[snip fsync() on directory ... on second thought this isn't enough]
> Chase up to the root manually, because Linux' ext2 violates SUS
> v2 fsync() (which requires meta data synched BTW), as has been
> pointed out (and fixed in ReiserFS and ext3)?
Agreed. fsync() on the file needs to write the meta
data, this includes the directory and (if needed)
the parent directories all the way up to the root.
> So, please tell my why Single Unix Specification v2 specifies EIO for
> rename. Asynchronous I/O cannot possibly trigger immediate EIO.
Crap. An asynchronous rename() can hit the situation
where it cannot read the disk when searching for the
directory it wants to move the file to.
rename(/from/a/b/file, /to/d/f/file) can fail when
the system gets an IO access on reading "d".
regards,
Rik
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