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SubjectRe: Advanced Linux Kernel/Enterprise Linux Kernel
"Eric W. Biederman" wrote:
> Daniel Phillips <> writes:
> > Actually, I was planning on doing on putting in a hack to do something
> > like that: calculate a checksum after every buffer data update and check
> > it after write completion, to make sure nothing scribbled in the buffer
> > in the interim. This would also pick up some bad memory problems.
> Be very careful that this just applies to metadata. For normal data
> this is a valid case. Weird but valid.

I'm not sure what you mean. With the exception of mmap'd files, the
filesystem (or VFS) controls every transfer onto a buffer so... what
does that leave?

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