Name
find_lock_page —
locate, pin and lock a pagecache page
Synopsis
struct page * find_lock_page ( | struct address_space * mapping, |
| pgoff_t offset) ; |
Arguments
mapping
the address_space to search
offset
the page 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.
Otherwise, NULL
is returned.
find_lock_page
may sleep.