ceph: preallocate flock state without locks held

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When the lock_kernel() turns into lock_flocks() and a spinlock, we won't
be able to do allocations with the lock held.  Preallocate space without
the lock, and retry if the lock state changes out from underneath us.

Signed-off-by: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

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Greg Farnum 2010-09-17 10:24:02 -07:00 • committed by Sage Weil

parent ac0b74d8a1

commit fca4451acf

2 changed files with 44 additions and 15 deletions

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17

fs/ceph/locks.c

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38

fs/ceph/mds_client.c

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