Messages in this thread | | | Subject | Re: Boot failure with ext2 and initrds | From | Alex Tomas <> | Date | Thu, 16 Nov 2006 12:37:17 +0300 |
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>>>>> Andrew Morton (AM) writes:
AM> What lock protects the fields in struct ext[234]_reserve_window from being AM> concurrently modified by two CPUs? None, it seems. Ditto AM> ext[234]_reserve_window_node. i_mutex will cover it for write(), but not AM> for pageout over a file hole. If we end up with a zero- or negative-sized AM> window then odd things might happen.
truncate_mutex?
thanks, Alex
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