Re: [PATCH 2/2] xfstests,btrfs/004: use FILEFRAG_PROG macro

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]



Cc list

> On Wed, Oct 08, 2014 at 06:35:22AM -0400, Wang Shilong wrote:
>>> Signed-off-by: Wang Shilong <wangshilong1991@xxxxxxxxx>
>>> ---
>>> i didn't find a way to remove filefrag here, but let us
>>> use macro firstly...
>> 
>> YOu shoul dbe able to use fiemap to calculate the same output.
>> i.e. _check_file_extents() outputs a strings of the format 
>> #physical#length#logical#flags and this is then cut up later
>> later by the test. fiemap outputs the same information,
>> it just requires slightly different processing via the
>> _filter_extents function to munge it into the same format…
> 
> I supposed there are some differences between fiemap and filefrag:
> 
> [root@vm01 mnt]# filefrag -v data 
> Filesystem type is: 9123683e
> File size of data is 1024 (1 block of 4096 bytes)
> ext:     logical_offset:        physical_offset: length:   expected: flags:
>   0:        0..    4095:          0..      4095:   4096:             not_aligned,inline,eof
> data: 1 extent found
> 
> [root@vm01 mnt]# xfs_io -c fiemap data 
> data:
> 	0: [0..7]: 0..7
> 
> Hm….
> 
> 
>> 
>> Cheers,
>> 
>> Dave.
>> -- 
>> Dave Chinner
>> david@xxxxxxxxxxxxx
> 
> Best Regards,
> Wang Shilong
> 

Best Regards,
Wang Shilong

--
To unsubscribe from this list: send the line "unsubscribe fstests" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Filesystems Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux