1 files changed, 15 insertions, 3 deletions

diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 87ac1891a185..7943ff11d489 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -849,13 +849,14 @@ int hostfs_permission(struct inode *ino, int desired)
 
 int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
 {
+        struct inode *inode = dentry->d_inode;
         struct hostfs_iattr attrs;
         char *name;
         int err;
 
-        int fd = HOSTFS_I(dentry->d_inode)->fd;
+        int fd = HOSTFS_I(inode)->fd;
 
-        err = inode_change_ok(dentry->d_inode, attr);
+        err = inode_change_ok(inode, attr);
         if (err)
                 return err;
 
@@ -905,7 +906,18 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
         if (err)
                 return err;
 
-        return inode_setattr(dentry->d_inode, attr);
+        if ((attr->ia_valid & ATTR_SIZE) &&
+            attr->ia_size != i_size_read(inode)) {
+                int error;
+
+                error = vmtruncate(inode, attr->ia_size);
+                if (err)
+                        return err;
+        }
+
+        setattr_copy(inode, attr);
+        mark_inode_dirty(inode);
+        return 0;
 }
 
 static const struct inode_operations hostfs_iops = {