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SubjectRe: [PATCH 2/3] sysfs representation of stacked devices (dm) (rev.2)
On Wed, Feb 22, 2006 at 12:13:56PM -0500, Jun'ichi Nomura wrote:
> Alasdair G Kergon wrote:
> > This patch needs splitting up so that independent changes can be
> > considered separately.
> > c.f. The proposal from Mike Anderson (repeated below) which I prefer
> > because it makes it clear that a table always belongs to exactly one md.

> I like his proposed patch.
> The interface is useful for my purpose too and moving table
> creation inside _hash_lock means I don't need dm_get() neither.

The global _hash_lock should not be held (thereby locking out most dm ioctl
operations on any device) while the slow populate_table() runs.

I'm trying out a variant of the patch that drops and reacquires that lock.

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