UDF currently doesn't set a llseek method for regular files, which
means it will fall back to default_llseek. This means no one can seek
beyond 2 Gigabytes on reiserfs, and that there's not protection vs
the i_size updates from writers.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: linux-2.6/fs/udf/file.c
===================================================================
--- linux-2.6.orig/fs/udf/file.c 2008-09-08 19:43:05.000000000 +0200
+++ linux-2.6/fs/udf/file.c 2008-09-08 19:43:18.000000000 +0200
@@ -211,6 +211,7 @@ const struct file_operations udf_file_op
.release = udf_release_file,
.fsync = udf_fsync_file,
.splice_read = generic_file_splice_read,
+ .llseek = generic_file_llseek,
};
const struct inode_operations udf_file_inode_operations = {
--
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