read_cache_page_asyn(9)
NAME
read_cache_page_async - read into page cache, fill it if needed
SYNOPSIS
struct page * read_cache_page_async(struct address_space * mapping,
pgoff_t index,
int (*filler) (void *,struct page*),
void * data);
ARGUMENTS
- mapping
- the pageīs address_space
- index
- the page index
- filler
- function to perform the read
- data
- destination for read data
DESCRIPTION
Same as read_cache_page, but donīt wait for page to become unlocked
after submitting it to the filler.
Read into the page cache. If a page already exists, and PageUptodate is not set, try to fill the page but donīt wait for it to become unlocked.
If the page does not get brought uptodate, return -EIO.