From 19295529db35381d46dbaf246f69b4e3b3393996 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 28 Jan 2008 23:58:27 -0500
Subject: [PATCH] ext4: export iov_shorten from kernel for ext4's use

Export iov_shorten() from kernel so that ext4 can
truncate too-large writes to bitmapped files.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---
 fs/read_write.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/read_write.c b/fs/read_write.c
index c4d3d17923f1..1c177f29e1b7 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -446,6 +446,7 @@ unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to)
 	}
 	return seg;
 }
+EXPORT_SYMBOL(iov_shorten);
 
 ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov,
 		unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn)
-- 
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