Name
read_cache_pages — 
  populate an address space with some pages & start reads against them
 
Synopsis
| int read_cache_pages ( | struct address_space * mapping, | 
|  | struct list_head * pages, | 
|  | int (*filler) (void *, struct page *), | 
|  | void * data ); | 
 
Arguments
- mapping
- 
     the address_space
     
- pages
- 
     The address of a list_head which contains the target pages.  These
     pages have their ->index populated and are otherwise uninitialised.
     
- filler
- 
     callback routine for filling a single page.
     
- data
- 
     private data for the callback routine.
     
Description
   Hides the details of the LRU cache etc from the filesystems.