Messages in this thread | | | Date | Thu, 1 Aug 2002 10:58:29 +0200 | From | Jens Axboe <> | Subject | Re: Linux v2.4.19-rc5 |
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On Thu, Aug 01 2002, Andrew Morton wrote: > Jens Axboe wrote: > > > > ... > > > Anyway, lets wait for the numbers. > > > > It just 'feels' like the sort of change that might have odd side > > effects. > > It's almost impossible to get READA to do anything. For example, in > current 2.5, if a READA attempt is actually aborted, end_buffer_io_sync > reports a "buffer I/O error". Every time. And nobody has reported this.
Ahem, I've actually seen that happen :-). But maybe a total of 20 times or so.
> It _is_ possible to hit this in 2.5, because of ext2_preread_inode(). > > Probably, also it's possible to hit it in 2.4 with hundreds of processes > all issuing ext3 directory readahead. But it's pretty remote.
Alright, I'm happy then.
-- Jens Axboe
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