Zach Brown f1b5eb8a80 scoutfs: more dirty segment locking ...

The segment code wasn't always locking around concurrent accesses to the
dirty segment.  This is mostly a problem for updating all the next
elements in skip list modification.  But we also want to serialize dirty
block writing.

Add a little helper function to acquire the dirty mutex when we're
reading from the current dirty segment.

Bring sync in to segment.c so it's clear that it's intimately related to
the dirty segment.

The item deletion hack was totally unlocked.

Signed-off-by: Zach Brown <zab@versity.com>

2016-03-27 19:29:38 -07:00

kmod

scoutfs: more dirty segment locking

2016-03-27 19:29:38 -07:00

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