[PATCH 06/17] splice: Export filemap/direct_splice_read()

David Howells
2023-02-16T21:50:06Z

filemap_splice_read() and direct_splice_read() should be exported.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Jens Axboe <axboe@kernel.dk>
cc: Christoph Hellwig <hch@lst.de>
cc: Al Viro <viro@zeniv.linux.org.uk>
cc: David Hildenbrand <david@redhat.com>
cc: John Hubbard <jhubbard@nvidia.com>
cc: linux-cifs@vger.kernel.org
cc: linux-mm@kvack.org
cc: linux-block@vger.kernel.org
cc: linux-fsdevel@vger.kernel.org
---
fs/splice.c | 1 +
mm/filemap.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/fs/splice.c b/fs/splice.c
index 4c6332854b63..928c7be2f318 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -373,6 +373,7 @@ ssize_t direct_splice_read(struct file *in, loff_t *ppos,
kfree(bv);
return ret;
}
+EXPORT_SYMBOL(direct_splice_read);

/**
* generic_file_splice_read - splice data from file to a pipe
diff --git a/mm/filemap.c b/mm/filemap.c
index 8c7b135c8e23..570f86578f7c 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2969,6 +2969,7 @@ ssize_t filemap_splice_read(struct file *in, loff_t *ppos,

return total_spliced ? total_spliced : error;
}
+EXPORT_SYMBOL(filemap_splice_read);

static inline loff_t folio_seek_hole_data(struct xa_state *xas,
struct address_space *mapping, struct folio *folio,