From: Zhang Yi <yi.zhang@xxxxxxxxxx>
Add a private parameter to iomap_ioend structure, letting filesystems
can pass something they needed from .prepare_ioend() to IO end.
Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx>
---
fs/iomap/buffered-io.c | 1 +
include/linux/iomap.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 2bc0aa23fde3..fd4d43bafd1b 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1676,6 +1676,7 @@ iomap_alloc_ioend(struct inode *inode, struct iomap_writepage_ctx *wpc,
ioend->io_offset = offset;
ioend->io_bio = bio;
ioend->io_sector = sector;
+ ioend->io_private = NULL;
return ioend;
}
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 96dd0acbba44..8b3296a5474d 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -300,6 +300,7 @@ struct iomap_ioend {
sector_t io_sector; /* start sector of ioend */
struct bio *io_bio; /* bio being built */
struct bio io_inline_bio; /* MUST BE LAST! */
+ void *io_private; /* fs private pointer */
};
struct iomap_writeback_ops {
--
2.39.2
