From: Xiubo Li <xiubli@xxxxxxxxxx> V2: - Add error_unlocked lable and rename error lable to error_locked. kernel: page:00000000c9746ff1 refcount:2 mapcount:0 mapping:00000000dc2785bb index:0x1 pfn:0x141afc kernel: memcg:ffff88810f766000 kernel: aops:ceph_aops [ceph] ino:100000005e7 dentry name:"postgresql-Fri.log" kernel: flags: 0x5ffc000000201c(uptodate|dirty|lru|private|node=0|zone=2|lastcpupid=0x7ff) kernel: raw: 005ffc000000201c ffffea000a9eeb48 ffffea00060ade48 ffff888193ed8228 kernel: raw: 0000000000000001 ffff88810cc96500 00000002ffffffff ffff88810f766000 kernel: page dumped because: VM_BUG_ON_FOLIO(!folio_test_locked(folio)) kernel: ------------[ cut here ]------------ kernel: kernel BUG at mm/filemap.c:1559! kernel: invalid opcode: 0000 [#1] PREEMPT SMP PTI kernel: CPU: 4 PID: 131697 Comm: postmaster Tainted: G S 5.19.0-rc2-ceph-g822a4c74e05d #1 kernel: Hardware name: Supermicro SYS-5018R-WR/X10SRW-F, BIOS 2.0 12/17/2015 kernel: RIP: 0010:folio_unlock+0x26/0x30 kernel: Code: 00 0f 1f 00 0f 1f 44 00 00 48 8b 07 a8 01 74 0e f0 80 27 fe 78 01 c3 31 f6 e9 d6 fe ff ff 48 c7 c6 c0 81 37 82 e8 aa 64 04 00 <0f> 0b 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 87 b8 01 00 00 kernel: RSP: 0018:ffffc90004377bc8 EFLAGS: 00010246 kernel: RAX: 000000000000003f RBX: ffff888193ed8228 RCX: 0000000000000001 kernel: RDX: 0000000000000000 RSI: ffffffff823a3569 RDI: 00000000ffffffff kernel: RBP: ffffffff828a0058 R08: 0000000000000001 R09: 0000000000000001 kernel: R10: 000000007c6b0fd2 R11: 0000000000000034 R12: 0000000000000001 kernel: R13: 00000000fffffe00 R14: ffffea000506bf00 R15: ffff888193ed8000 kernel: FS: 00007f4993626340(0000) GS:ffff88885fd00000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: CR2: 0000555789ee8000 CR3: 000000017a52a006 CR4: 00000000001706e0 kernel: Call Trace: kernel: <TASK> kernel: netfs_write_begin+0x130/0x950 [netfs] kernel: ceph_write_begin+0x46/0xd0 [ceph] kernel: generic_perform_write+0xef/0x200 kernel: ? file_update_time+0xd4/0x110 kernel: ceph_write_iter+0xb01/0xcd0 [ceph] kernel: ? lock_is_held_type+0xe3/0x140 kernel: ? new_sync_write+0x106/0x180 kernel: new_sync_write+0x106/0x180 kernel: vfs_write+0x29a/0x3a0 kernel: ksys_write+0x5c/0xd0 kernel: do_syscall_64+0x34/0x80 kernel: entry_SYSCALL_64_after_hwframe+0x46/0xb0 kernel: RIP: 0033:0x7f49903205c8 kernel: Code: 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 d5 3f 2a 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 49 89 d4 55 kernel: RSP: 002b:00007fff104bd178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 kernel: RAX: ffffffffffffffda RBX: 0000000000000048 RCX: 00007f49903205c8 kernel: RDX: 0000000000000048 RSI: 000055944d3c1ea0 RDI: 000000000000000b kernel: RBP: 000055944d3c1ea0 R08: 000055944d3963d0 R09: 00007fff1055b080 kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000055944d3962f0 kernel: R13: 0000000000000048 R14: 00007f49905bb880 R15: 0000000000000048 kernel: </TASK> Xiubo Li (2): netfs: do not unlock and put the folio twice afs: unlock the folio when vnode is marked deleted fs/afs/file.c | 8 +++++++- fs/netfs/buffered_read.c | 13 +++++++------ 2 files changed, 14 insertions(+), 7 deletions(-) -- 2.36.0.rc1
