diff options
| -rw-r--r-- | include/linux/pagemap.h | 23 | ||||
| -rw-r--r-- | mm/filemap.c | 32 |
2 files changed, 28 insertions, 27 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 8a83537d6978..862fc07dc6c0 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -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); diff --git a/mm/filemap.c b/mm/filemap.c index c1b94054cbbe..b436cbb3a834 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -593,7 +593,7 @@ void fastcall __lock_page_nosync(struct page *page) * Is there a pagecache struct page at the given (mapping, offset) tuple? * If yes, increment its refcount and return it; if no, return NULL. */ -struct page * find_get_page(struct address_space *mapping, unsigned long offset) +struct page * find_get_page(struct address_space *mapping, pgoff_t offset) { struct page *page; @@ -617,7 +617,7 @@ EXPORT_SYMBOL(find_get_page); * Returns zero if the page was not present. find_lock_page() may sleep. */ struct page *find_lock_page(struct address_space *mapping, - unsigned long offset) + pgoff_t offset) { struct page *page; @@ -663,7 +663,7 @@ EXPORT_SYMBOL(find_lock_page); * memory exhaustion. */ struct page *find_or_create_page(struct address_space *mapping, - unsigned long index, gfp_t gfp_mask) + pgoff_t index, gfp_t gfp_mask) { struct page *page, *cached_page = NULL; int err; @@ -797,7 +797,7 @@ EXPORT_SYMBOL(find_get_pages_tag); * and deadlock against the caller's locked page. */ struct page * -grab_cache_page_nowait(struct address_space *mapping, unsigned long index) +grab_cache_page_nowait(struct address_space *mapping, pgoff_t index) { struct page *page = find_get_page(mapping, index); @@ -866,10 +866,10 @@ void do_generic_mapping_read(struct address_space *mapping, read_actor_t actor) { struct inode *inode = mapping->host; - unsigned long index; - unsigned long offset; - unsigned long last_index; - unsigned long prev_index; + pgoff_t index; + pgoff_t last_index; + pgoff_t prev_index; + unsigned long offset; /* offset into pagecache page */ unsigned int prev_offset; struct page *cached_page; int error; @@ -883,7 +883,7 @@ void do_generic_mapping_read(struct address_space *mapping, for (;;) { struct page *page; - unsigned long end_index; + pgoff_t end_index; loff_t isize; unsigned long nr, ret; @@ -1217,7 +1217,7 @@ EXPORT_SYMBOL(generic_file_aio_read); static ssize_t do_readahead(struct address_space *mapping, struct file *filp, - unsigned long index, unsigned long nr) + pgoff_t index, unsigned long nr) { if (!mapping || !mapping->a_ops || !mapping->a_ops->readpage) return -EINVAL; @@ -1237,8 +1237,8 @@ asmlinkage ssize_t sys_readahead(int fd, loff_t offset, size_t count) if (file) { if (file->f_mode & FMODE_READ) { struct address_space *mapping = file->f_mapping; - unsigned long start = offset >> PAGE_CACHE_SHIFT; - unsigned long end = (offset + count - 1) >> PAGE_CACHE_SHIFT; + pgoff_t start = offset >> PAGE_CACHE_SHIFT; + pgoff_t end = (offset + count - 1) >> PAGE_CACHE_SHIFT; unsigned long len = end - start + 1; ret = do_readahead(mapping, file, start, len); } @@ -1256,7 +1256,7 @@ asmlinkage ssize_t sys_readahead(int fd, loff_t offset, size_t count) * This adds the requested page to the page cache if it isn't already there, * and schedules an I/O to read in its contents from disk. */ -static int fastcall page_cache_read(struct file * file, unsigned long offset) +static int fastcall page_cache_read(struct file * file, pgoff_t offset) { struct address_space *mapping = file->f_mapping; struct page *page; @@ -1497,7 +1497,7 @@ EXPORT_SYMBOL(generic_file_mmap); EXPORT_SYMBOL(generic_file_readonly_mmap); static struct page *__read_cache_page(struct address_space *mapping, - unsigned long index, + pgoff_t index, int (*filler)(void *,struct page*), void *data) { @@ -1538,7 +1538,7 @@ repeat: * after submitting it to the filler. */ struct page *read_cache_page_async(struct address_space *mapping, - unsigned long index, + pgoff_t index, int (*filler)(void *,struct page*), void *data) { @@ -1586,7 +1586,7 @@ EXPORT_SYMBOL(read_cache_page_async); * If the page does not get brought uptodate, return -EIO. */ struct page *read_cache_page(struct address_space *mapping, - unsigned long index, + pgoff_t index, int (*filler)(void *,struct page*), void *data) { |