[Bluetooth] Code cleanup of the drivers source code

[pandora-kernel.git] / fs / inode.c

diff --git a/fs/inode.c b/fs/inode.c
index 32b7c33..f5c04dd 100644 (file)
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -4,7 +4,6 @@
  * (C) 1997 Linus Torvalds
  */
 
-#include <linux/config.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/dcache.h>
@@ -102,7 +101,7 @@ static kmem_cache_t * inode_cachep __read_mostly;
 
 static struct inode *alloc_inode(struct super_block *sb)
 {
-       static struct address_space_operations empty_aops;
+       static const struct address_space_operations empty_aops;
        static struct inode_operations empty_iops;
        static const struct file_operations empty_fops;
        struct inode *inode;
@@ -164,7 +163,7 @@ static struct inode *alloc_inode(struct super_block *sb)
                                bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
                        mapping->backing_dev_info = bdi;
                }
-               memset(&inode->u, 0, sizeof(inode->u));
+               inode->i_private = 0;
                inode->i_mapping = mapping;
        }
        return inode;
@@ -172,8 +171,7 @@ static struct inode *alloc_inode(struct super_block *sb)
 
 void destroy_inode(struct inode *inode) 
 {
-       if (inode_has_buffers(inode))
-               BUG();
+       BUG_ON(inode_has_buffers(inode));
        security_inode_free(inode);
        if (inode->i_sb->s_op->destroy_inode)
                inode->i_sb->s_op->destroy_inode(inode);
@@ -249,19 +247,16 @@ void clear_inode(struct inode *inode)
        might_sleep();
        invalidate_inode_buffers(inode);
        
-       if (inode->i_data.nrpages)
-               BUG();
-       if (!(inode->i_state & I_FREEING))
-               BUG();
-       if (inode->i_state & I_CLEAR)
-               BUG();
+       BUG_ON(inode->i_data.nrpages);
+       BUG_ON(!(inode->i_state & I_FREEING));
+       BUG_ON(inode->i_state & I_CLEAR);
        wait_on_inode(inode);
        DQUOT_DROP(inode);
        if (inode->i_sb && inode->i_sb->s_op->clear_inode)
                inode->i_sb->s_op->clear_inode(inode);
-       if (inode->i_bdev)
+       if (S_ISBLK(inode->i_mode) && inode->i_bdev)
                bd_forget(inode);
-       if (inode->i_cdev)
+       if (S_ISCHR(inode->i_mode) && inode->i_cdev)
                cd_forget(inode);
        inode->i_state = I_CLEAR;
 }
@@ -456,15 +451,14 @@ static void prune_icache(int nr_to_scan)
                nr_pruned++;
        }
        inodes_stat.nr_unused -= nr_pruned;
+       if (current_is_kswapd())
+               __count_vm_events(KSWAPD_INODESTEAL, reap);
+       else
+               __count_vm_events(PGINODESTEAL, reap);
        spin_unlock(&inode_lock);
 
        dispose_list(&freeable);
        mutex_unlock(&iprune_mutex);
-
-       if (current_is_kswapd())
-               mod_page_state(kswapd_inodesteal, reap);
-       else
-               mod_page_state(pginodesteal, reap);
 }
 
 /*
@@ -1054,8 +1048,7 @@ void generic_delete_inode(struct inode *inode)
        hlist_del_init(&inode->i_hash);
        spin_unlock(&inode_lock);
        wake_up_inode(inode);
-       if (inode->i_state != I_CLEAR)
-               BUG();
+       BUG_ON(inode->i_state != I_CLEAR);
        destroy_inode(inode);
 }