On 2013/04/03 10:19, Tsutomu Itoh wrote:
> Hi,
>
> When inode_cache was specified for the mount option, I encountered the
> following messages at umount.
>
> Step to reproduce:
>
> mkfs.btrfs -f /dev/sdc4
> mount -o compress=lzo,autodefrag,inode_cache /dev/sdc4 /test1
> dd if=/dev/zero of=/test1/file1 bs=1M count=8192
> dd if=/test1/file1 of=/dev/null bs=1M
> rm -f /test1/file1
> umount /test1
The size of my test partition is about 20GB.
# df -T /test1
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/sdc4 btrfs 19530752 56 17404928 1% /test1
# btrfs fi sh /dev/sdc4
Label: none uuid: d4937df0-618d-4854-8fac-5b5c9aa3c84f
Total devices 1 FS bytes used 28.00KB
devid 1 size 18.63GB used 2.04GB path /dev/sdc4
Btrfs v0.20-rc1-253-g7854c8b
# btrfs fi df /test1
Data: total=8.00MB, used=0.00
System, DUP: total=8.00MB, used=4.00KB
System: total=4.00MB, used=0.00
Metadata, DUP: total=1.00GB, used=24.00KB
Metadata: total=8.00MB, used=0.00
- Tsutomu
>
> Thanks,
> Tsutomu
>
> ==========================================================================================
>
> Apr 3 09:42:29 luna kernel: [ 511.911342] btrfs: use lzo compression
> Apr 3 09:42:29 luna kernel: [ 511.911348] btrfs: enabling auto defrag
> Apr 3 09:42:29 luna kernel: [ 511.911352] btrfs: enabling inode map caching
> Apr 3 09:42:29 luna kernel: [ 511.911353] btrfs: disk space caching is enabled
> Apr 3 09:43:12 luna kernel: [ 554.638768] ------------[ cut here ]------------
> Apr 3 09:43:12 luna kernel: [ 554.638815] WARNING: at fs/btrfs/super.c:255 __btrfs_abort_transaction+0x55/0xdc [btrfs]()
> Apr 3 09:43:12 luna kernel: [ 554.638818] Hardware name: PRIMERGY
> Apr 3 09:43:12 luna kernel: [ 554.638822] Modules linked in: btrfs(O) raid6_pq zlib_deflate xor crc32c libcrc32c ebtable_nat ebtables bnx2i cnic uio xt_CHECKSUM cxgb4i iptable_mangle cxgb4 cxgb3i cxgb3 mdio libcxgbi bridge stp llc iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd auth_rpcgss acpi_cpufreq mperf vhost_net freq_table coretemp tun nfs_acl lockd kvm dm_mirror dm_region_hash iTCO_wdt dm_log dm_mod iTCO_vendor_support tg3 shpchp sunrpc lpc_ich mfd_core ptp pci_hotplug i3000_edac edac_core pps_core microcode i2c_i801 pcspkr i2c_core uinput ipv6 autofs4 ext4 crc16 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif ata_piix libata megaraid_sas scsi_mod
> Apr 3 09:43:12 luna kernel: [ 554.638898] Pid: 1749, comm: btrfs-transacti Tainted: G O 3.9.0-rc5 #1
> Apr 3 09:43:12 luna kernel: [ 554.638900] Call Trace:
> Apr 3 09:43:12 luna kernel: [ 554.638909] [<ffffffff8103e52f>] warn_slowpath_common+0x83/0x9e
> Apr 3 09:43:12 luna kernel: [ 554.638914] [<ffffffff8103e5ed>] warn_slowpath_fmt+0x46/0x48
> Apr 3 09:43:12 luna kernel: [ 554.638931] [<ffffffffa040db62>] __btrfs_abort_transaction+0x55/0xdc [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.638960] [<ffffffffa04601e4>] ? btrfs_truncate_free_space_cache+0x6c/0x122 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.638981] [<ffffffffa0426513>] btrfs_save_ino_cache+0x190/0x2f9 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.639003] [<ffffffffa042cc6c>] commit_fs_roots.isra.27+0xa6/0x14e [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.639026] [<ffffffff81064690>] ? should_resched+0x9/0x28
> Apr 3 09:43:12 luna kernel: [ 554.639045] [<ffffffff813dc287>] ? _cond_resched+0xe/0x22
> Apr 3 09:43:12 luna kernel: [ 554.639079] [<ffffffffa042e434>] btrfs_commit_transaction+0x471/0x898 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.639084] [<ffffffff8105a8d2>] ? bit_waitqueue+0x7a/0x7a
> Apr 3 09:43:12 luna kernel: [ 554.639106] [<ffffffffa0427820>] transaction_kthread+0xef/0x190 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.639127] [<ffffffffa0427731>] ? try_to_freeze+0x32/0x32 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.639130] [<ffffffff8105a2b9>] kthread+0x8d/0x95
> Apr 3 09:43:12 luna kernel: [ 554.639134] [<ffffffff8105a22c>] ? __kthread_parkme+0x65/0x65
> Apr 3 09:43:12 luna kernel: [ 554.639138] [<ffffffff813e3f2c>] ret_from_fork+0x7c/0xb0
> Apr 3 09:43:12 luna kernel: [ 554.639142] [<ffffffff8105a22c>] ? __kthread_parkme+0x65/0x65
> Apr 3 09:43:12 luna kernel: [ 554.639145] ---[ end trace ab791b60ae901bf9 ]---
> Apr 3 09:43:12 luna kernel: [ 554.639149] BTRFS error (device sdc4) in btrfs_save_ino_cache:471: error 28
> Apr 3 09:43:12 luna kernel: [ 554.639153] btrfs is forced readonly
> Apr 3 09:43:12 luna kernel: [ 554.640329] BTRFS warning (device sdc4): Skipping commit of aborted transaction.
> Apr 3 09:43:12 luna kernel: [ 554.640335] BTRFS error (device sdc4) in cleanup_transaction:1455: error 28
> Apr 3 09:43:12 luna kernel: [ 554.832554] ------------[ cut here ]------------
> Apr 3 09:43:12 luna kernel: [ 554.832587] WARNING: at fs/btrfs/extent-tree.c:130 btrfs_put_block_group+0x4e/0x66 [btrfs]()
> Apr 3 09:43:12 luna kernel: [ 554.832590] Hardware name: PRIMERGY
> Apr 3 09:43:12 luna kernel: [ 554.832592] Modules linked in: btrfs(O) raid6_pq zlib_deflate xor crc32c libcrc32c ebtable_nat ebtables bnx2i cnic uio xt_CHECKSUM cxgb4i iptable_mangle cxgb4 cxgb3i cxgb3 mdio libcxgbi bridge stp llc iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd auth_rpcgss acpi_cpufreq mperf vhost_net freq_table coretemp tun nfs_acl lockd kvm dm_mirror dm_region_hash iTCO_wdt dm_log dm_mod iTCO_vendor_support tg3 shpchp sunrpc lpc_ich mfd_core ptp pci_hotplug i3000_edac edac_core pps_core microcode i2c_i801 pcspkr i2c_core uinput ipv6 autofs4 ext4 crc16 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif ata_piix libata megaraid_sas scsi_mod
> Apr 3 09:43:12 luna kernel: [ 554.832663] Pid: 1787, comm: umount Tainted: G W O 3.9.0-rc5 #1
> Apr 3 09:43:12 luna kernel: [ 554.832665] Call Trace:
> Apr 3 09:43:12 luna kernel: [ 554.832674] [<ffffffff8103e52f>] warn_slowpath_common+0x83/0x9e
> Apr 3 09:43:12 luna kernel: [ 554.832679] [<ffffffff8103e564>] warn_slowpath_null+0x1a/0x1c
> Apr 3 09:43:12 luna kernel: [ 554.832697] [<ffffffffa0419c0f>] btrfs_put_block_group+0x4e/0x66 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.832717] [<ffffffffa0420182>] btrfs_free_block_groups+0xec/0x286 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.832740] [<ffffffffa042ae0d>] close_ctree+0x200/0x32f [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.832745] [<ffffffff81133f91>] ? evict_inodes+0xe0/0xef
> Apr 3 09:43:12 luna kernel: [ 554.832761] [<ffffffffa040abec>] btrfs_put_super+0x19/0x1b [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.832766] [<ffffffff81121106>] generic_shutdown_super+0x57/0xd3
> Apr 3 09:43:12 luna kernel: [ 554.832770] [<ffffffff8112124c>] kill_anon_super+0x14/0x20
> Apr 3 09:43:12 luna kernel: [ 554.832785] [<ffffffffa040aa2b>] btrfs_kill_super+0x17/0x23 [btrfs]
> Apr 3 09:43:12 luna kernel: [ 554.832789] [<ffffffff81121639>] deactivate_locked_super+0x26/0x52
> Apr 3 09:43:12 luna kernel: [ 554.832793] [<ffffffff8112186e>] deactivate_super+0x38/0x3d
> Apr 3 09:43:12 luna kernel: [ 554.832798] [<ffffffff8113710d>] mntput_no_expire+0x11e/0x126
> Apr 3 09:43:12 luna kernel: [ 554.832802] [<ffffffff81137f0d>] sys_umount+0x2fa/0x31b
> Apr 3 09:43:12 luna kernel: [ 554.832806] [<ffffffff813e3fd9>] system_call_fastpath+0x16/0x1b
> Apr 3 09:43:12 luna kernel: [ 554.832809] ---[ end trace ab791b60ae901bfa ]---
>
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