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SubjectRe: 2.6.20-rc4: known unfixed regressions (v2)
Vladimir V. Saveliev wrote:
> Hello
> On Tuesday 09 January 2007 21:30, Linus Torvalds wrote:
>>On Tue, 9 Jan 2007, Malte Schröder wrote:
>>>>So something interesting is definitely going on, but I don't know exactly
>>>>what it is. Why does reiserfs do the truncate as part of a close, if the
>>>>same inode is actually mapped somewhere else?
> on file close reiserfs tries to "pack" content of last incomplete page of file into metadata blocks.
> It should not if that page is still mapped somewhere.
> It does not actually truncate, it calls the same function which does truncate, but file size does not change.

That's racy, unfortunately :P

> Please consider the below patch.

That seems like it would work. Probably papers over your truncate-inside-i_size as well.

SUSE Labs, Novell Inc.
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