Reiser4 can't be built as a module when EXPORT_UNUSED_SYMBOL is not set.
It's broken because reiser4_write_extent is calling
simple_prepare_write() and commit
4e02ed4b4a2fae34aae766a5bb93ae235f60adb8 scheduled it for unexporting.
Signed-off-by: Laurent Riffard <laurent.riffard@xxxxxxx>
---
fs/reiser4/plugin/item/extent_file_ops.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/reiser4/plugin/item/extent_file_ops.c b/fs/reiser4/plugin/item/extent_file_ops.c
index ef3744e..1eb1ab7 100644
--- a/fs/reiser4/plugin/item/extent_file_ops.c
+++ b/fs/reiser4/plugin/item/extent_file_ops.c
@@ -1059,8 +1059,9 @@ ssize_t reiser4_write_extent(struct file *file, struct inode * inode,
lock_page(page);
if (!PageUptodate(page) && to_page != PAGE_CACHE_SIZE)
- simple_prepare_write(file, page, page_off,
- page_off + to_page);
+ zero_user_segments(page, 0, page_off,
+ page_off + to_page,
+ PAGE_CACHE_SIZE);
written = filemap_copy_from_user(page, page_off, buf, to_page);
if (unlikely(written != to_page)) {
--
1.6.0.4.3.g5bcce
--
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