Messages in this thread | | | Date | Mon, 7 Apr 2003 09:21:13 +0530 | From | Suparna Bhattacharya <> | Subject | Re: [Patch 2/2] Retry based aio read - filesystem read changes |
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On Mon, Mar 31, 2003 at 02:16:29PM -0500, Benjamin LaHaise wrote: > On Mon, Mar 31, 2003 at 11:11:23AM -0800, William Lee Irwin III wrote: > > Can you tell whether these are due to hash collisions or contention on > > the same page? > > No, they're most likely waiting for io to complete. > > To clean this up I've got a patch to move from aio_read/write with all the > parameters to a single parameter based rw-specific iocb. That makes the > retry for read and write more ameniable to sharing common logic akin to the > wtd_ ops, which we need at the very least for the semaphore operations.
Do you also have a patch for handling semaphore operations ?
Regards Suparna
-- Suparna Bhattacharya (suparna@in.ibm.com) Linux Technology Center IBM Software Labs, India
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