From: Andreas Gruenbacher <[email protected]>

Add a private pointer to struct iomap to allow filesystems to pass data
from iomap_begin to iomap_end.  Will be used by gfs2 for passing on the
on-disk inode buffer head.

Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
---
 include/linux/iomap.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 45f43865b0f0..1f36523d448a 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -57,6 +57,7 @@ struct iomap {
        struct block_device     *bdev;  /* block device for I/O */
        struct dax_device       *dax_dev; /* dax_dev for dax operations */
        void                    *inline_data;
+       void                    *private; /* filesystem private */
 
        /*
         * Called when finished processing a page in the mapping returned in
-- 
2.17.1

Reply via email to