1 files changed, 27 insertions, 2 deletions

diff --git a/fs/udf/file.c b/fs/udf/file.c
index b80cbd78833c..4b6a46ccbf46 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -34,6 +34,7 @@
 #include <linux/errno.h>
 #include <linux/smp_lock.h>
 #include <linux/pagemap.h>
+#include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/aio.h>
 
@@ -196,6 +197,7 @@ static int udf_release_file(struct inode *inode, struct file *filp)
                 mutex_lock(&inode->i_mutex);
                 lock_kernel();
                 udf_discard_prealloc(inode);
+                udf_truncate_tail_extent(inode);
                 unlock_kernel();
                 mutex_unlock(&inode->i_mutex);
         }
@@ -206,7 +208,7 @@ const struct file_operations udf_file_operations = {
         .read                   = do_sync_read,
         .aio_read               = generic_file_aio_read,
         .ioctl                  = udf_ioctl,
-        .open                   = generic_file_open,
+        .open                   = dquot_file_open,
         .mmap                   = generic_file_mmap,
         .write                  = do_sync_write,
         .aio_write              = udf_file_aio_write,
@@ -216,6 +218,29 @@ const struct file_operations udf_file_operations = {
         .llseek                 = generic_file_llseek,
 };
 
+int udf_setattr(struct dentry *dentry, struct iattr *iattr)
+{
+        struct inode *inode = dentry->d_inode;
+        int error;
+
+        error = inode_change_ok(inode, iattr);
+        if (error)
+                return error;
+
+        if (iattr->ia_valid & ATTR_SIZE)
+                dquot_initialize(inode);
+
+        if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
+            (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
+                error = dquot_transfer(inode, iattr);
+                if (error)
+                        return error;
+        }
+
+        return inode_setattr(inode, iattr);
+}
+
 const struct inode_operations udf_file_inode_operations = {
-        .truncate = udf_truncate,
+        .truncate               = udf_truncate,
+        .setattr                = udf_setattr,
 };