get rid of block_write_begin_newtrunc

[pandora-kernel.git] / fs / udf / inode.c

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 124852b..ecddcc2 100644 (file)
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -127,9 +127,16 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
                        loff_t pos, unsigned len, unsigned flags,
                        struct page **pagep, void **fsdata)
 {
-       *pagep = NULL;
-       return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-                               udf_get_block);
+       int ret;
+
+       ret = block_write_begin(mapping, pos, len, flags, pagep, udf_get_block);
+       if (unlikely(ret)) {
+               loff_t isize = mapping->host->i_size;
+               if (pos + len > isize)
+                       vmtruncate(mapping->host, isize);
+       }
+
+       return ret;
 }
 
 static sector_t udf_bmap(struct address_space *mapping, sector_t block)