[PATCH 103/110] xfs: add a realtime flag to the bmap update log redo items

Darrick J. Wong
2024-03-26T03:55:18Z

From: Darrick J. Wong <djwong@kernel.org>

Source kernel commit: 7302cda7f8b08062b11d2ba9ae0b4f3871fe3d46

Extend the bmap update (BUI) log items with a new realtime flag that
indicates that the updates apply against a realtime file's data fork.
We'll wire up the actual code later.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
libxfs/xfs_log_format.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h
index 269573c82808..16872972e1e9 100644
--- a/libxfs/xfs_log_format.h
+++ b/libxfs/xfs_log_format.h
@@ -838,10 +838,12 @@ struct xfs_cud_log_format {

#define XFS_BMAP_EXTENT_ATTR_FORK (1U << 31)
#define XFS_BMAP_EXTENT_UNWRITTEN (1U << 30)
+#define XFS_BMAP_EXTENT_REALTIME (1U << 29)

#define XFS_BMAP_EXTENT_FLAGS (XFS_BMAP_EXTENT_TYPE_MASK | \
XFS_BMAP_EXTENT_ATTR_FORK | \
- XFS_BMAP_EXTENT_UNWRITTEN)
+ XFS_BMAP_EXTENT_UNWRITTEN | \
+ XFS_BMAP_EXTENT_REALTIME)

/*
* This is the structure used to lay out an bui log item in the