MIPS: Replace deprecated spinlock initialization

[mv-sheeva.git] / fs / ioctl.c

diff --git a/fs/ioctl.c b/fs/ioctl.c
index a59635e295facb69265797bc660c823ffa456b3c..1eebeb72b20276191fcad6199d8bf0b79a4d9921 100644 (file)
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -273,6 +273,13 @@ int __generic_block_fiemap(struct inode *inode,
                len = isize;
        }
 
+       /*
+        * Some filesystems can't deal with being asked to map less than
+        * blocksize, so make sure our len is at least block length.
+        */
+       if (logical_to_blk(inode, len) == 0)
+               len = blk_to_logical(inode, 1);
+
        start_blk = logical_to_blk(inode, start);
        last_blk = logical_to_blk(inode, start + len - 1);