Re: ftruncate-mmap: pages are lost after writing to mmaped file.

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Jan Kara <jack@xxxxxxx> writes:

>   BTW: Note that there's a plenty of filesystems that don't implement
> mkwrite() (e.g. ext2, UDF, VFAT...) and thus have the same problem with
> ENOSPC. So I'd not speak too much about consistency ;).

FWIW, fatfs doesn't allow sparse file (mmap the non-allocated region),
so I guess there is no problem.
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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