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-rw-r--r--fs/ecryptfs/mmap.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 392e721b50a3..7d85e64ea62f 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -533,7 +533,20 @@ static sector_t ecryptfs_bmap(struct address_space *mapping, sector_t block)
return block;
}
+#include <linux/buffer_head.h>
+
const struct address_space_operations ecryptfs_aops = {
+ /*
+ * XXX: This is pretty broken for multiple reasons: ecryptfs does not
+ * actually use buffer_heads, and ecryptfs will crash without
+ * CONFIG_BLOCK. But it matches the behavior before the default for
+ * address_space_operations without the ->set_page_dirty method was
+ * cleaned up, so this is the best we can do without maintainer
+ * feedback.
+ */
+#ifdef CONFIG_BLOCK
+ .set_page_dirty = __set_page_dirty_buffers,
+#endif
.writepage = ecryptfs_writepage,
.readpage = ecryptfs_readpage,
.write_begin = ecryptfs_write_begin,