find_lock_page - locate, pin and lock a pagecache page
2. SYNOPSIS ▲
struct page * find_lock_page(struct address_space * mapping , pgoff_t offset );
3. ARGUMENTS ▲
the address_space to search
the page index
4. DESCRIPTION ▲
Locates the desired pagecache page, locks it, increments its reference count and returns its address.
Returns zero if the page was not present. find_lock_page may sleep.
5. COPYRIGHT ▲