Re: [Ext2-devel] [RFC] probably bug in current ext3/jbd
Andrew Morton (akpm@digeo.com)
Wed, 21 May 2003 09:38:48 -0700
Alex Tomas <bzzz@tmi.comex.ru> wrote:
>
> looks Andrew Morton should return BKL in ext3_get_block_handle() in -mm tree?
> this BKL protects ext3_alloc_branch() -> ext3_alloc_block() -> ext3_new_block()
> call chain. or we may implement new protection schema where each jh has some
> reference alike 'used by transaction N'
Can this be solved by spinlocking the relevant buffer_head, in a similar
way to your recent changes to journal_add_journal_head()?
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