[PATCH 00/18 v2] fs: add symlink and readlink support

[Sascha Hauer]

On Sat, Sep 01, 2012 at 02:35:11PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> HI,
> 
> 	v2:
> 	 addres comments
> 
> please pull
> The following changes since commit b77300ac6c6bbbc7eac774ff0076c7c05d39735f:
> 
>   command/mount: add autodetection support (2012-08-21 18:53:00 +0800)
> 
> are available in the git repository at:
> 
>   git://git.jcrosoft.org/barebox.git tags/fs-symlink
> 

The following results in a crash here:

# mkdir mymount
# mount -t ramfs none mymount/
# ln /env/boot/net /mymount/link
unable to handle paging request at address 0x1b5f655c
pc : [<a7f044f0>]    lr : [<a7f04b10>]
sp : a6eff908  ip : 00000003  fp : 00000000
r10: a6f0efe4  r9 : 00000000  r8 : 00000003
r7 : 00000000  r6 : a6f00000  r5 : a6f0eff4  r4 : a6f0efec
r3 : 1b5f6560  r2 : a6f0eff4  r1 : a6f0eff4  r0 : a6f0efec
Flags: NzCv  IRQs off  FIQs off  Mode SVC_32
[<a7f044f0>] (block_link_next+0x18/0x1c) from [<a7f04b10>] (tlsf_free+0x1c/0x88)
[<a7f04b10>] (tlsf_free+0x1c/0x88) from [<a7f2828c>] (symlink+0xd0/0xfc)
[<a7f2828c>] (symlink+0xd0/0xfc) from [<a7f1ac8c>] (do_ln+0x14/0x3c)
[<a7f1ac8c>] (do_ln+0x14/0x3c) from [<a7f050b4>] (execute_command+0x38/0x7c)
[<a7f050b4>] (execute_command+0x38/0x7c) from [<a7f01efc>] (run_list_real+0x8dc/0x9dc)
[<a7f01efc>] (run_list_real+0x8dc/0x9dc) from [<a7f02144>] (parse_stream_outer+0x148/0x238)
[<a7f02144>] (parse_stream_outer+0x148/0x238) from [<a7f024cc>] (run_shell+0x3c/0x7c)
[<a7f024cc>] (run_shell+0x3c/0x7c) from [<a7f050b4>] (execute_command+0x38/0x7c)
[<a7f050b4>] (execute_command+0x38/0x7c) from [<a7f01efc>] (run_list_real+0x8dc/0x9dc)
[<a7f01efc>] (run_list_real+0x8dc/0x9dc) from [<a7f01a58>] (run_list_real+0x438/0x9dc)

[<a7f2c5e4>] (unwind_backtrace+0x0/0x9c) from [<a7f1bce0>] (panic+0x28/0x3c)
[<a7f1bce0>] (panic+0x28/0x3c) from [<a7f2ca3c>] (do_exception+0x10/0x14)
[<a7f2ca3c>] (do_exception+0x10/0x14) from [<a7f2cac8>] (do_data_abort+0x2c/0x38)
[<a7f2cac8>] (do_data_abort+0x2c/0x38) from [<a7f2c810>] (data_abort+0x50/0x60)



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