Messages in this thread | | | Date | Thu, 13 May 2010 11:26:39 -0400 | From | Christoph Hellwig <> | Subject | Re: [PATCH 4/4] Btrfs: add basic DIO read/write support V3 |
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On Thu, May 13, 2010 at 11:31:45AM -0400, Josef Bacik wrote: > AIO's aio_complete does kmap with KM_IRQ0/1 and it gets called in the same > context as the btrfs completion handler, so if it's ok for aio_complete it > should be ok for btrfs right? Thanks,
aio_complete does a spin_lock_irqsave before that, which disables interrupts on the local CPU.
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