Hi Kirk...
I'm unsure of the problem that ext2's nobh mount option solves. The man
page and code tersely states that it prevents 'attaching of
buffer_heads to pages'. But why is that A Bad Thing? What problems are
avoided by not using buffer_heads?
AFAIK, it might be the workaround for the file corruption that happens
on apps such as certain Torrent client. Please dig LKML archieve and
kerneltrap.org and LWN.net for more about it. In short, file operation
should rely on page cache these days, not on buffer head. It could
introduce dualism when deciding whether a block contains dirty data or not.
regards,
Mulyadi
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