[PATCH] ext2: switch to inode_inc_count, inode_dec_count

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/ext2/namei.c

@@ -36,30 +36,14 @@
 #include "acl.h"
 #include "xip.h"
 
-/*
- * Couple of helper functions - make the code slightly cleaner.
- */
-
-static inline void ext2_inc_count(struct inode *inode)
-{
-	inode->i_nlink++;
-	mark_inode_dirty(inode);
-}
-
-static inline void ext2_dec_count(struct inode *inode)
-{
-	inode->i_nlink--;
-	mark_inode_dirty(inode);
-}
-
 static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
 {
 	int err = ext2_add_link(dentry, inode);
 	if (!err) {
 		d_instantiate(dentry, inode);
 		return 0;
 	}
-	ext2_dec_count(inode);
+	inode_dec_link_count(inode);
 	iput(inode);
 	return err;
 }
@@ -201,7 +185,7 @@ static int ext2_symlink (struct inode * dir, struct dentry * dentry,
 	return err;
 
 out_fail:
-	ext2_dec_count(inode);
+	inode_dec_link_count(inode);
 	iput (inode);
 	goto out;
 }
@@ -215,7 +199,7 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
 		return -EMLINK;
 
 	inode->i_ctime = CURRENT_TIME_SEC;
-	ext2_inc_count(inode);
+	inode_inc_link_count(inode);
 	atomic_inc(&inode->i_count);
 
 	return ext2_add_nondir(dentry, inode);
@@ -229,7 +213,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	if (dir->i_nlink >= EXT2_LINK_MAX)
 		goto out;
 
-	ext2_inc_count(dir);
+	inode_inc_link_count(dir);
 
 	inode = ext2_new_inode (dir, S_IFDIR | mode);
 	err = PTR_ERR(inode);
@@ -243,7 +227,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	else
 		inode->i_mapping->a_ops = &ext2_aops;
 
-	ext2_inc_count(inode);
+	inode_inc_link_count(inode);
 
 	err = ext2_make_empty(inode, dir);
 	if (err)
@@ -258,11 +242,11 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	return err;
 
 out_fail:
-	ext2_dec_count(inode);
-	ext2_dec_count(inode);
+	inode_dec_link_count(inode);
+	inode_dec_link_count(inode);
 	iput(inode);
 out_dir:
-	ext2_dec_count(dir);
+	inode_dec_link_count(dir);
 	goto out;
 }
 
@@ -282,7 +266,7 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
 		goto out;
 
 	inode->i_ctime = dir->i_ctime;
-	ext2_dec_count(inode);
+	inode_dec_link_count(inode);
 	err = 0;
 out:
 	return err;
@@ -297,8 +281,8 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry)
 		err = ext2_unlink(dir, dentry);
 		if (!err) {
 			inode->i_size = 0;
-			ext2_dec_count(inode);
-			ext2_dec_count(dir);
+			inode_dec_link_count(inode);
+			inode_dec_link_count(dir);
 		}
 	}
 	return err;
@@ -338,41 +322,41 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
 		new_de = ext2_find_entry (new_dir, new_dentry, &new_page);
 		if (!new_de)
 			goto out_dir;
-		ext2_inc_count(old_inode);
+		inode_inc_link_count(old_inode);
 		ext2_set_link(new_dir, new_de, new_page, old_inode);
 		new_inode->i_ctime = CURRENT_TIME_SEC;
 		if (dir_de)
 			new_inode->i_nlink--;
-		ext2_dec_count(new_inode);
+		inode_dec_link_count(new_inode);
 	} else {
 		if (dir_de) {
 			err = -EMLINK;
 			if (new_dir->i_nlink >= EXT2_LINK_MAX)
 				goto out_dir;
 		}
-		ext2_inc_count(old_inode);
+		inode_inc_link_count(old_inode);
 		err = ext2_add_link(new_dentry, old_inode);
 		if (err) {
-			ext2_dec_count(old_inode);
+			inode_dec_link_count(old_inode);
 			goto out_dir;
 		}
 		if (dir_de)
-			ext2_inc_count(new_dir);
+			inode_inc_link_count(new_dir);
 	}
 
 	/*
 	 * Like most other Unix systems, set the ctime for inodes on a
  	 * rename.
-	 * ext2_dec_count() will mark the inode dirty.
+	 * inode_dec_link_count() will mark the inode dirty.
 	 */
 	old_inode->i_ctime = CURRENT_TIME_SEC;
 
 	ext2_delete_entry (old_de, old_page);
-	ext2_dec_count(old_inode);
+	inode_dec_link_count(old_inode);
 
 	if (dir_de) {
 		ext2_set_link(old_inode, dir_de, dir_page, new_dir);
-		ext2_dec_count(old_dir);
+		inode_dec_link_count(old_dir);
 	}
 	return 0;