Messages in this thread |  | | | Date | Fri, 07 Dec 2001 10:32:31 -0800 | | From | Andrew Morton <> | | Subject | Re: [reiserfs-dev] Re: Ext2 directory index: ALS paper and benchmarks |
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Daniel Phillips wrote: > > Because Ext2 packs multiple entries onto a single inode table block, the > major effect is not due to lack of readahead but to partially processed inode > table blocks being evicted.
Inode and directory lookups are satisfied direct from the icache/dcache, and the underlying fs is not informed of a lookup, which confuses the VM.
Possibly, implementing a d_revalidate() method which touches the underlying block/page when a lookup occurs would help.
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