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SubjectRe: Linux v2.4.19-rc5
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.

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.
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