READ_CACHE_PAGES(9) Memory Management in Linux READ_CACHE_PAGES(9)NAMEread_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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 READ_CACHE_PAGES(9)