Reiser4 implements read without help of generic_file_read, but it uses page_cache_readahead. So, this patch makes page_cache_readahead EXPROT_SYMBOL. Future filesystems may find this patch useful as well. Signed-off-by: Andrew Morton --- diff -puN mm/readahead.c~reiser4-export-page_cache_readahead mm/readahead.c mm/readahead.c | 1 + 1 files changed, 1 insertion(+) diff -puN mm/readahead.c~reiser4-export-page_cache_readahead mm/readahead.c --- linux-2.6.10/mm/readahead.c~reiser4-export-page_cache_readahead 2005-01-18 19:13:53.826794964 +0300 +++ linux-2.6.10-vs/mm/readahead.c 2005-01-18 19:13:53.848796499 +0300 @@ -548,6 +548,7 @@ out: ra->prev_page = offset + newsize - 1; return(newsize); } +EXPORT_SYMBOL(page_cache_readahead); /* * handle_ra_miss() is called when it is known that a page which should have _