Aneesh Kumar K.V wrote:
On Mon, Nov 24, 2008 at 07:36:49PM +0300, Alex Zhuravlev wrote:
Aneesh Kumar K.V wrote:
Ok the changes was not done for this purpose. I need to make sure we
update bitmap and clear group_desc uninit flag after taking sb_bgl_lock
That means when we claim blocks we can't use mb_set_bits with
sb_bgl_lock because we would already be holding it. How about the below
change
may I have a look at the original patch?
http://patchwork.ozlabs.org/patch/10065/
I don't understand how a group can be "uninit" if we do some manipulations
inside. both allocation and preallocation initialize group first, see in
ext4_mb_init_cache()
thanks, Alex
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