aboutsummaryrefslogtreecommitdiff
path: root/include/linux/buffer_head.h
diff options
context:
space:
mode:
authorJeff Garzik <jeff@garzik.org>2006-09-30 23:55:03 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-30 23:55:03 -0400
commite993835441734c184d70d3716eed78a08eeb71c2 (patch)
tree583aa17813cdae1c4640e353f8c6df3f197e7548 /include/linux/buffer_head.h
parent360f654e7cda850034f3f6252a7a7cff3fa77356 (diff)
parent1bdfd554be94def718323659173517c5d4a69d25 (diff)
Merge branch 'master' into upstream
Diffstat (limited to 'include/linux/buffer_head.h')
-rw-r--r--include/linux/buffer_head.h19
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 737e407d0cd..131ffd37e71 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -14,6 +14,8 @@
#include <linux/wait.h>
#include <asm/atomic.h>
+#ifdef CONFIG_BLOCK
+
enum bh_state_bits {
BH_Uptodate, /* Contains valid data */
BH_Dirty, /* Is dirty */
@@ -190,9 +192,7 @@ extern int buffer_heads_over_limit;
* Generic address_space_operations implementations for buffer_head-backed
* address_spaces.
*/
-int try_to_release_page(struct page * page, gfp_t gfp_mask);
void block_invalidatepage(struct page *page, unsigned long offset);
-void do_invalidatepage(struct page *page, unsigned long offset);
int block_write_full_page(struct page *page, get_block_t *get_block,
struct writeback_control *wbc);
int block_read_full_page(struct page*, get_block_t*);
@@ -302,4 +302,19 @@ static inline void lock_buffer(struct buffer_head *bh)
__lock_buffer(bh);
}
+extern int __set_page_dirty_buffers(struct page *page);
+
+#else /* CONFIG_BLOCK */
+
+static inline void buffer_init(void) {}
+static inline int try_to_free_buffers(struct page *page) { return 1; }
+static inline int sync_blockdev(struct block_device *bdev) { return 0; }
+static inline int inode_has_buffers(struct inode *inode) { return 0; }
+static inline void invalidate_inode_buffers(struct inode *inode) {}
+static inline int remove_inode_buffers(struct inode *inode) { return 1; }
+static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; }
+static inline void invalidate_bdev(struct block_device *bdev, int destroy_dirty_buffers) {}
+
+
+#endif /* CONFIG_BLOCK */
#endif /* _LINUX_BUFFER_HEAD_H */