[PATCH] VFS: change struct file to use struct path

This patch changes struct file to use struct path instead of having
independent pointers to struct dentry and struct vfsmount, and converts all
users of f_{dentry,vfsmnt} in fs/ to use f_path.{dentry,mnt}.

Additionally, it adds two #define's to make the transition easier for users of
the f_dentry and f_vfsmnt.

Signed-off-by: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 13 insertions, 13 deletions

diff --git a/fs/open.c b/fs/open.c
index 3b56192..0d94319 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -165,7 +165,7 @@ asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user * buf)
 	file = fget(fd);
 	if (!file)
 		goto out;
-	error = vfs_statfs_native(file->f_dentry, &tmp);
+	error = vfs_statfs_native(file->f_path.dentry, &tmp);
 	if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
 		error = -EFAULT;
 	fput(file);
@@ -186,7 +186,7 @@ asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user
 	file = fget(fd);
 	if (!file)
 		goto out;
-	error = vfs_statfs64(file->f_dentry, &tmp);
+	error = vfs_statfs64(file->f_path.dentry, &tmp);
 	if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
 		error = -EFAULT;
 	fput(file);
@@ -302,7 +302,7 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
 	if (file->f_flags & O_LARGEFILE)
 		small = 0;
 
-	dentry = file->f_dentry;
+	dentry = file->f_path.dentry;
 	inode = dentry->d_inode;
 	error = -EINVAL;
 	if (!S_ISREG(inode->i_mode) || !(file->f_mode & FMODE_WRITE))
@@ -448,8 +448,8 @@ asmlinkage long sys_fchdir(unsigned int fd)
 	if (!file)
 		goto out;
 
-	dentry = file->f_dentry;
-	mnt = file->f_vfsmnt;
+	dentry = file->f_path.dentry;
+	mnt = file->f_path.mnt;
 	inode = dentry->d_inode;
 
 	error = -ENOTDIR;
@@ -503,7 +503,7 @@ asmlinkage long sys_fchmod(unsigned int fd, mode_t mode)
 	if (!file)
 		goto out;
 
-	dentry = file->f_dentry;
+	dentry = file->f_path.dentry;
 	inode = dentry->d_inode;
 
 	audit_inode(NULL, inode);
@@ -662,7 +662,7 @@ asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group)
 	if (!file)
 		goto out;
 
-	dentry = file->f_dentry;
+	dentry = file->f_path.dentry;
 	audit_inode(NULL, dentry->d_inode);
 	error = chown_common(dentry, user, group);
 	fput(file);
@@ -688,8 +688,8 @@ static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt,
 	}
 
 	f->f_mapping = inode->i_mapping;
-	f->f_dentry = dentry;
-	f->f_vfsmnt = mnt;
+	f->f_path.dentry = dentry;
+	f->f_path.mnt = mnt;
 	f->f_pos = 0;
 	f->f_op = fops_get(inode->i_fop);
 	file_move(f, &inode->i_sb->s_files);
@@ -723,8 +723,8 @@ cleanup_all:
 	if (f->f_mode & FMODE_WRITE)
 		put_write_access(inode);
 	file_kill(f);
-	f->f_dentry = NULL;
-	f->f_vfsmnt = NULL;
+	f->f_path.dentry = NULL;
+	f->f_path.mnt = NULL;
 cleanup_file:
 	put_filp(f);
 	dput(dentry);
@@ -822,7 +822,7 @@ struct file *nameidata_to_filp(struct nameidata *nd, int flags)
 	/* Pick up the filp from the open intent */
 	filp = nd->intent.open.file;
 	/* Has the filesystem initialised the file for us? */
-	if (filp->f_dentry == NULL)
+	if (filp->f_path.dentry == NULL)
 		filp = __dentry_open(nd->dentry, nd->mnt, flags, filp, NULL);
 	else
 		path_release(nd);
@@ -965,7 +965,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, int mode)
 				put_unused_fd(fd);
 				fd = PTR_ERR(f);
 			} else {
-				fsnotify_open(f->f_dentry);
+				fsnotify_open(f->f_path.dentry);
 				fd_install(fd, f);
 			}
 		}