Add a private data field to struct iomap_ioend so that the file system
can attach information to it. Zoned XFS will use this for a pointer to
the open zone.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/iomap/ioend.c | 1 +
include/linux/iomap.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/fs/iomap/ioend.c b/fs/iomap/ioend.c
index 44f254ecab55..18894ebba6db 100644
--- a/fs/iomap/ioend.c
+++ b/fs/iomap/ioend.c
@@ -23,6 +23,7 @@ struct iomap_ioend *iomap_init_ioend(struct inode *inode,
ioend->io_offset = file_offset;
ioend->io_size = bio->bi_iter.bi_size;
ioend->io_sector = bio->bi_iter.bi_sector;
+ ioend->io_private = NULL;
return ioend;
}
EXPORT_SYMBOL_GPL(iomap_init_ioend);
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 5768b9f2a1cc..b4be07e8ec94 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -370,6 +370,7 @@ struct iomap_ioend {
struct iomap_ioend *io_parent; /* parent for completions */
loff_t io_offset; /* offset in the file */
sector_t io_sector; /* start sector of ioend */
+ void *io_private; /* file system private data */
struct bio io_bio; /* MUST BE LAST! */
};
--
2.45.2
