X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Flibfs.c;h=f503fcd989fc71013974f42f6d86e6307db3486d;hb=refs%2Fheads%2Fvserver;hp=16b38b18927b7f6ca833a80d16b6534a1eb222f5;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git

diff --git a/fs/libfs.c b/fs/libfs.c
index 16b38b189..f503fcd98 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -63,7 +63,7 @@ int dcache_dir_open(struct inode *inode, struct file *file)
 {
 	static struct qstr cursor_name = {.len = 1, .name = "."};
 
-	file->private_data = d_alloc(file->f_dentry, &cursor_name);
+	file->private_data = d_alloc(file->f_path.dentry, &cursor_name);
 
 	return file->private_data ? 0 : -ENOMEM;
 }
@@ -76,7 +76,7 @@ int dcache_dir_close(struct inode *inode, struct file *file)
 
 loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
 {
-	mutex_lock(&file->f_dentry->d_inode->i_mutex);
+	mutex_lock(&file->f_path.dentry->d_inode->i_mutex);
 	switch (origin) {
 		case 1:
 			offset += file->f_pos;
@@ -84,7 +84,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
 			if (offset >= 0)
 				break;
 		default:
-			mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+			mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
 			return -EINVAL;
 	}
 	if (offset != file->f_pos) {
@@ -96,8 +96,8 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
 
 			spin_lock(&dcache_lock);
 			list_del(&cursor->d_u.d_child);
-			p = file->f_dentry->d_subdirs.next;
-			while (n && p != &file->f_dentry->d_subdirs) {
+			p = file->f_path.dentry->d_subdirs.next;
+			while (n && p != &file->f_path.dentry->d_subdirs) {
 				struct dentry *next;
 				next = list_entry(p, struct dentry, d_u.d_child);
 				if (!d_unhashed(next) && next->d_inode)
@@ -108,7 +108,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
 			spin_unlock(&dcache_lock);
 		}
 	}
-	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+	mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
 	return offset;
 }
 
@@ -127,7 +127,7 @@ static inline unsigned char dt_type(struct inode *inode)
 static inline int do_dcache_readdir_filter(struct file * filp,
 	void * dirent, filldir_t filldir, int (*filter)(struct dentry *dentry))
 {
-	struct dentry *dentry = filp->f_dentry;
+	struct dentry *dentry = filp->f_path.dentry;
 	struct dentry *cursor = filp->private_data;
 	struct list_head *p, *q = &cursor->d_u.d_child;
 	ino_t ino;
@@ -258,7 +258,7 @@ int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *den
 	struct inode *inode = old_dentry->d_inode;
 
 	inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
-	inode->i_nlink++;
+	inc_nlink(inode);
 	atomic_inc(&inode->i_count);
 	dget(dentry);
 	d_instantiate(dentry, inode);
@@ -290,7 +290,7 @@ int simple_unlink(struct inode *dir, struct dentry *dentry)
 	struct inode *inode = dentry->d_inode;
 
 	inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
-	inode->i_nlink--;
+	drop_nlink(inode);
 	dput(dentry);
 	return 0;
 }
@@ -300,9 +300,9 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry)
 	if (!simple_empty(dentry))
 		return -ENOTEMPTY;
 
-	dentry->d_inode->i_nlink--;
+	drop_nlink(dentry->d_inode);
 	simple_unlink(dir, dentry);
-	dir->i_nlink--;
+	drop_nlink(dir);
 	return 0;
 }
 
@@ -318,10 +318,10 @@ int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (new_dentry->d_inode) {
 		simple_unlink(new_dir, new_dentry);
 		if (they_are_dirs)
-			old_dir->i_nlink--;
+			drop_nlink(old_dir);
 	} else if (they_are_dirs) {
-		old_dir->i_nlink--;
-		new_dir->i_nlink++;
+		drop_nlink(old_dir);
+		inc_nlink(new_dir);
 	}
 
 	old_dir->i_ctime = old_dir->i_mtime = new_dir->i_ctime =
@@ -332,17 +332,9 @@ int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 int simple_readpage(struct file *file, struct page *page)
 {
-	void *kaddr;
-
-	if (PageUptodate(page))
-		goto out;
-
-	kaddr = kmap_atomic(page, KM_USER0);
-	memset(kaddr, 0, PAGE_CACHE_SIZE);
-	kunmap_atomic(kaddr, KM_USER0);
+	clear_highpage(page);
 	flush_dcache_page(page);
 	SetPageUptodate(page);
-out:
 	unlock_page(page);
 	return 0;
 }