>>>>> "stephen" == Stephen C Tweedie <[EMAIL PROTECTED]> writes:
stephen> Hi,
stephen> On Thu, Sep 07, 2000 at 11:44:23PM -0400, Alexander Viro wrote:
>> Umm... OK, look at it that way: what are we protecting with ->s_lock?
>> Aside of serializing ->read_super() and friends, that is. Three things:
>> 1) cache of cylinder group descriptors
>> 2) block bitmaps and counters
>> 3) inode bitmaps and counters
>> None of them actually needs a blocking lock at all.
stephen> Right, and I've already got patches which drop the superblock lock for
stephen> nearly all of balloc.c and ialloc.c. It's not hard in principle, and
stephen> I'll redo what I had for 2.4-current.
You can begin with:
http://carpanta.dc.fi.udc.es/~quintela/kernel/2.4.0-test8-pre6/ext2_lock_super_05.patch
It is your patch rediffed (modulo needed changes) against current kernel.
Later, Juan.
--
In theory, practice and theory are the same, but in practice they
are different -- Larry McVoy
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