Nikolai Joukov wrote:
> We started the project in April 2004. Right now I am using it as my
> /home/kolya file system at home. We believe that at this stage RAIF is
> mature enough for others to try it out. The code is available at:
>
> <ftp://ftp.fsl.cs.sunysb.edu/pub/raif/>
>
> The code requires no kernel patches and compiles for a wide range of
> kernels as a module. The latest kernel we used it for is 2.6.13 and we
> are in the process of porting it to 2.6.19.
>
> We will be happy to hear your back.
When removing a file from the underlying branch, the oops below happens.
Wouldn't it be possible to just fail the branch instead of oopsing?
Thanks!
--
Al
====================
Registering raif version $Id: main.c,v 1.51 2006/12/13 17:00:21 kolya Exp $
dtohd_index(dentry, bindex)->d_inode NULL for [x, 0x3]
ASSERTION FAILED dtohd_index(dentry, bindex)->d_inode (null) at
/tmp/sw/raif/main.c:54 (raif_interpose_debug) called by
/tmp/sw/raif/inode.c:162 (raif_lookup_backend)
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
df9fd2a2
*pde = 00000000
Oops: 0002 [#1]
Modules linked in: raif
CPU: 0
EIP: 0060:[<df9fd2a2>] Not tainted VLI
EFLAGS: 00010286 (2.6.13)
EIP is at raif_interpose_debug+0x6ba/0x738 [raif]
eax: 000000ad ebx: dfa01a29 ecx: ddb13d94 edx: dfa02980
esi: 000000a2 edi: 00000001 ebp: 00000002 esp: ddb13db4
ds: 007b es: 007b ss: 0068
Process mc (pid: 662, threadinfo=ddb12000 task=ddf10020)
Stack: dd20a62c 00000000 c014d1d8 ddb13dd8 dd20a7a1 00000000 00000001
dd1a4000
dd20a73c 00000002 dd20a73c 00000001 00000000 df9f9332 dfa0212a
000000a2
dfa01a29 00000001 00000000 00000002 00000000 00000001 dd221de4
458073a1
Call Trace:
[<c014d1d8>] __lookup_hash+0x70/0x94
[<df9f9332>] raif_lookup_backend+0x232/0x310 [raif]
[<c014becc>] real_lookup+0x8c/0xa8
[<c014c123>] do_lookup+0x6b/0x78
[<c014c78b>] __link_path_walk+0x65b/0xcd4
[<df9f53c4>] raif_filldir+0x0/0x134 [raif]
[<c014ce49>] link_path_walk+0x45/0xd4
[<df9ff0dc>] free_rdstate+0x4c/0xb4 [raif]
[<c01160e8>] current_fs_time+0x44/0x5c
[<c014d0d8>] path_lookup+0x70/0x100
[<c014d285>] __user_walk+0x21/0x38
[<c0148a3d>] vfs_lstat+0x11/0x3c
[<df9ff0dc>] free_rdstate+0x4c/0xb4 [raif]
[<c01160e8>] current_fs_time+0x44/0x5c
[<c0148ff7>] sys_lstat64+0xf/0x28
[<c01500e3>] vfs_readdir+0x67/0x6c
[<c0150777>] sys_getdents64+0xb3/0xc4
[<c01029bd>] syscall_call+0x7/0xb
Code: 6a 36 3d 5a 5a 5a 5a 68 2a 22 a0 df ba 52 22 a0 df 74 05 ba 5d 22 a0 df
52 68 40 29 a0 df 68 80 29 a0 df e8 15 52 71 e0 83 c4 24 <c6> 05 00 00 00 00
00 e9 ad f9 ff ff 89 f6 ff 72 08 8b 54 24 24
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