Name
find_lock_entry —
locate, pin and lock a page cache entry
Synopsis
struct page * find_lock_entry ( | struct address_space * mapping, |
| | pgoff_t offset); |
Arguments
mapping
the address_space to search
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 locked and with an increased
refcount.
If the slot holds a shadow entry of a previously evicted page, it
is returned.
Otherwise, NULL is returned.
find_lock_entry may sleep.