In integration-scrub branch, following warning messages were displayed by running xfstests.
# btrfs fi sh /dev/sdd4 Label: none uuid: 8f28d85c-e37c-4c1b-adef-2627ca59be78 Total devices 2 FS bytes used 31.49MB devid 1 size 9.31GB used 9.31GB path /dev/sdd4 devid 2 size 15.01GB used 9.29GB path /dev/sdc1 Btrfs Btrfs v0.19 # mount ... /dev/sdd4 on /test7 type btrfs (rw,compress=lzo) # Thanks, Tsutomu ==================================================================================== Nov 3 09:55:18 luna kernel: [ 939.732044] device fsid 8f28d85c-e37c-4c1b-adef-2627ca59be78 devid 1 transid 20510 /dev/sdd4 Nov 3 09:55:18 luna kernel: [ 939.732533] btrfs: use lzo compression Nov 3 09:55:18 luna kernel: [ 939.732536] btrfs: disk space caching is enabled Nov 3 09:55:18 luna kernel: [ 939.898190] ------------[ cut here ]------------ Nov 3 09:55:18 luna kernel: [ 939.898223] WARNING: at fs/btrfs/free-space-cache.c:305 io_ctl_map_page+0x29/0x76 [btrfs]() Nov 3 09:55:18 luna kernel: [ 939.898227] Hardware name: PRIMERGY Nov 3 09:55:18 luna kernel: [ 939.898229] Modules linked in: btrfs zlib_deflate crc32c libcrc32c nfsd lockd nfs_acl auth_rpcgss autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf cachefiles fscache ipv6 ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif megaraid_sas sr_mod cdrom floppy pata_acpi ata_generic ata_piix libata scsi_mod [last unloaded: microcode] Nov 3 09:55:18 luna kernel: [ 939.898291] Pid: 13337, comm: dd Not tainted 3.1.0integ-sc+ #1 Nov 3 09:55:18 luna kernel: [ 939.898294] Call Trace: Nov 3 09:55:18 luna kernel: [ 939.898303] [<ffffffff8104b6fe>] warn_slowpath_common+0x85/0x9d Nov 3 09:55:18 luna kernel: [ 939.898308] [<ffffffff8104b730>] warn_slowpath_null+0x1a/0x1c Nov 3 09:55:18 luna kernel: [ 939.898328] [<ffffffffa0477507>] io_ctl_map_page+0x29/0x76 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898349] [<ffffffffa0477733>] io_ctl_check_crc+0x62/0xdd [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898369] [<ffffffffa0476051>] ? tree_insert_offset+0xa7/0xb2 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898389] [<ffffffffa047917f>] __load_free_space_cache+0x457/0x509 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898410] [<ffffffffa04793ca>] load_free_space_cache+0xca/0x168 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898427] [<ffffffffa043cd12>] cache_block_group+0xa3/0x1f2 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898443] [<ffffffffa043ec3d>] find_free_extent+0x478/0xa58 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898448] [<ffffffff81014e61>] ? sched_clock+0x9/0xd Nov 3 09:55:18 luna kernel: [ 939.898454] [<ffffffff8106c28d>] ? sched_clock_local+0x1c/0x82 Nov 3 09:55:18 luna kernel: [ 939.898471] [<ffffffffa043f2d2>] btrfs_reserve_extent+0xb5/0x1c4 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898487] [<ffffffffa043f561>] btrfs_alloc_free_block+0x180/0x2a7 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898493] [<ffffffff813a7e1d>] ? __wait_on_bit+0x69/0x7b Nov 3 09:55:18 luna kernel: [ 939.898507] [<ffffffffa0431446>] __btrfs_cow_block+0x121/0x3f3 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898522] [<ffffffffa0431c1b>] btrfs_cow_block+0x120/0x166 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898536] [<ffffffffa04339ee>] btrfs_search_slot+0x2ea/0x743 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898552] [<ffffffffa0437bae>] ? reserve_metadata_bytes+0xb8/0x599 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898557] [<ffffffff810d3b02>] ? filemap_fdatawait_range+0x120/0x16b Nov 3 09:55:18 luna kernel: [ 939.898572] [<ffffffffa0434a2d>] btrfs_insert_empty_items+0x6a/0xbc [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898577] [<ffffffff8110b3c9>] ? kmem_cache_alloc+0x31/0xec Nov 3 09:55:18 luna kernel: [ 939.898598] [<ffffffffa0470a40>] btrfs_insert_orphan_item+0x5d/0x75 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898619] [<ffffffffa0452474>] btrfs_orphan_add+0x107/0x124 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898640] [<ffffffffa0453c6d>] btrfs_truncate+0x35d/0x51c [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898661] [<ffffffffa0453eb6>] btrfs_setsize+0x8a/0x99 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898682] [<ffffffffa0453f26>] btrfs_setattr+0x61/0xa1 [btrfs] Nov 3 09:55:18 luna kernel: [ 939.898687] [<ffffffff8112efdb>] notify_change+0x197/0x279 Nov 3 09:55:18 luna kernel: [ 939.898692] [<ffffffff81119646>] do_truncate+0x6a/0x87 Nov 3 09:55:18 luna kernel: [ 939.898697] [<ffffffff8112527c>] do_last+0x575/0x57a Nov 3 09:55:18 luna kernel: [ 939.898702] [<ffffffff8112399e>] ? path_init+0xd1/0x2bc Nov 3 09:55:18 luna kernel: [ 939.898706] [<ffffffff81125809>] path_openat+0xcf/0x313 Nov 3 09:55:18 luna kernel: [ 939.898710] [<ffffffff81125b46>] do_filp_open+0x3d/0x89 Nov 3 09:55:18 luna kernel: [ 939.898716] [<ffffffff811d105e>] ? strncpy_from_user+0x48/0x76 Nov 3 09:55:18 luna kernel: [ 939.898721] [<ffffffff8112fc9b>] ? alloc_fd+0x7b/0x123 Nov 3 09:55:18 luna kernel: [ 939.898725] [<ffffffff8111877f>] do_sys_open+0x73/0x105 Nov 3 09:55:18 luna kernel: [ 939.898729] [<ffffffff81118844>] sys_open+0x20/0x22 Nov 3 09:55:18 luna kernel: [ 939.898734] [<ffffffff813afac2>] system_call_fastpath+0x16/0x1b Nov 3 09:55:18 luna kernel: [ 939.898738] ---[ end trace d460dfa0e8887bca ]--- Nov 3 09:55:18 luna kernel: [ 939.898758] btrfs: csum mismatch on free space cache Nov 3 09:55:18 luna kernel: [ 939.898814] btrfs: failed to load free space cache for block group 29360128 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html