From: Jeff Mahoney The other common disk-based file systems (I checked ext[23], xfs, jfs) check to ensure that opens of files > 2 GB fail unless O_LARGEFILE is specified. They check via generic_file_open or their own open routine. ReiserFS doesn't have an f_op->open defined, and as such, it's possible to open files > 2 GB without O_LARGEFILE. This patch adds the f_op->open member to conform with the expected behavior. Signed-off-by: Jeff Mahoney Cc: Signed-off-by: Andrew Morton --- fs/reiserfs/file.c | 1 + 1 file changed, 1 insertion(+) diff -puN fs/reiserfs/file.c~reiserfs-use-generic_file_open-for-open-checks fs/reiserfs/file.c --- a/fs/reiserfs/file.c~reiserfs-use-generic_file_open-for-open-checks +++ a/fs/reiserfs/file.c @@ -1569,6 +1569,7 @@ const struct file_operations reiserfs_fi .write = reiserfs_file_write, .ioctl = reiserfs_ioctl, .mmap = generic_file_mmap, + .open = generic_file_open, .release = reiserfs_file_release, .fsync = reiserfs_sync_file, .sendfile = generic_file_sendfile, _