diff options
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 868874192..9af62e4a2 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -71,20 +71,12 @@ static inline struct page *find_page(struct inode * inode, unsigned long offset) static inline void remove_page_from_hash_queue(struct page * page) { - struct page **p; - struct page *next_hash, *prev_hash; - - next_hash = page->next_hash; - prev_hash = page->prev_hash; - page->next_hash = NULL; - page->prev_hash = NULL; - if (next_hash) - next_hash->prev_hash = prev_hash; - if (prev_hash) - prev_hash->next_hash = next_hash; - p = page_hash(page->inode,page->offset); - if (*p == page) - *p = next_hash; + if(page->pprev_hash) { + if(page->next_hash) + page->next_hash->pprev_hash = page->pprev_hash; + *page->pprev_hash = page->next_hash; + page->pprev_hash = NULL; + } page_cache_size--; } @@ -93,10 +85,10 @@ static inline void __add_page_to_hash_queue(struct page * page, struct page **p) page_cache_size++; set_bit(PG_referenced, &page->flags); page->age = PAGE_AGE_VALUE; - page->prev_hash = NULL; - if ((page->next_hash = *p) != NULL) - page->next_hash->prev_hash = page; + if((page->next_hash = *p) != NULL) + (*p)->pprev_hash = &page->next_hash; *p = page; + page->pprev_hash = p; } static inline void add_page_to_hash_queue(struct page * page, struct inode * inode, unsigned long offset) @@ -104,7 +96,6 @@ static inline void add_page_to_hash_queue(struct page * page, struct inode * ino __add_page_to_hash_queue(page, page_hash(inode,offset)); } - static inline void remove_page_from_inode_queue(struct page * page) { struct inode * inode = page->inode; |