: ffff9418bffd3e00 RCX: 0000000000000000
[10504.913777] RDX: 0000000000000000 RSI: ffffffffb83c86e6 RDI: ffffffffb83c869b
[10504.913991] RBP: ffff9418bffd3ec8 R08: 0000000000000000 R09: 0000000000000000
[10504.914233] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[10504.914473] R13: 0000000000000001 R14: ffff9418bffd3ec0 R15: ffffddd185b8c180
[10504.914669]  ? page_outside_zone_boundaries+0x36/0xa0
[10504.914831]  ? seqcount_lockdep_reader_access+0x7b/0x90
[10504.914995]  ? page_outside_zone_boundaries+0x36/0xa0
[10504.915158]  page_outside_zone_boundaries+0x36/0xa0
[10504.915329]  get_page_from_freelist+0xa8d/0x16d0
[10504.915533]  ? rcu_read_lock_sched_held+0x12/0x60
[10504.915689]  ? prepare_alloc_pages+0xbc/0x1b0
[10504.915862]  __alloc_pages+0xd6/0x290
[10504.916025]  alloc_pages_vma+0x8f/0x2e0
[10504.916168]  __handle_mm_fault+0x747/0x1460
[10504.916316]  handle_mm_fault+0x11e/0x3a0
[10504.916459]  do_user_addr_fault+0x1e9/0x6b0
[10504.916607]  exc_page_fault+0x78/0x280
[10504.916744]  ? asm_exc_page_fault+0x8/0x30
[10504.916886]  asm_exc_page_fault+0x1e/0x30
[10504.917031] RIP: 0033:0x7f37bd16fe30
[10504.917170] Code: ec 38 0f 31 48 c1 e2 20 48 09 d0 48 8d 15 10 c0 02 00 48 89 05 e1 b5 02 00 48 8b 05 02 c0 02 00 49 89 d4 4c 2b 25 88 c1 02 00 <48> 89 15 e1 cb 02 00 4c 89 25 ca cb 02 00 48 85 c0 74 73 bf ff ff
[10504.917647] RSP: 002b:00007ffdec6267d0 EFLAGS: 00010206
[10504.917873] RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
[10504.918073] RDX: 00007f37bd19be28 RSI: 0000000000000000 RDI: 00007ffdec626840
[10504.918267] RBP: 00007ffdec626830 R08: 0000000000000000 R09: 0000000000000000
[10504.918486] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f37bd16e000
[10504.918703] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffdec626840
[10504.918899]  
[10505.075950] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.076238] BTRFS info (device dm-14): turning on async discard
[10505.076456] BTRFS info (device dm-14): disk space caching is enabled
[10505.076661] BTRFS info (device dm-14): has skinny extents
[10505.078512] BTRFS info (device dm-14): start tree-log replay
[10505.088002] BTRFS info (device dm-14): checking UUID tree
[10505.181244] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.181469] BTRFS info (device dm-14): turning on async discard
[10505.181643] BTRFS info (device dm-14): disk space caching is enabled
[10505.181849] BTRFS info (device dm-14): has skinny extents
[10505.183624] BTRFS info (device dm-14): start tree-log replay
[10505.192442] BTRFS info (device dm-14): checking UUID tree
[10505.299232] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.299452] BTRFS info (device dm-14): turning on async discard
[10505.299624] BTRFS info (device dm-14): disk space caching is enabled
[10505.299820] BTRFS info (device dm-14): has skinny extents
[10505.301132] BTRFS info (device dm-14): start tree-log replay
[10505.310003] BTRFS info (device dm-14): checking UUID tree
[10505.411083] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.411303] BTRFS info (device dm-14): turning on async discard
[10505.411486] BTRFS info (device dm-14): disk space caching is enabled
[10505.411668] BTRFS info (device dm-14): has skinny extents
[10505.412990] BTRFS info (device dm-14): start tree-log replay
[10505.421901] BTRFS info (device dm-14): checking UUID tree
[10505.522642] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.522878] BTRFS info (device dm-14): turning on async discard
[10505.523059] BTRFS info (device dm-14): disk space caching is enabled
[10505.523241] BTRFS info (device dm-14): has skinny extents
[10505.524521] BTRFS info (device dm-14): start tree-log replay
[10505.533558] BTRFS info (device dm-14): checking UUID tree
[10505.644053] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.644287] BTRFS info (device dm-14): turning on async discard
[10505.644499] BTRFS info (device dm-14): disk space caching is enabled
[10505.644684] BTRFS info (device dm-14): has skinny extents
[10505.646447] BTRFS info (device dm-14): start tree-log replay
[10505.656220] BTRFS info (device dm-14): checking UUID tree
[10505.777936] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.778156] BTRFS info (device dm-14): turning on async discard
[10505.778334] BTRFS info (device dm-14): disk space caching is enabled
[10505.778522] BTRFS info (device dm-14): has skinny extents
[10505.780184] BTRFS info (device dm-14): start tree-log replay
[10505.789244] BTRFS info (device dm-14): checking UUID tree
[10505.909228] BTRFS info (device dm-14): flagging fs with big metadata feature
[10505.909458] BTRFS info (device dm-14): turning on async discard
[10505.909633] BTRFS info (device dm-14): disk space caching is enabled
[10505.909841] BTRFS info (device dm-14): has skinny extents
[10505.911383] BTRFS info (device dm-14): start tree-log replay
[10505.921082] BTRFS info (device dm-14): checking UUID tree
[10506.055464] BTRFS info (device dm-14): flagging fs with big metadata feature
[10506.055681] BTRFS info (device dm-14): turning on async discard
[10506.055880] BTRFS info (device dm-14): disk space caching is enabled
[10506.056065] BTRFS info (device dm-14): has skinny extents
[10506.057500] BTRFS info (device dm-14): start tree-log replay
[10506.066614] BTRFS info (device dm-14): checking UUID tree
[10506.231352] BTRFS info (device dm-14): flagging fs with big metadata feature
[10506.231575] BTRFS info (device dm-14): turning on async discard
[10506.231780] BTRFS info (device dm-14): disk space caching is enabled
[10506.231964] BTRFS info (device dm-14): has skinny extents
[10506.234032] BTRFS info (device dm-14): start tree-log replay
[10506.243941] BTRFS info (device dm-14): checking UUID tree
[10506.392171] BTRFS info (device dm-14): flagging fs with big metadata feature
[10506.392391] BTRFS info (device dm-14): turning on async discard
[10506.392577] BTRFS info (device dm-14): disk space caching is enabled
[10506.392784] BTRFS info (device dm-14): has skinny extents
[10506.394359] BTRFS info (device dm-14): start tree-log replay
[10506.403653] BTRFS info (device dm-14): checking UUID tree
[10506.547994] BTRFS info (device dm-14): flagging fs with big metadata feature
[10506.548223] BTRFS info (device dm-14): turning on async discard
[10506.548403] BTRFS info (device dm-14): disk space caching is enabled
[10506.548597] BTRFS info (device dm-14): has skinny extents
[10506.550704] BTRFS info (device dm-14): start tree-log replay
[10506.559202] BTRFS info (device dm-14): checking UUID tree
[10506.713050] BTRFS info (device dm-14): flagging fs with big metadata feature
[10506.713271] BTRFS info (device dm-14): turning on async discard
[10506.713475] BTRFS info (device dm-14): disk space caching is enabled
[10506.713681] BTRFS info (device dm-14): has skinny extents
[10506.715249] BTRFS info (device dm-14): start tree-log replay
[10506.724631] BTRFS info (device dm-14): checking UUID tree
[10507.006130] BTRFS info (device dm-14): flagging fs with big metadata feature
[10507.006351] BTRFS info (device dm-14): turning on async discard
[10507.012180] BTRFS info (device dm-14): disk space caching is enabled
[10507.012368] BTRFS info (device dm-14): has skinny extents
[10507.015903] BTRFS info (device dm-14): start tree-log replay
[10507.104008] BTRFS info (device dm-14): checking UUID tree
[10507.438161] BTRFS info (device dm-14): flagging fs with big metadata feature
[10507.438394] BTRFS info (device dm-14): turning on async discard
[10507.438640] BTRFS info (device dm-14): disk space caching is enabled
[10507.438912] BTRFS info (device dm-14): has skinny extents
[10507.440554] BTRFS info (device dm-14): start tree-log replay
[10507.449767] BTRFS info (device dm-14): checking UUID tree
[10507.611984] BTRFS info (device dm-14): flagging fs with big metadata feature
[10507.612210] BTRFS info (device dm-14): turning on async discard
[10507.613195] BTRFS info (device dm-14): disk space caching is enabled
[10507.613475] BTRFS info (device dm-14): has skinny extents
[10507.615324] BTRFS info (device dm-14): start tree-log replay
[10507.625615] BTRFS info (device dm-14): checking UUID tree
[10507.789659] BTRFS info (device dm-14): flagging fs with big metadata feature
[10507.789893] BTRFS info (device dm-14): turning on async discard
[10507.790071] BTRFS info (device dm-14): disk space caching is enabled
[10507.790257] BTRFS info (device dm-14): has skinny extents
[10507.791933] BTRFS info (device dm-14): start tree-log replay
[10507.802886] BTRFS info (device dm-14): checking UUID tree
[10507.911958] BTRFS info (device dm-14): flagging fs with big metadata feature
[10507.912173] BTRFS info (device dm-14): turning on async discard
[10507.912348] BTRFS info (device dm-14): disk space caching is enabled
[10507.913270] BTRFS info (device dm-14): has skinny extents
[10507.914883] BTRFS info (device dm-14): start tree-log replay
[10507.923761] BTRFS info (device dm-14): checking UUID tree
[10508.040079] BTRFS info (device dm-14): flagging fs with big metadata feature
[10508.040293] BTRFS info (device dm-14): turning on async discard
[10508.040473] BTRFS info (device dm-14): disk space caching is enabled
[10508.040654] BTRFS info (device dm-14): has skinny extents
[10510.423469] _btrfs_printk: 98 callbacks suppressed
[10510.423472] BTRFS info (device dm-14): flagging fs with big metadata feature
[10510.424028] BTRFS info (device dm-14): turning on async discard
[10510.424288] BTRFS info (device dm-14): disk space caching is enabled
[10510.424552] BTRFS info (device dm-14): has skinny extents
[10510.426737] BTRFS info (device dm-14): start tree-log replay
[10510.436026] BTRFS info (device dm-14): checking UUID tree
[10510.562297] BTRFS info (device dm-14): flagging fs with big metadata feature
[10510.562530] BTRFS info (device dm-14): turning on async discard
[10510.562734] BTRFS info (device dm-14): disk space caching is enabled
[10510.562928] BTRFS info (device dm-14): has skinny extents
[10510.564252] BTRFS info (device dm-14): start tree-log replay
[10510.573435] BTRFS info (device dm-14): checking UUID tree
[10510.705133] BTRFS info (device dm-14): flagging fs with big metadata feature
[10510.705348] BTRFS info (device dm-14): turning on async discard
[10510.705574] BTRFS info (device dm-14): disk space caching is enabled
[10510.705779] BTRFS info (device dm-14): has skinny extents
[10510.707626] BTRFS info (device dm-14): start tree-log replay
[10510.717120] BTRFS info (device dm-14): checking UUID tree
[10510.852499] BTRFS info (device dm-14): flagging fs with big metadata feature
[10510.852732] BTRFS info (device dm-14): turning on async discard
[10510.852915] BTRFS info (device dm-14): disk space caching is enabled
[10510.853100] BTRFS info (device dm-14): has skinny extents
[10510.854547] BTRFS info (device dm-14): start tree-log replay
[10510.863833] BTRFS info (device dm-14): checking UUID tree
[10511.000276] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.000519] BTRFS info (device dm-14): turning on async discard
[10511.000715] BTRFS info (device dm-14): disk space caching is enabled
[10511.000899] BTRFS info (device dm-14): has skinny extents
[10511.002481] BTRFS info (device dm-14): start tree-log replay
[10511.011892] BTRFS info (device dm-14): checking UUID tree
[10511.153866] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.154102] BTRFS info (device dm-14): turning on async discard
[10511.154277] BTRFS info (device dm-14): disk space caching is enabled
[10511.154465] BTRFS info (device dm-14): has skinny extents
[10511.156026] BTRFS info (device dm-14): start tree-log replay
[10511.164703] BTRFS info (device dm-14): checking UUID tree
[10511.315365] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.315726] BTRFS info (device dm-14): turning on async discard
[10511.315982] BTRFS info (device dm-14): disk space caching is enabled
[10511.316232] BTRFS info (device dm-14): has skinny extents
[10511.318285] BTRFS info (device dm-14): start tree-log replay
[10511.328566] BTRFS info (device dm-14): checking UUID tree
[10511.482416] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.482650] BTRFS info (device dm-14): turning on async discard
[10511.482859] BTRFS info (device dm-14): disk space caching is enabled
[10511.483060] BTRFS info (device dm-14): has skinny extents
[10511.484617] BTRFS info (device dm-14): start tree-log replay
[10511.493935] BTRFS info (device dm-14): checking UUID tree
[10511.604104] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.604388] BTRFS info (device dm-14): turning on async discard
[10511.604590] BTRFS info (device dm-14): disk space caching is enabled
[10511.604812] BTRFS info (device dm-14): has skinny extents
[10511.606471] BTRFS info (device dm-14): start tree-log replay
[10511.615067] BTRFS info (device dm-14): checking UUID tree
[10511.710843] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.711101] BTRFS info (device dm-14): turning on async discard
[10511.711298] BTRFS info (device dm-14): disk space caching is enabled
[10511.711501] BTRFS info (device dm-14): has skinny extents
[10511.712837] BTRFS info (device dm-14): start tree-log replay
[10511.721279] BTRFS info (device dm-14): checking UUID tree
[10511.829205] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.829459] BTRFS info (device dm-14): turning on async discard
[10511.829635] BTRFS info (device dm-14): disk space caching is enabled
[10511.829843] BTRFS info (device dm-14): has skinny extents
[10511.831197] BTRFS info (device dm-14): start tree-log replay
[10511.840149] BTRFS info (device dm-14): checking UUID tree
[10511.953338] BTRFS info (device dm-14): flagging fs with big metadata feature
[10511.953562] BTRFS info (device dm-14): turning on async discard
[10511.953755] BTRFS info (device dm-14): disk space caching is enabled
[10511.953939] BTRFS info (device dm-14): has skinny extents
[10511.955441] BTRFS info (device dm-14): start tree-log replay
[10511.965971] BTRFS info (device dm-14): checking UUID tree
[10512.083912] BTRFS info (device dm-14): flagging fs with big metadata feature
[10512.084134] BTRFS info (device dm-14): turning on async discard
[10512.084311] BTRFS info (device dm-14): disk space caching is enabled
[10512.084497] BTRFS info (device dm-14): has skinny extents
[10512.085877] BTRFS info (device dm-14): start tree-log replay
[10512.094838] BTRFS info (device dm-14): checking UUID tree
[10512.229024] BTRFS info (device dm-14): flagging fs with big metadata feature
[10512.229256] BTRFS info (device dm-14): turning on async discard
[10512.229444] BTRFS info (device dm-14): disk space caching is enabled
[10512.229626] BTRFS info (device dm-14): has skinny extents
[10512.231323] BTRFS info (device dm-14): start tree-log replay
[10512.240639] BTRFS info (device dm-14): checking UUID tree
[10512.381964] BTRFS info (device dm-14): flagging fs with big metadata feature
[10512.382179] BTRFS info (device dm-14): turning on async discard
[10512.383370] BTRFS info (device dm-14): disk space caching is enabled
[10512.383559] BTRFS info (device dm-14): has skinny extents
[10512.385190] BTRFS info (device dm-14): start tree-log replay
[10512.394827] BTRFS info (device dm-14): checking UUID tree
[10512.624215] BTRFS info (device dm-14): flagging fs with big metadata feature
[10512.624469] BTRFS info (device dm-14): turning on async discard
[10512.624650] BTRFS info (device dm-14): disk space caching is enabled
[10512.624883] BTRFS info (device dm-14): has skinny extents
[10512.626727] BTRFS info (device dm-14): start tree-log replay
[10512.702091] BTRFS info (device dm-14): checking UUID tree
[10513.084509] BTRFS info (device dm-14): flagging fs with big metadata feature
[10513.084792] BTRFS info (device dm-14): turning on async discard
[10513.084973] BTRFS info (device dm-14): disk space caching is enabled
[10513.085162] BTRFS info (device dm-14): has skinny extents
[10515.840199] _btrfs_printk: 26 callbacks suppressed
[10515.840202] BTRFS info (device dm-14): flagging fs with big metadata feature
[10515.840589] BTRFS info (device dm-14): turning on async discard
[10515.840789] BTRFS info (device dm-14): disk space caching is enabled
[10515.840974] BTRFS info (device dm-14): has skinny extents
[10516.197650] BUG: sleeping function called from invalid context at block/blk-sysfs.c:766
[10516.197923] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0
[10516.198166] preempt_count: 101, expected: 0
[10516.198316] RCU nest depth: 0, expected: 0
[10516.198469] INFO: lockdep is turned off.
[10516.198611] Preemption disabled at:
[10516.198612] [] schedule_preempt_disabled+0x1e/0x20
[10516.198950] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W         5.17.0+ #639
[10516.199191] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[10516.199448] Call Trace:
[10516.199568]  
[10516.199685]  dump_stack_lvl+0x56/0x6f
[10516.199832]  __might_resched.cold+0xff/0x13a
[10516.200026]  blk_release_queue+0x24/0x120
[10516.200175]  kobject_put+0x7c/0x1d0
[10516.200342]  ? rcu_do_batch+0x1ac/0x570
[10516.200488]  blkg_free.part.0+0x41/0x60
[10516.200629]  rcu_do_batch+0x1e1/0x570
[10516.200767]  ? rcu_do_batch+0x1ac/0x570
[10516.200912]  rcu_core+0x2cb/0x460
[10516.201048]  __do_softirq+0x178/0x517
[10516.201188]  __irq_exit_rcu+0xe3/0x160
[10516.201346]  irq_exit_rcu+0xa/0x20
[10516.201484]  sysvec_apic_timer_interrupt+0xa2/0xd0
[10516.201642]  
[10516.201754]  
[10516.201868]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[10516.202031] RIP: 0010:native_safe_halt+0xb/0x10
[10516.202185] Code: 47 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
[10516.202651] RSP: 0018:ffffffffb9a03ea8 EFLAGS: 00000246
[10516.202815] RAX: ffffffffb8e64a80 RBX: ffffffffb9a30a00 RCX: 0000000000000000
[10516.203009] RDX: ffffffffb9a30a00 RSI: ffffffffb987e4d9 RDI: ffffffffb8e64bf6
[10516.203200] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[10516.203399] R10: 0000000000000000 R11: ffff9418bbc20c88 R12: 0000000000000000
[10516.203634] R13: 0000000000000000 R14: ffffffffb9a30118 R15: 0000000000000065
[10516.203831]  ? mwait_idle+0x80/0x80
[10516.209764]  ? default_idle_call+0x26/0xa0
[10516.209940]  default_idle+0xa/0x10
[10516.210078]  default_idle_call+0x5e/0xa0
[10516.210224]  do_idle+0x1e9/0x240
[10516.210358]  cpu_startup_entry+0x19/0x20
[10516.210503]  start_kernel+0x98c/0x99e
[10516.210672]  ? copy_bootdata+0x18/0x55
[10516.210818]  secondary_startup_64_no_verify+0xd5/0xdb
[10516.210982]  
[10516.721040] BTRFS info (device dm-0): flagging fs with big metadata feature
[10516.721256] BTRFS info (device dm-0): turning on async discard
[10516.721439] BTRFS info (device dm-0): using free space tree
[10516.721660] BTRFS info (device dm-0): has skinny extents