Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic...

[karo-tx-linux.git] / fs / udf / file.c

diff --git a/fs/udf/file.c b/fs/udf/file.c
index 94e06d6bddbd1fb973d7bd70b37664c485973529..66b9e7e7e4c5434a8e281d03eebbcce730426951 100644 (file)
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -36,7 +36,6 @@
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/aio.h>
-#include <linux/smp_lock.h>
 
 #include "udf_i.h"
 #include "udf_sb.h"
@@ -228,6 +227,28 @@ const struct file_operations udf_file_operations = {
        .llseek                 = generic_file_llseek,
 };
 
+static int udf_setattr(struct dentry *dentry, struct iattr *attr)
+{
+       struct inode *inode = dentry->d_inode;
+       int error;
+
+       error = inode_change_ok(inode, attr);
+       if (error)
+               return error;
+
+       if ((attr->ia_valid & ATTR_SIZE) &&
+           attr->ia_size != i_size_read(inode)) {
+               error = vmtruncate(inode, attr->ia_size);
+               if (error)
+                       return error;
+       }
+
+       setattr_copy(inode, attr);
+       mark_inode_dirty(inode);
+       return 0;
+}
+
 const struct inode_operations udf_file_inode_operations = {
+       .setattr                = udf_setattr,
        .truncate               = udf_truncate,
 };