Name
find_get_entry —
find and get a page cache entry
Synopsis
struct page * find_get_entry ( | struct address_space * mapping, |
| | pgoff_t offset); |
Arguments
struct address_space * mapping
the address_space to search
pgoff_t offset
the page cache index
Description
Looks up the page cache slot at mapping & offset. If there is a
page cache page, it is returned with an increased refcount.
If the slot holds a shadow entry of a previously evicted page, or a
swap entry from shmem/tmpfs, it is returned.
Otherwise, NULL is returned.