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read_cache_page
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
read_cache_page - read into page cache, fill it if neededSYNOPSIS
- struct page * read_cache_page(struct address_space * mapping, pgoff_t index, int (*filler) (void *,struct page*), void * data);
ARGUMENTS
mapping
- the page's address_space
index
- the page index
filler
- function to perform the read
data
- destination for read data
DESCRIPTION
Read into the page cache. If a page already exists, and PageUptodate is not set, try to fill the page then wait for it to become unlocked.
If the page does not get brought uptodate, return -EIO.
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