Hallo, Yan,,
Du meintest am 26.01.11:
> Mark the cloned backref_node as checked in clone_backref_node()
> Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
> -+-
> diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
> index 045c9c2..bef9c22 100644
> -+- a/fs/btrfs/relocation.c
> +++ b/fs/btrfs/relocation.c
> @@ -1157,6 +1157,7 @@ static int clone_backref_node(struct
> btrfs_trans_handle *trans, new_node->bytenr = dest->node->start;
> new_node->level = node->level;
> new_node->lowest = node->lowest;
> + new_node->checked = 1;
> new_node->root = dest;
> if (!node->lowest) {
> --
Sorry - didn't solve my problem:
-------------- last lines from "dmesg" ---------------
bio too big device sdc (256 > 240)
bio too big device sdc (256 > 240)
[...] more than 800 such lines
bio too big device sdc (256 > 240)
bio too big device sdc (256 > 240)
bio too big device sdc (256 > 240)
------------[ cut here ]------------
kernel BUG at fs/btrfs/volumes.c:2097!
invalid opcode: 0000 [#1]
last sysfs file: /sys/devices/pci0000:00/0000:00:07.1/host1/target1:0:0/1:0:0:0/block/sdb/dev
Modules linked in: sg nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat xt_DSCP xt_multiport xt_recent nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_tcpudp ipt_REJECT iptable_filter iptable_mangle ip_tables xt_iprange x_tables nfsd exportfs 8139too 8139cp savagefb fb_ddc i2c_algo_bit vgastate i2c_piix4 piix e100 mii intel_agp intel_gtt agpgart cmd64x video thermal_sys ac battery yenta_socket pcmcia_rsrc pcmcia pcmcia_core thinkpad_acpi hwmon rfkill nvram fuse
Pid: 5991, comm: btrfs Not tainted 2.6.38-rc2-OD1 #2 26478EG/26478EG
EIP: 0060:[<c1235264>] EFLAGS: 00010282 CPU: 0
EIP is at btrfs_balance+0x2d4/0x2e0
EAX: fffffffb EBX: cfa58000 ECX: d7ce6c18 EDX: d7ce6818
ESI: d0574000 EDI: cf958400 EBP: cc4e3e9c ESP: cc4e3e38
DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
Process btrfs (pid: 5991, ti=cc4e2000 task=cce6c3c0 task.ti=cc4e2000)
Stack:
99cc0000 00000001 000000e4 00100000 00000000 00000100 ccdcc000 cce8d058
aea58000 00000001 00000000 99cc0000 00000001 0100b790 00000000 00e40000
0199cc00 00000000 00000001 e4000000 ffffffff ffffffff ccc85380 ffffffea
Call Trace:
[<c123bcf1>] btrfs_ioctl+0x2e1/0x9d0
[<c123ba10>] ? btrfs_ioctl+0x0/0x9d0
[<c10c3f65>] do_vfs_ioctl+0x85/0x590
[<c10206db>] ? do_page_fault+0x17b/0x380
[<c10b554b>] ? do_sys_open+0xdb/0x110
[<c10c44f7>] sys_ioctl+0x87/0x90
[<c1753d0c>] syscall_call+0x7/0xb
Code: 1b ff ff ff 89 f0 e8 cc 75 fb ff 8b 55 b4 8b 82 10 01 00 00 05 74 19 00 00 e8 09 dc 51 00 e9 70 fd ff ff 31 db eb dd 85 c0 74 9d <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 66 90 55 89 e5 56 53 83 ec 34 3e
EIP: [<c1235264>] btrfs_balance+0x2d4/0x2e0 SS:ESP 0068:cc4e3e38
---[ end trace ebf8fd68179e0b7a ]---
# ---------------- end "dmesg" ----------------------
Viele Gruesse!
Helmut
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