Namjae Jeon <linkinj...@gmail.com> writes:

> 1)If we consider the code for FAT and MSDOS to be same with respect to
> timing updates - there there is difference in code as mentioned below:
> a) For:vfat_rmdir()
>       inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC;
>    For:msdos_rmdir()
>               inode->i_ctime = CURRENT_TIME_SEC;
>               
> b) For: vfat_unlink()
>               inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC;
>    For: msdos_unlink()
>               inode->i_ctime = CURRENT_TIME_SEC;
>
> So, atleast the uniformity in the code is missing for MSDOS and VFAT.

MSDOS doesn't have atime.

> 2) Regarding timings information
> Original timings on VFAT:
> #> mkdir parent
> #> stat parent
> File type:                directory
> I-node number:            30
> Mode:                     40755 (octal)
> Link count:               2
> Ownership:                UID=0   GID=0
> Preferred I/O block size: 4096 bytes
> File size:                4096 bytes
> Blocks allocated:         8
> Last status change:       Thu Jan  1 00:01:29 2012
> Last file access:         Thu Jan  1 00:01:29 2012
> Last file modification:   Thu Jan  1 00:01:29 2012

[...]

> As can be seen from the 'stat' information - the timing information
> appears same for VFAT like EXT4/XFS after changes.
> Please let me know your opinion.

You have to think about compatibility with other FAT, not unix fs.
-- 
OGAWA Hirofumi <hirof...@mail.parknet.co.jp>
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