[PATCH 14/49] ext4: export iov_shorten from kernel for ext4's use

[Theodore Ts'o]

From: Eric Sandeen <sandeen@xxxxxxxxxx>

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

Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
 fs/read_write.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/read_write.c b/fs/read_write.c
index ea1f94c..dfaee3f 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -450,6 +450,7 @@ 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)
-- 
1.5.4.rc3.31.g1271-dirty

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