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filemap: convert some unsigned long to pgoff_t

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Convert some 'unsigned long' to pgoff_t.

Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fengguang Wu
2007-10-16 01:24:37 -07:00
committed by Linus Torvalds
parent b2c3843b1e
commit 57f6b96c09
2 changed files with 28 additions and 27 deletions
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23
include/linux/pagemap.h
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@@ -84,11 +84,11 @@ static inline struct page *page_cache_alloc_cold(struct address_space *x)
typedef int filler_t(void *, struct page *);
extern struct page * find_get_page(struct address_space *mapping,
unsigned long index);
pgoff_t index);
extern struct page * find_lock_page(struct address_space *mapping,
unsigned long index);
pgoff_t index);
extern struct page * find_or_create_page(struct address_space *mapping,
unsigned long index, gfp_t gfp_mask);
pgoff_t 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,
@@ -99,41 +99,42 @@ unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index,
/*
* Returns locked page at given index in given cache, creating it if needed.
*/
static inline struct page *grab_cache_page(struct address_space *mapping, unsigned long index)
static inline struct page *grab_cache_page(struct address_space *mapping,
pgoff_t index)
{
return find_or_create_page(mapping, index, mapping_gfp_mask(mapping));
}
extern struct page * grab_cache_page_nowait(struct address_space *mapping,
unsigned long index);
pgoff_t index);
extern struct page * read_cache_page_async(struct address_space *mapping,
unsigned long index, filler_t *filler,
pgoff_t index, filler_t *filler,
void *data);
extern struct page * read_cache_page(struct address_space *mapping,
unsigned long index, filler_t *filler,
pgoff_t index, filler_t *filler,
void *data);
extern int read_cache_pages(struct address_space *mapping,
struct list_head *pages, filler_t *filler, void *data);
static inline struct page *read_mapping_page_async(
struct address_space *mapping,
unsigned long index, void *data)
pgoff_t index, void *data)
{
filler_t *filler = (filler_t *)mapping->a_ops->readpage;
return read_cache_page_async(mapping, index, filler, data);
}
static inline struct page *read_mapping_page(struct address_space *mapping,
unsigned long index, void *data)
pgoff_t index, void *data)
{
filler_t *filler = (filler_t *)mapping->a_ops->readpage;
return read_cache_page(mapping, index, filler, data);
}
int add_to_page_cache(struct page *page, struct address_space *mapping,
unsigned long index, gfp_t gfp_mask);
pgoff_t index, gfp_t gfp_mask);
int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
unsigned long index, gfp_t gfp_mask);
pgoff_t index, gfp_t gfp_mask);
extern void remove_from_page_cache(struct page *page);
extern void __remove_from_page_cache(struct page *page);