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authorEric Sandeen <sandeen@redhat.com>2008-01-28 23:58:27 -0500
committerTheodore Ts'o <tytso@mit.edu>2008-01-28 23:58:27 -0500
commit19295529db35381d46dbaf246f69b4e3b3393996 (patch)
tree0e4ace990776da02ce9dd3e54a0f9af787ebd4bc
parentcd2291a463c26f60b18e0d9b1901be236dd7f402 (diff)
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>
-rw-r--r--fs/read_write.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index c4d3d17923f..1c177f29e1b 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)