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[PATCH] Add find_get_pages_contig(): contiguous variant of find_get_pages()

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find_get_pages_contig() will break out if we hit a hole in the page cache.
From Andrew Morton, small modifications and documentation by me.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe
2006-04-27 08:46:01 +02:00
committed by Jens Axboe
parent eb645a24de
commit ebf43500ef
2 changed files with 34 additions and 0 deletions
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include/linux/pagemap.h
+2
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@@ -78,6 +78,8 @@ extern struct page * find_or_create_page(struct address_space *mapping,
unsigned long index, gfp_t gfp_mask);
unsigned find_get_pages(struct address_space *mapping, pgoff_t start,
unsigned int nr_pages, struct page **pages);
unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t start,
unsigned int nr_pages, struct page **pages);
unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index,
int tag, unsigned int nr_pages, struct page **pages);