Messages in this thread | | | Date | Sun, 22 Jun 2003 11:41:59 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] page cache readahead implemented? |
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Hugh Dickins <hugh@veritas.com> wrote: > > do_mmap_pgoff's PROT_EXEC do_page_cache_readahead assumes that is > implemented for all mappings, but not all filesystems provide ->readpage.
Which filesystems?
For tmpfs and other memory-backed filesystems we could perhaps just rely on backing_dev_info.ra_pages being zero. For others, maybe we should just say "thou shalt implement readpage". - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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