Re: Performance of ext4

From: Mingming
Date: Wed Jun 25 2008 - 20:46:51 EST

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On Wed, 2008-06-25 at 09:09 +0000, Holger Kiehl wrote:
> On Tue, 24 Jun 2008, Mingming wrote:
>
> >
> > On Tue, 2008-06-24 at 21:12 +0000, Holger Kiehl wrote:
> >> Yes, with this patch applied on top of latest patch queue I no longer
> >> get truncated files, after running a short test. Tomorrow I will do some
> >> more thorough testing and use the patch you have send to me in a separate
> >> mail. The above patch did not apply but it was easy to apply by hand.
> >
> >
> > Thanks for quick response and test. I have updated the patch queue with
> > above patch merged. Please let me know if you still see apply issue and
> > file size update issue with current patch queue.
> >
> Thanks, it applies without any problems. However I still hit an oops. What
> I find strange is that I got the oops just as the benchmark is done and
> all process where shutting down. The same behaviour I reported here:
> http://www.ussg.iu.edu/hypermail/linux/kernel/0806.2/2113.html
> Only this time I got just one oops. This is on x86_64 system (4 Opteron CPU's
> and SW Raid 1+0). I have not seen this on my home system x86 (1 Dual Core
> and HW Raid). Anyway, here the dmesg output:
>
> kjournald2 starting. Commit interval 15 seconds
> EXT4 FS on md7, internal journal
> EXT4-fs: mounted filesystem with ordered data mode.
> EXT4-fs: file extents enabled
> EXT4-fs: mballoc enabled
> JBD: barrier-based sync failed on md7 - disabling barriers
> ------------[ cut here ]------------
> kernel BUG at fs/ext4/inode.c:1667!

Did not get a chance to look more closely today, but it's point to this
code in ext4_da_writepage()

page_bufs = page_buffers(page);

and appearently it's BUG_ON at
BUG_ON(!PagePrivate(page)); in page_buffers().

Mingming

> invalid opcode: 0000 [1] SMP
> CPU 3
> Modules linked in: w83627hf lm85 hwmon_vid bonding nf_conntrack_ftp ipt_REJECT xt_tcpudp nf_conntrack_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables binfmt_misc sg floppy k8temp ohci_hcd i2c_amd756 i2c_core button usbcore
> Pid: 2661, comm: kjournald2 Not tainted 2.6.26-rc6 #1
> RIP: 0010:[<ffffffff802dd314>] [<ffffffff802dd314>] ext4_da_writepage+0x30/0xf4
> RSP: 0018:ffff81027d737c10 EFLAGS: 00010246
> RAX: 010000000001002d RBX: ffffe200017e9218 RCX: 00000000ffffffe8
> RDX: 0000000000004278 RSI: ffff81027d737e00 RDI: ffffe200017e9218
> RBP: ffff81021dad66e8 R08: ffff81027ff05440 R09: ffff81027d737b50
> R10: ffff81020fe54480 R11: ffff81020fe54400 R12: ffff81027d737e00
> R13: 0000000000000001 R14: 0000000000000000 R15: ffff8101ff0b8120
> FS: 00007f53ed10b6f0(0000) GS:ffff81027ff13000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: 000000000081a000 CR3: 0000000166f03000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process kjournald2 (pid: 2661, threadinfo ffff81027d736000, task ffff81027ed93210)
> Stack: ffff81021dad67f8 ffff81027d737e00 0000000000000000 ffffffff80261816
> ffffe200017e9218 ffffffff80261f8c ffff81021dad67f8 ffffffff8026180c
> ffff81021dad67f8 0000000280224f0c 0000000000000004 000000007d737fd8
> Call Trace:
> [<ffffffff80261816>] ? __writepage+0xa/0x27
> [<ffffffff80261f8c>] ? write_cache_pages+0x174/0x2be
> [<ffffffff8026180c>] ? __writepage+0x0/0x27
> [<ffffffff802ff1ed>] ? jbd2_journal_commit_transaction+0x343/0xe6a
> [<ffffffff802411a8>] ? hrtimer_start+0x100/0x122
> [<ffffffff802357ba>] ? try_to_del_timer_sync+0x52/0x5b
> [<ffffffff80302972>] ? kjournald2+0xdf/0x202
> [<ffffffff8023e74a>] ? autoremove_wake_function+0x0/0x2e
> [<ffffffff80302893>] ? kjournald2+0x0/0x202
> [<ffffffff8023e43b>] ? kthread+0x47/0x73
> [<ffffffff8020bf78>] ? child_rip+0xa/0x12
> [<ffffffff8023e3f4>] ? kthread+0x0/0x73
> [<ffffffff8020bf6e>] ? child_rip+0x0/0x12
>
>
> Code: 55 53 48 8b 47 18 48 89 fb 48 8b 28 65 48 8b 04 25 00 00 00 00 48 83 b8 d0 04 00 00 00 75 5f 48 8b 07 48 8b 55 68 f6 c4 08 75 04 <0f> 0b eb fe 48 89 d0 81 e2 ff 0f 00 00 48 8b 77 10 48 c1 f8 0c
> RIP [<ffffffff802dd314>] ext4_da_writepage+0x30/0xf4
> RSP <ffff81027d737c10>
> ---[ end trace efaf3891d582feb1 ]---
> SysRq : Show Blocked State
> task PC stack pid father
> pdflush D 00000000ffffffff 0 242 2
> ffff81007f319bb8 0000000000000046 ffffffff8031682e 000000000000000e
> ffffffff80600cc0 000000000000000e ffff81007f319bf0 ffff81007fbbbd30
> ffff8101fff33210 ffff81007fbbbf68 00000002802aa2a6 ffff81007fbbbf68
> Call Trace:
> [<ffffffff8031682e>] submit_bio+0xc4/0xcb
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fde7f>] jbd2_journal_stop+0x191/0x19d
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dd7e8>] ext4_da_writepages+0x75/0x173
> [<ffffffff80262112>] do_writepages+0x20/0x2d
> [<ffffffff8029f6da>] __writeback_single_inode+0x16f/0x35e
> [<ffffffff8029fcf7>] sync_sb_inodes+0x283/0x3b8
> [<ffffffff802a0080>] writeback_inodes+0x89/0xde
> [<ffffffff80262252>] wb_kupdate+0x9f/0x116
> [<ffffffff80262ca0>] pdflush+0x122/0x1c9
> [<ffffffff802621b3>] wb_kupdate+0x0/0x116
> [<ffffffff80262b7e>] pdflush+0x0/0x1c9
> [<ffffffff8023e43b>] kthread+0x47/0x73
> [<ffffffff8022ae6a>] schedule_tail+0x27/0x5c
> [<ffffffff8020bf78>] child_rip+0xa/0x12
> [<ffffffff8023e3f4>] kthread+0x0/0x73
> [<ffffffff8020bf6e>] child_rip+0x0/0x12
>
> init_afd D 00000000ffffffff 0 7974 1
> ffff8101050d3b30 0000000000000082 ffff810055f08230 0000000000080768
> ffffffff80600cc0 ffff8101ff8509c0 ffffffff802a38d5 ffff8101050aac80
> ffff8101fff342c0 ffff8101050aaeb8 000000038023e66b ffff8101050aaeb8
> Call Trace:
> [<ffffffff802a38d5>] __find_get_block_slow+0xcf/0xdb
> [<ffffffff802fe4bb>] do_get_write_access+0x3ab/0x3ed
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80224a97>] __wake_up+0x38/0x4f
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8022a72f>] hrtick_set+0x8b/0x10a
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff80242fdc>] getnstimeofday+0x38/0x92
> [<ffffffff80240fcb>] lock_hrtimer_base+0x1b/0x3c
> [<ffffffff80241089>] hrtimer_try_to_cancel+0x61/0x6a
> [<ffffffff8024109e>] hrtimer_cancel+0xc/0x16
> [<ffffffff8046687e>] do_nanosleep+0x6c/0xa6
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> system_log D 00000000ffffffff 0 7975 7974
> ffff81002d533ad0 0000000000000086 ffffffff8028fce8 ffff81007ed55e90
> ffffffff80600cc0 0000000000000100 ffff81027d7cae40 ffff81007ed55e90
> ffff8101fff342c0 ffff81007ed560c8 000000032d533f50 ffff81007ed560c8
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802dc663>] ext4_mark_inode_dirty+0x134/0x147
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8026f499>] mmap_region+0x41a/0x505
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> receive_log D 00000000ffffffff 0 7977 7974
> ffff81002d4ffad0 0000000000000082 ffffffff8028fce8 ffff81007ed55900
> ffffffff80600cc0 0000000000000100 ffff81007e86ed80 ffff81007ed55900
> ffffffff8054d350 ffff81007ed55b38 000000002d4fff50 ffff81007ed55b38
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802ec6a2>] __ext4_journal_dirty_metadata+0x1e/0x46
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff8028ad96>] do_lookup+0x63/0x1a1
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> archive_watch D 00000000ffffffff 0 7980 7974
> ffff81007ecabce0 0000000000000082 ffffffff802de7cd ffff810000000001
> ffffffff80600cc0 ffff810000000001 ffffffff8027ce42 ffff81007ed537a0
> ffff8101fff33210 ffff81007ed539d8 00000002802d9b7a ffff81007ed539d8
> Call Trace:
> [<ffffffff802de7cd>] ext4_getblk+0xb4/0x170
> [<ffffffff8027ce42>] get_partial_node+0x15/0x78
> [<ffffffff80294b15>] __d_lookup+0xbd/0x107
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8028c917>] __link_path_walk+0x6e0/0xdd4
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e3350>] ext4_unlink+0x3f/0x1fe
> [<ffffffff8028b364>] may_delete+0x5e/0x135
> [<ffffffff8028b9af>] vfs_unlink+0x5e/0xa3
> [<ffffffff8028d985>] do_unlinkat+0xc1/0x142
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8020b26e>] tracesys+0x71/0xda
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> amg D ffff81007e8b3cf8 0 7986 7974
> ffff81002d50bb60 0000000000000086 0000000000000000 0000000000000100
> ffffffff80600cc0 0000000000000000 0000000000000000 ffff81007ed50000
> ffff8101050acde0 ffff81007ed50238 0000000100000000 ffff81007ed50238
> Call Trace:
> [<ffffffff80224f1d>] default_wake_function+0x0/0xe
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8028a28d>] pipe_write+0x4bc/0x4ce
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff8028d0ba>] path_walk+0xaf/0xb9
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> dir_check D ffff81007e8b1690 0 7988 7986
> ffff81002d625d70 0000000000000082 ffff81002d625d38 ffff81007edfcb00
> ffffffff80600cc0 0000000000000101 ffffffff80293dd5 ffff81007ed542c0
> ffff81007ed574d0 ffff81007ed544f8 000000028028c917 ffff81007ed544f8
> Call Trace:
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff8028cee0>] __link_path_walk+0xca9/0xdd4
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028ac53>] lock_rename+0x35/0xc5
> [<ffffffff8028d545>] do_rename+0x98/0x1b2
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> afd_stat D 00000000ffffffff 0 7989 7974
> ffff81002d461b30 0000000000000082 ffff81002d461da8 ffff81002d461da8
> ffffffff80600cc0 ffff81002d461da8 ffffffff802a38d5 ffff81007ed57a60
> ffffffff8054d350 ffff81007ed57c98 000000008023e66b ffff81007ed57c98
> Call Trace:
> [<ffffffff802a38d5>] __find_get_block_slow+0xcf/0xdb
> [<ffffffff80290dfd>] __pollwait+0x0/0xe3
> [<ffffffff802fe4bb>] do_get_write_access+0x3ab/0x3ed
> [<ffffffff80242fdc>] getnstimeofday+0x38/0x92
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80262dda>] pdflush_operation+0x93/0x9d
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff8020ac45>] do_notify_resume+0x81f/0x840
> [<ffffffff802411a8>] hrtimer_start+0x100/0x122
> [<ffffffff802258bb>] hrtick_start_fair+0x139/0x18a
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> init_afd D ffff81007e8b3cf8 0 7997 1
> ffff81027ee41b30 0000000000000086 ffff81027ee41dd0 ffff81027ee41da8
> ffffffff80600cc0 ffff81027ee41db8 0000000000000010 ffff81027ecca160
> ffff8101bbec1640 ffff81027ecca398 0000000000000000 ffff81027ecca398
> Call Trace:
> [<ffffffff80290dfd>] __pollwait+0x0/0xe3
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> transfer_log D 00000000ffffffff 0 8001 7997
> ffff81002d681ad0 0000000000000082 ffffffff8028fce8 ffff81007fb8f4d0
> ffffffff80600cc0 0000000000000100 ffff8101b1362540 ffff81007fb8f4d0
> ffff8101fff33210 ffff81007fb8f708 000000022d681f50 ffff81007fb8f708
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> archive_watch D 00000000ffffffff 0 8003 7997
> ffff81002d49dce0 0000000000000086 ffffffff802de7cd ffff810000000001
> ffffffff80600cc0 ffff810000000001 ffffffff8027ce42 ffff81007fb8ef40
> ffff8101fff32160 ffff81007fb8f178 00000001802d9b7a ffff81007fb8f178
> Call Trace:
> [<ffffffff802de7cd>] ext4_getblk+0xb4/0x170
> [<ffffffff8027ce42>] get_partial_node+0x15/0x78
> [<ffffffff80294b15>] __d_lookup+0xbd/0x107
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8028c917>] __link_path_walk+0x6e0/0xdd4
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e3350>] ext4_unlink+0x3f/0x1fe
> [<ffffffff8028b364>] may_delete+0x5e/0x135
> [<ffffffff8028b9af>] vfs_unlink+0x5e/0xa3
> [<ffffffff8028d985>] do_unlinkat+0xc1/0x142
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8020b26e>] tracesys+0x71/0xda
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> input_log D 00000000ffffffff 0 8004 7997
> ffff81002d419ad0 0000000000000086 ffffffff8028fce8 ffff81007fb8de90
> ffffffff80600cc0 0000000000000100 ffff81027f76aa80 ffff81007fb8de90
> ffff8101fff32160 ffff81007fb8e0c8 000000012d419f50 ffff81007fb8e0c8
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802dc663>] ext4_mark_inode_dirty+0x134/0x147
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> output_log D ffff81007e8b3cf8 0 8005 7997
> ffff81002d4fdad0 0000000000000086 ffffffff8028fce8 ffff81007fbbc2c0
> ffffffff80600cc0 0000000000000100 ffff81017ff649c0 ffff81007fbbc2c0
> ffff81001ce46420 ffff81007fbbc4f8 000000012d4fdf50 ffff81007fbbc4f8
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802dc663>] ext4_mark_inode_dirty+0x134/0x147
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> production_lo D ffff81007e8b3cf8 0 8007 7997
> ffff81002d615ad0 0000000000000082 ffffffff8028fce8 ffff81007d939bd0
> ffffffff80600cc0 0000000000000100 ffff81027f76a3c0 ffff81007d939bd0
> ffff81007ed50590 ffff81007d939e08 000000012d615f50 ffff81007d939e08
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802dc663>] ext4_mark_inode_dirty+0x134/0x147
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8026f499>] mmap_region+0x41a/0x505
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> distribution_ D 00000000ffffffff 0 8008 7997
> ffff81002d53fad0 0000000000000086 ffffffff8028fce8 ffff81007d93ac80
> ffffffff80600cc0 0000000000000100 ffff81007f300600 ffff81007d93ac80
> ffff8101fff33210 ffff81007d93aeb8 000000022d53ff50 ffff81007d93aeb8
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> dir_check D ffff81007e8b1690 0 8011 8009
> ffff8101e1359d70 0000000000000082 ffff8101e1359d38 ffff81007edfcb00
> ffffffff80600cc0 0000000000000101 ffffffff80293dd5 ffff8101bbec10b0
> ffff81007fb8de90 ffff8101bbec12e8 000000018028c917 ffff8101bbec12e8
> Call Trace:
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff8028cee0>] __link_path_walk+0xca9/0xdd4
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028ac53>] lock_rename+0x35/0xc5
> [<ffffffff8028d545>] do_rename+0x98/0x1b2
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> afd_stat D ffff81007e8b3cf8 0 8012 7997
> ffff81002d69bb30 0000000000000082 ffff81002d69bda8 ffff81002d69bda8
> ffffffff80600cc0 ffff81002d69bda8 ffffffff802a38d5 ffff81007d93c2c0
> ffff81027eccd900 ffff81007d93c4f8 000000008023e66b ffff81007d93c4f8
> Call Trace:
> [<ffffffff802a38d5>] __find_get_block_slow+0xcf/0xdb
> [<ffffffff80290dfd>] __pollwait+0x0/0xe3
> [<ffffffff802fe4bb>] do_get_write_access+0x3ab/0x3ed
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80224a97>] __wake_up+0x38/0x4f
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff8020ac45>] do_notify_resume+0x81f/0x840
> [<ffffffff802411a8>] hrtimer_start+0x100/0x122
> [<ffffffff802258bb>] hrtick_start_fair+0x139/0x18a
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> init_afd D 00000000ffffffff 0 8020 1
> ffff8101bbdd5b30 0000000000000086 ffff8101bbdd5dd0 ffff8101bbdd5da8
> ffffffff80600cc0 ffff8101bbdd5db8 0000000000000010 ffff8101bbec1640
> ffffffff8054d350 ffff8101bbec1878 0000000000000000 ffff8101bbec1878
> Call Trace:
> [<ffffffff80290dfd>] __pollwait+0x0/0xe3
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> receive_log D 00000000ffffffff 0 8023 8020
> ffff81027ee1bad0 0000000000000086 ffffffff8028fce8 ffff81027eccc2c0
> ffffffff80600cc0 0000000000000100 ffff81007f300000 ffff81027eccc2c0
> ffff8101fff33210 ffff81027eccc4f8 000000027ee1bf50 ffff81027eccc4f8
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802ec6a2>] __ext4_journal_dirty_metadata+0x1e/0x46
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff8028ad96>] do_lookup+0x63/0x1a1
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> transfer_log D 00000000ffffffff 0 8024 8020
> ffff81027f799ad0 0000000000000086 ffffffff8028fce8 ffff81027eccc850
> ffffffff80600cc0 0000000000000100 ffff81027d7443c0 ffff81027eccc850
> ffffffff8054d350 ffff81027eccca88 000000007f799f50 ffff81027eccca88
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802dc663>] ext4_mark_inode_dirty+0x134/0x147
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> archive_watch D 00000000ffffffff 0 8026 8020
> ffff81027f7ddce0 0000000000000082 ffffffff802de7cd ffff810200000001
> ffffffff80600cc0 ffff810000000001 ffffffff8027ce42 ffff81027ecc90b0
> ffff8101fff33210 ffff81027ecc92e8 00000002802d9b7a ffff81027ecc92e8
> Call Trace:
> [<ffffffff802de7cd>] ext4_getblk+0xb4/0x170
> [<ffffffff8027ce42>] get_partial_node+0x15/0x78
> [<ffffffff80294b15>] __d_lookup+0xbd/0x107
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8028c917>] __link_path_walk+0x6e0/0xdd4
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e3350>] ext4_unlink+0x3f/0x1fe
> [<ffffffff8028b364>] may_delete+0x5e/0x135
> [<ffffffff8028b9af>] vfs_unlink+0x5e/0xa3
> [<ffffffff8028d985>] do_unlinkat+0xc1/0x142
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8020b26e>] tracesys+0x71/0xda
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> input_log D ffff81007e8b3cf8 0 8027 8020
> ffff81027eed1ad0 0000000000000082 ffffffff8028fce8 ffff81027ecca6f0
> ffffffff80600cc0 0000000000000100 ffff81027d744e40 ffff81027ecca6f0
> ffff81007fb8de90 ffff81027ecca928 000000017eed1f50 ffff81027ecca928
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> output_log D ffff81007e8b3cf8 0 8028 8020
> ffff81027d64dad0 0000000000000086 ffffffff8028fce8 ffff81027eccac80
> ffffffff80600cc0 0000000000000100 ffff81010508c840 ffff81027eccac80
> ffff81007ed574d0 ffff81027eccaeb8 000000027d64df50 ffff81027eccaeb8
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> distribution_ D 00000000ffffffff 0 8031 8020
> ffff81027ee1dad0 0000000000000086 ffffffff8028fce8 ffff81027ecc8590
> ffffffff80600cc0 0000000000000100 ffff810105128a80 ffff81027ecc8590
> ffff8101fff33210 ffff81027ecc87c8 000000027ee1df50 ffff81027ecc87c8
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8025c7ae>] generic_file_buffered_write+0x22c/0x658
> [<ffffffff802dc663>] ext4_mark_inode_dirty+0x134/0x147
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80295a76>] touch_atime+0x12/0xfa
> [<ffffffff80224b5b>] __wake_up_sync+0x3a/0x56
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> dir_check D 00000000ffffffff 0 8034 8032
> ffff81027ec01d70 0000000000000082 ffff81027ec01d38 ffff81007edfcb00
> ffffffff80600cc0 0000000000000101 ffffffff80293dd5 ffff81027eccb210
> ffff8101fff33210 ffff81027eccb448 000000028028c917 ffff81027eccb448
> Call Trace:
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff8028cee0>] __link_path_walk+0xca9/0xdd4
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028ac53>] lock_rename+0x35/0xc5
> [<ffffffff8028d545>] do_rename+0x98/0x1b2
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> afd_stat D ffff81007e8b3cf8 0 8035 8020
> ffff81027edebb30 0000000000000082 ffff81027edebda8 ffff81027edebda8
> ffffffff80600cc0 ffff81027edebda8 ffffffff802a38d5 ffff81027eccd900
> ffff81007ed57a60 ffff81027eccdb38 000000008023e66b ffff81027eccdb38
> Call Trace:
> [<ffffffff802a38d5>] __find_get_block_slow+0xcf/0xdb
> [<ffffffff80290dfd>] __pollwait+0x0/0xe3
> [<ffffffff802fe4bb>] do_get_write_access+0x3ab/0x3ed
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80224a97>] __wake_up+0x38/0x4f
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff8020ac45>] do_notify_resume+0x81f/0x840
> [<ffffffff802411a8>] hrtimer_start+0x100/0x122
> [<ffffffff802258bb>] hrtick_start_fair+0x139/0x18a
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> fd D ffff81007e8b3cf8 0 8037 8020
> ffff81027ededb30 0000000000000086 ffff81027ededdd0 ffff81027ededda8
> ffffffff80600cc0 ffff81027ededdb8 00000000000007e0 ffff81027eccde90
> ffff81027ed937a0 ffff81027ecce0c8 0000000200000000 ffff81027ecce0c8
> Call Trace:
> [<ffffffff80290dfd>] __pollwait+0x0/0xe3
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff8022f67f>] release_task+0x2cb/0x2dd
> [<ffffffff80230175>] do_wait+0xae4/0xb88
> [<ffffffff80286e19>] vfs_stat_fd+0x1b/0x4a
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> afd D 00000000ffffffff 0 25970 2891
> ffff81017fae7ad0 0000000000000086 ffffffff8028fce8 0000000000000246
> ffffffff80600cc0 0000000000000100 ffff81020fe5dc00 ffff8101050ab210
> ffff8101fff342c0 ffff8101050ab448 000000037fae7f50 ffff8101050ab448
> Call Trace:
> [<ffffffff8028fce8>] poll_freewait+0x36/0x87
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80268f85>] __do_fault+0x321/0x369
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80237d9a>] group_send_sig_info+0x62/0x6f
> [<ffffffff80237dd8>] kill_pid_info+0x31/0x3b
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b3cf8 0 26537 8037
> ffff8101ff7b1b70 0000000000000086 ffffffff802411a8 000000000000148d
> ffffffff80600cc0 0000000000000286 00000000ffffffff ffff8101bbec26f0
> ffff81027eccb210 ffff8101bbec2928 00000002ffffffff ffff8101bbec2928
> Call Trace:
> [<ffffffff802411a8>] hrtimer_start+0x100/0x122
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff80466148>] thread_return+0x63/0xbb
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e2b08>] ext4_rename+0x4d/0x64a
> [<ffffffff804082ac>] sock_common_recvmsg+0x30/0x45
> [<ffffffff8028bc5c>] vfs_rename+0x1fd/0x376
> [<ffffffff8028d5fe>] do_rename+0x151/0x1b2
> [<ffffffff802921db>] __posix_lock_file+0x43d/0x44e
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b1690 0 26543 8037
> ffff8101ddec3d70 0000000000000086 ffff8101ddec3d38 ffff81007edfcb00
> ffffffff80600cc0 0000000000000101 ffffffff80293dd5 ffff8101bbec3210
> ffff81007ed542c0 ffff8101bbec3448 000000028028c917 ffff8101bbec3448
> Call Trace:
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff804082ac>] sock_common_recvmsg+0x30/0x45
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028ac53>] lock_rename+0x35/0xc5
> [<ffffffff8028d545>] do_rename+0x98/0x1b2
> [<ffffffff802921db>] __posix_lock_file+0x43d/0x44e
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b3cf8 0 26559 8037
> ffff8101b11ddb60 0000000000000086 ffff8101bfc0b4d0 0000000000000202
> ffffffff80600cc0 ffff8101bfc0b4d0 00007f1ea612f000 ffff8101bbec74d0
> ffff81007ed574d0 ffff8101bbec7708 0000000200000000 ffff8101bbec7708
> Call Trace:
> [<ffffffff80224f1d>] default_wake_function+0x0/0xe
> [<ffffffff8042e751>] ip_queue_xmit+0x2a2/0x2f8
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80467779>] error_exit+0x0/0x51
> [<ffffffff8025bae5>] find_lock_page+0x29/0x87
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8028a28d>] pipe_write+0x4bc/0x4ce
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80273714>] free_pages_and_swap_cache+0x70/0x8b
> [<ffffffff8026d535>] unmap_region+0x10f/0x125
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D 00000000ffffffff 0 26569 8013
> ffff8101f40c1b60 0000000000000082 ffff81013b896b00 0000000000000206
> ffffffff80600cc0 ffff81013b896b00 00007f31838c7000 ffff8101bbec6f40
> ffff8101fff32160 ffff8101bbec7178 0000000100000000 ffff8101bbec7178
> Call Trace:
> [<ffffffff80224f1d>] default_wake_function+0x0/0xe
> [<ffffffff8042e751>] ip_queue_xmit+0x2a2/0x2f8
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80467779>] error_exit+0x0/0x51
> [<ffffffff8025bae5>] find_lock_page+0x29/0x87
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8028a28d>] pipe_write+0x4bc/0x4ce
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80273714>] free_pages_and_swap_cache+0x70/0x8b
> [<ffffffff8026d535>] unmap_region+0x10f/0x125
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b3cf8 0 26583 8013
> ffff8101bbf9fb60 0000000000000086 ffff81010c703160 0000000000000202
> ffffffff80600cc0 ffff81010c703160 00007ffac6bd2000 ffff8101bbec6420
> ffff81007d93fa60 ffff8101bbec6658 0000000100000000 ffff8101bbec6658
> Call Trace:
> [<ffffffff80224f1d>] default_wake_function+0x0/0xe
> [<ffffffff80411b14>] dev_queue_xmit+0x21a/0x232
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80467779>] error_exit+0x0/0x51
> [<ffffffff8025bae5>] find_lock_page+0x29/0x87
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8028a28d>] pipe_write+0x4bc/0x4ce
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80273714>] free_pages_and_swap_cache+0x70/0x8b
> [<ffffffff8026d535>] unmap_region+0x10f/0x125
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> vsftpd D ffff810208bf59f8 0 26589 26567
> ffff810208bf59d8 0000000000000082 ffff810163233090 ffffffff802e9b05
> ffffffff80600cc0 ffffffff00058011 ffff810208bf5af8 ffff81027ecce420
> ffff81001ce40000 ffff81027ecce658 0000000208bf5b58 ffff81027ecce658
> Call Trace:
> [<ffffffff802e9b05>] ext4_ext_find_extent+0x67/0x26f
> [<ffffffff80224a97>] __wake_up+0x38/0x4f
> [<ffffffff803023b0>] jbd2_log_wait_commit+0xb6/0x108
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80300c3c>] jbd2_log_do_checkpoint+0x12d/0x3bd
> [<ffffffff802a38d5>] __find_get_block_slow+0xcf/0xdb
> [<ffffffff802a3c4d>] __find_get_block+0x14c/0x15c
> [<ffffffff802a3c7b>] __getblk+0x1e/0x28d
> [<ffffffff802de7cd>] ext4_getblk+0xb4/0x170
> [<ffffffff802e6fb3>] ext4fs_dirhash+0x10d/0x1d2
> [<ffffffff802e04cf>] dx_probe+0xa1/0x29e
> [<ffffffff802e1b3a>] ext4_find_entry+0x293/0x592
> [<ffffffff80300f53>] __jbd2_log_wait_for_space+0x87/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8029535a>] d_alloc+0x1f/0x189
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e24bd>] ext4_create+0x4c/0x105
> [<ffffffff802e27c3>] ext4_lookup+0x97/0xc1
> [<ffffffff8028b805>] vfs_create+0x7d/0xed
> [<ffffffff8028e3ac>] do_filp_open+0x1ed/0x832
> [<ffffffff8028290c>] do_sys_open+0x46/0xc3
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> vsftpd D ffff81007e8b3cf8 0 26595 26584
> ffff8101b1307ad0 0000000000000086 ffffffff8042530e ffff81014256f5d0
> ffffffff80600cc0 ffff81017fa8fa00 ffffffff80242fdc ffff8101ff6d8b20
> ffff81001ce46420 ffff8101ff6d8d58 000000018024153d ffff8101ff6d8d58
> Call Trace:
> [<ffffffff8042530e>] nf_iterate+0x41/0x7d
> [<ffffffff80242fdc>] getnstimeofday+0x38/0x92
> [<ffffffff8039d0b6>] loopback_xmit+0x80/0x86
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> vsftpd D ffff81007e8b3cf8 0 26602 26590
> ffff81025dcf1c60 0000000000000082 ffffffff802e6fb3 0000000000000020
> ffffffff80600cc0 ffff81014256f090 00000000000300aa ffff81027ed942c0
> ffff81007d93e420 ffff81027ed944f8 000000017ae2b000 ffff81027ed944f8
> Call Trace:
> [<ffffffff802e6fb3>] ext4fs_dirhash+0x10d/0x1d2
> [<ffffffff802e04cf>] dx_probe+0xa1/0x29e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e24bd>] ext4_create+0x4c/0x105
> [<ffffffff802e27c3>] ext4_lookup+0x97/0xc1
> [<ffffffff8028b805>] vfs_create+0x7d/0xed
> [<ffffffff8028e3ac>] do_filp_open+0x1ed/0x832
> [<ffffffff8028290c>] do_sys_open+0x46/0xc3
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D 00000000ffffffff 0 26605 8013
> ffff81001cdc9b60 0000000000000086 ffff8101bfc0b4d0 0000000000000216
> ffffffff80600cc0 ffff8101bfc0b4d0 00007f628a734000 ffff81001ce43d30
> ffff8101fff33210 ffff81001ce43f68 0000000200000000 ffff81001ce43f68
> Call Trace:
> [<ffffffff80224f1d>] default_wake_function+0x0/0xe
> [<ffffffff8042e751>] ip_queue_xmit+0x2a2/0x2f8
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80467779>] error_exit+0x0/0x51
> [<ffffffff8025bae5>] find_lock_page+0x29/0x87
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8028a28d>] pipe_write+0x4bc/0x4ce
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80273714>] free_pages_and_swap_cache+0x70/0x8b
> [<ffffffff8026d535>] unmap_region+0x10f/0x125
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b1690 0 26608 8013
> ffff81003eb4fd70 0000000000000082 ffff81003eb4fd38 ffff81007edfcb00
> ffffffff80600cc0 0000000000000101 ffffffff80293dd5 ffff81001ce43210
> ffff81001ce410b0 ffff81001ce43448 000000018028c917 ffff81001ce43448
> Call Trace:
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff804082ac>] sock_common_recvmsg+0x30/0x45
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028ac53>] lock_rename+0x35/0xc5
> [<ffffffff8028d545>] do_rename+0x98/0x1b2
> [<ffffffff802921db>] __posix_lock_file+0x43d/0x44e
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b1690 0 26609 8013
> ffff81003eb63d70 0000000000000082 ffff81003eb63d38 ffff81007edfcb00
> ffffffff80600cc0 0000000000000101 ffffffff80293dd5 ffff81001ce442c0
> ffff81017faea160 ffff81001ce444f8 000000008028c917 ffff81001ce444f8
> Call Trace:
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff804082ac>] sock_common_recvmsg+0x30/0x45
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028ac53>] lock_rename+0x35/0xc5
> [<ffffffff8028d545>] do_rename+0x98/0x1b2
> [<ffffffff802921db>] __posix_lock_file+0x43d/0x44e
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b1690 0 26610 8013
> ffff81003e98dd70 0000000000000082 ffff81003e98dd38 ffff81007edfcb00
> ffffffff80600cc0 0000000000000101 ffffffff80293dd5 ffff81001ce42c80
> ffff81017fae8590 ffff81001ce42eb8 000000028028c917 ffff81001ce42eb8
> Call Trace:
> [<ffffffff80293dd5>] dput+0x21/0x10a
> [<ffffffff804082ac>] sock_common_recvmsg+0x30/0x45
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028ac53>] lock_rename+0x35/0xc5
> [<ffffffff8028d545>] do_rename+0x98/0x1b2
> [<ffffffff802921db>] __posix_lock_file+0x43d/0x44e
> [<ffffffff8027ce42>] get_partial_node+0x15/0x78
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D 00000000ffffffff 0 26611 8013
> ffff81001ced3b60 0000000000000082 ffff81002d7fa0d0 ffff81002d7fa0d0
> ffffffff80600cc0 00000000486202ae 0000000210e7c865 ffff81001ce41640
> ffffffff8054d350 ffff81001ce41878 0000000000000003 ffff81001ce41878
> Call Trace:
> [<ffffffff80411b14>] dev_queue_xmit+0x21a/0x232
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8028a28d>] pipe_write+0x4bc/0x4ce
> [<ffffffff8028d0ba>] path_walk+0xaf/0xb9
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff80282afc>] __dentry_open+0x141/0x226
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D 00000000ffffffff 0 26613 8013
> ffff8101e1321b30 0000000000000082 0000000000000296 00000000662df001
> ffffffff80600cc0 ffff8101d40c9e90 ffffffff80242fdc ffff8101ff6dc850
> ffff8101fff33210 ffff8101ff6dca88 000000028024153d ffff8101ff6dca88
> Call Trace:
> [<ffffffff80242fdc>] getnstimeofday+0x38/0x92
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffffa0070d34>] :nf_conntrack:nf_ct_deliver_cached_events+0x4d/0x7d
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff80269428>] do_wp_page+0x45b/0x4ba
> [<ffffffff8026aaed>] handle_mm_fault+0x62d/0x6a3
> [<ffffffff8021ed0c>] do_page_fault+0x435/0x825
> [<ffffffff80286f41>] cp_new_stat+0xe9/0xfc
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff80467779>] error_exit+0x0/0x51
>
> vsftpd D ffff81007e8b3cf8 0 26614 26606
> ffff8100588b1c90 0000000000000086 ffffffff802411a8 000000000000148d
> ffffffff80600cc0 0000000000000286 00000000ffffffff ffff81001ce40000
> ffff8101ff6dd900 ffff81001ce40238 00000002ffffffff ffff81001ce40238
> Call Trace:
> [<ffffffff802411a8>] hrtimer_start+0x100/0x122
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff80466148>] thread_return+0x63/0xbb
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80296e64>] inode_setattr+0x103/0x10a
> [<ffffffff802dc9b0>] ext4_setattr+0x1eb/0x244
> [<ffffffff80296fbb>] notify_change+0x150/0x26d
> [<ffffffff80283568>] do_truncate+0x5e/0x79
> [<ffffffff80256c42>] audit_syscall_entry+0x11f/0x152
> [<ffffffff80283664>] sys_ftruncate+0xe1/0xfd
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> bzip2 D 00000000ffffffff 0 26616 26615
> ffff8102043d9ad0 0000000000000082 ffffffff80278233 ffff810256ebc660
> ffffffff80600cc0 00007f5eba717000 0000000000000002 ffff81027ed91640
> ffff8101fff342c0 ffff81027ed91878 000000038026a789 ffff81027ed91878
> Call Trace:
> [<ffffffff80278233>] alloc_page_vma+0x154/0x221
> [<ffffffff802a3c7b>] __getblk+0x1e/0x28d
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80260c63>] rmqueue_bulk+0x42/0x8a
> [<ffffffff80266f91>] zone_statistics+0x3c/0x90
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80268f85>] __do_fault+0x321/0x369
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff8022a745>] hrtick_set+0xa1/0x10a
> [<ffffffff80466148>] thread_return+0x63/0xbb
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> sf_ftp D ffff81007e8b3cf8 0 26621 8037
> ffff8101b1103b60 0000000000000082 ffff81013b896b00 0000000000000206
> ffffffff80600cc0 ffff81013b896b00 00007f4f1e28e000 ffff8101ff6df4d0
> ffff8101bbec6f40 ffff8101ff6df708 0000000100000000 ffff8101ff6df708
> Call Trace:
> [<ffffffff80224f1d>] default_wake_function+0x0/0xe
> [<ffffffff8042e751>] ip_queue_xmit+0x2a2/0x2f8
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80467779>] error_exit+0x0/0x51
> [<ffffffff8025bae5>] find_lock_page+0x29/0x87
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8028a28d>] pipe_write+0x4bc/0x4ce
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff80273714>] free_pages_and_swap_cache+0x70/0x8b
> [<ffffffff8026d535>] unmap_region+0x10f/0x125
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> vsftpd D ffff81007e8b3cf8 0 26625 26617
> ffff810039cf9b70 0000000000000082 ffff810270718a80 ffff81022646e2a0
> ffffffff80600cc0 ffff810039cf9d44 0000000000000000 ffff81001ce469b0
> ffff81001ce41640 ffff81001ce46be8 00000000802a3c7b ffff81001ce46be8
> Call Trace:
> [<ffffffff802de7cd>] ext4_getblk+0xb4/0x170
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80294b15>] __d_lookup+0xbd/0x107
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e2b08>] ext4_rename+0x4d/0x64a
> [<ffffffff804082ac>] sock_common_recvmsg+0x30/0x45
> [<ffffffff8028bc5c>] vfs_rename+0x1fd/0x376
> [<ffffffff8028d5fe>] do_rename+0x151/0x1b2
> [<ffffffff802614c3>] __alloc_pages_internal+0xd2/0x40c
> [<ffffffff80256944>] audit_syscall_exit+0x2ee/0x30c
> [<ffffffff8028d6ab>] sys_renameat+0x4c/0x6b
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> vsftpd D 00000000ffffffff 0 26632 26626
> ffff8101dddc3c60 0000000000000082 ffffffff802e6fb3 0000000000000020
> ffffffff80600cc0 ffff8101d40c8610 0000000000031014 ffff8101ff6dd900
> ffff8101fff33210 ffff8101ff6ddb38 000000021d4e6000 ffff8101ff6ddb38
> Call Trace:
> [<ffffffff802e6fb3>] ext4fs_dirhash+0x10d/0x1d2
> [<ffffffff802e04cf>] dx_probe+0xa1/0x29e
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff8029925e>] mntput_no_expire+0x27/0x11e
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802e24bd>] ext4_create+0x4c/0x105
> [<ffffffff802e27c3>] ext4_lookup+0x97/0xc1
> [<ffffffff8028b805>] vfs_create+0x7d/0xed
> [<ffffffff8028e3ac>] do_filp_open+0x1ed/0x832
> [<ffffffff8028290c>] do_sys_open+0x46/0xc3
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> vsftpd D 00000000ffffffff 0 26635 26633
> ffff8100066c9dd0 0000000000000086 ffffffff804082ac ffff8100066c9d34
> ffffffff80600cc0 0000000e9aa3566f ffff81007edfcbc8 ffff81007d93e420
> ffff8101fff32160 ffff81007d93e658 0000000100000000 ffff81007d93e658
> Call Trace:
> [<ffffffff804082ac>] sock_common_recvmsg+0x30/0x45
> [<ffffffff8028d0ba>] path_walk+0xaf/0xb9
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff8028e2cb>] do_filp_open+0x10c/0x832
> [<ffffffff80282837>] get_unused_fd_flags+0x7f/0x10e
> [<ffffffff8028290c>] do_sys_open+0x46/0xc3
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> bzip2 D 00000000ffffffff 0 26638 26637
> ffff8101427cdad0 0000000000000082 ffffffff80278233 ffff8101f6fa70c0
> ffffffff80600cc0 00007f0c65f4e000 0000000000000002 ffff81017faec850
> ffffffff8054d350 ffff81017faeca88 000000008026a789 ffff81017faeca88
> Call Trace:
> [<ffffffff80278233>] alloc_page_vma+0x154/0x221
> [<ffffffff802a3c7b>] __getblk+0x1e/0x28d
> [<ffffffff804666c5>] __mutex_lock_slowpath+0x6a/0xa0
> [<ffffffff80466561>] mutex_lock+0xa/0xb
> [<ffffffff80300f1e>] __jbd2_log_wait_for_space+0x52/0xac
> [<ffffffff802feac7>] start_this_handle+0x2eb/0x370
> [<ffffffff80260c63>] rmqueue_bulk+0x42/0x8a
> [<ffffffff802fecae>] jbd2_journal_start+0x9a/0xce
> [<ffffffff802dc772>] ext4_dirty_inode+0x28/0x7b
> [<ffffffff802a00fe>] __mark_inode_dirty+0x29/0x187
> [<ffffffff80295a1f>] file_update_time+0xaf/0xf4
> [<ffffffff8025d031>] __generic_file_aio_write_nolock+0x265/0x37e
> [<ffffffff80268f85>] __do_fault+0x321/0x369
> [<ffffffff8025d815>] generic_file_aio_write+0x64/0xc4
> [<ffffffff802d9d8c>] ext4_file_write+0x96/0x11a
> [<ffffffff80283eb3>] do_sync_write+0xce/0x113
> [<ffffffff8021ed48>] do_page_fault+0x471/0x825
> [<ffffffff8023e74a>] autoremove_wake_function+0x0/0x2e
> [<ffffffff8022a72f>] hrtick_set+0x8b/0x10a
> [<ffffffff80466148>] thread_return+0x63/0xbb
> [<ffffffff802846d8>] vfs_write+0xad/0x136
> [<ffffffff8028481d>] sys_write+0x45/0x6e
> [<ffffffff8020b2d2>] tracesys+0xd5/0xda
>
> I used ext4-patch-queue-b5db22ef52ed53d8e3fa978a5a29e1609c9333aa.tar.gz and
> a clean linux-2.6.26-rc6 with no other patches.
>
> Holger
>
> --
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