Messages in this thread |  | | Date | Thu, 18 Oct 2001 12:18:12 -0400 (EDT) | From | Alexander Viro <> | Subject | Re: Poor floppy performance in kernel 2.4.10 |
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On Thu, 18 Oct 2001, Andreas Dilger wrote:
> I think this is a result of the "blockdev in pagecache" change added in > 2.4.10. One of the byproducts of this change is that if a block device > is closed (no other openers) then all of the pages from this device are > dropped from the cache. In the case of a floppy drive, this is very > important, as you don't want to be cacheing data from one floppy after > you have inserted a new floppy.
RTFS. That _exactly_ matches the behaviour of buffer-cache variant.
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