linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / fs / ext2 / namei.c
index f39446b..30d7141 100644 (file)
 #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);
@@ -44,7 +60,7 @@ static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
                d_instantiate(dentry, inode);
                return 0;
        }
-       inode_dec_link_count(inode);
+       ext2_dec_count(inode);
        iput(inode);
        return err;
 }
@@ -187,7 +203,7 @@ out:
        return err;
 
 out_fail:
-       inode_dec_link_count(inode);
+       ext2_dec_count(inode);
        iput (inode);
        goto out;
 }
@@ -201,7 +217,7 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
                return -EMLINK;
 
        inode->i_ctime = CURRENT_TIME_SEC;
-       inode_inc_link_count(inode);
+       ext2_inc_count(inode);
        atomic_inc(&inode->i_count);
 
        return ext2_add_nondir(dentry, inode);
@@ -215,7 +231,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
        if (dir->i_nlink >= EXT2_LINK_MAX)
                goto out;
 
-       inode_inc_link_count(dir);
+       ext2_inc_count(dir);
 
        inode = ext2_new_inode (dir, S_IFDIR | mode);
        err = PTR_ERR(inode);
@@ -229,7 +245,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
        else
                inode->i_mapping->a_ops = &ext2_aops;
 
-       inode_inc_link_count(inode);
+       ext2_inc_count(inode);
 
        err = ext2_make_empty(inode, dir);
        if (err)
@@ -244,11 +260,11 @@ out:
        return err;
 
 out_fail:
-       inode_dec_link_count(inode);
-       inode_dec_link_count(inode);
+       ext2_dec_count(inode);
+       ext2_dec_count(inode);
        iput(inode);
 out_dir:
-       inode_dec_link_count(dir);
+       ext2_dec_count(dir);
        goto out;
 }
 
@@ -268,7 +284,7 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
                goto out;
 
        inode->i_ctime = dir->i_ctime;
-       inode_dec_link_count(inode);
+       ext2_dec_count(inode);
        err = 0;
 out:
        return err;
@@ -283,8 +299,8 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry)
                err = ext2_unlink(dir, dentry);
                if (!err) {
                        inode->i_size = 0;
-                       inode_dec_link_count(inode);
-                       inode_dec_link_count(dir);
+                       ext2_dec_count(inode);
+                       ext2_dec_count(dir);
                }
        }
        return err;
@@ -324,41 +340,41 @@ 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;
-               inode_inc_link_count(old_inode);
+               ext2_inc_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--;
-               inode_dec_link_count(new_inode);
+               ext2_dec_count(new_inode);
        } else {
                if (dir_de) {
                        err = -EMLINK;
                        if (new_dir->i_nlink >= EXT2_LINK_MAX)
                                goto out_dir;
                }
-               inode_inc_link_count(old_inode);
+               ext2_inc_count(old_inode);
                err = ext2_add_link(new_dentry, old_inode);
                if (err) {
-                       inode_dec_link_count(old_inode);
+                       ext2_dec_count(old_inode);
                        goto out_dir;
                }
                if (dir_de)
-                       inode_inc_link_count(new_dir);
+                       ext2_inc_count(new_dir);
        }
 
        /*
         * Like most other Unix systems, set the ctime for inodes on a
         * rename.
-        * inode_dec_link_count() will mark the inode dirty.
+        * ext2_dec_count() will mark the inode dirty.
         */
        old_inode->i_ctime = CURRENT_TIME_SEC;
 
        ext2_delete_entry (old_de, old_page);
-       inode_dec_link_count(old_inode);
+       ext2_dec_count(old_inode);
 
        if (dir_de) {
                ext2_set_link(old_inode, dir_de, dir_page, new_dir);
-               inode_dec_link_count(old_dir);
+               ext2_dec_count(old_dir);
        }
        return 0;