Cc list > On Wed, Oct 08, 2014 at 06:35:22AM -0400, Wang Shilong wrote: >>> Signed-off-by: Wang Shilong <wangshilong1...@gmail.com> >>> --- >>> 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 >> da...@fromorbit.com > > Best Regards, > Wang Shilong >
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