3 files changed, 17 insertions, 11 deletions

diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index c1516d013bf6..67bca0d4a33b 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -69,6 +69,7 @@ extern int read_file(int fd, unsigned long long *offset, char *buf, int len);
 extern int write_file(int fd, unsigned long long *offset, const char *buf,
 		      int len);
 extern int lseek_file(int fd, long long offset, int whence);
+extern int fsync_file(int fd, int datasync);
 extern int file_create(char *name, int ur, int uw, int ux, int gr,
 		       int gw, int gx, int or, int ow, int ox);
 extern int set_attr(const char *file, struct hostfs_iattr *attrs);
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 4bf43ea87c46..b2d18200a003 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -15,7 +15,6 @@
 #include <linux/pagemap.h>
 #include <linux/blkdev.h>
 #include <linux/list.h>
-#include <linux/root_dev.h>
 #include <linux/statfs.h>
 #include <linux/kdev_t.h>
 #include <asm/uaccess.h>
@@ -160,8 +159,6 @@ static int read_name(struct inode *ino, char *name)
 	ino->i_size = i_size;
 	ino->i_blksize = i_blksize;
 	ino->i_blocks = i_blocks;
-	if((ino->i_sb->s_dev == ROOT_DEV) && (ino->i_uid == getuid()))
-		ino->i_uid = 0;
 	return(0);
 }
 
@@ -385,7 +382,7 @@ int hostfs_file_open(struct inode *ino, struct file *file)
 
 int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 {
-	return(0);
+	return fsync_file(HOSTFS_I(dentry->d_inode)->fd, datasync);
 }
 
 static struct file_operations hostfs_file_fops = {
@@ -841,16 +838,10 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
 		attrs.ia_mode = attr->ia_mode;
 	}
 	if(attr->ia_valid & ATTR_UID){
-		if((dentry->d_inode->i_sb->s_dev == ROOT_DEV) &&
-		   (attr->ia_uid == 0))
-			attr->ia_uid = getuid();
 		attrs.ia_valid |= HOSTFS_ATTR_UID;
 		attrs.ia_uid = attr->ia_uid;
 	}
 	if(attr->ia_valid & ATTR_GID){
-		if((dentry->d_inode->i_sb->s_dev == ROOT_DEV) &&
-		   (attr->ia_gid == 0))
-			attr->ia_gid = getgid();
 		attrs.ia_valid |= HOSTFS_ATTR_GID;
 		attrs.ia_gid = attr->ia_gid;
 	}
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
index 4796e8490f7d..b97809deba66 100644
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -153,10 +153,24 @@ int lseek_file(int fd, long long offset, int whence)
 	int ret;
 
 	ret = lseek64(fd, offset, whence);
-	if(ret < 0) return(-errno);
+	if(ret < 0)
+		return(-errno);
 	return(0);
 }
 
+int fsync_file(int fd, int datasync)
+{
+	int ret;
+	if (datasync)
+		ret = fdatasync(fd);
+	else
+		ret = fsync(fd);
+
+	if (ret < 0)
+		return -errno;
+	return 0;
+}
+
 void close_file(void *stream)
 {
 	close(*((int *) stream));