exofs: Remove superfluous dependency on buffer_head and writeback

exofs_releasepage && exofs_invalidatepage are never called.
Leave the WARN_ONs but remove any code. Remove the

cleanup other stale #includes.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>

2 files changed, 2 insertions, 8 deletions

diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 4bb6ef822e46..fbf9f34554e0 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -32,9 +32,6 @@
  */
 
 #include <linux/slab.h>
-#include <linux/writeback.h>
-#include <linux/buffer_head.h>
-#include <scsi/scsi_device.h>
 
 #include "exofs.h"
 
@@ -759,15 +756,13 @@ static int exofs_releasepage(struct page *page, gfp_t gfp)
 {
         EXOFS_DBGMSG("page 0x%lx\n", page->index);
         WARN_ON(1);
-        return try_to_free_buffers(page);
+        return 0;
 }
 
 static void exofs_invalidatepage(struct page *page, unsigned long offset)
 {
-        EXOFS_DBGMSG("page_has_buffers=>%d\n", page_has_buffers(page));
+        EXOFS_DBGMSG("page 0x%lx offset 0x%lx\n", page->index, offset);
         WARN_ON(1);
-
-        block_invalidatepage(page, offset);
 }
 
 const struct address_space_operations exofs_aops = {
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 03149b9a5178..50cb1745e29c 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -31,7 +31,6 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <linux/smp_lock.h>
 #include <linux/string.h>
 #include <linux/parser.h>
 #include <linux/vfs.h>