diff mbox series

[055/115] xfs: add parent pointer support to attribute code

Message ID 172229843217.1338752.13633317236906999474.stgit@frogsfrogsfrogs (mailing list archive)
State Accepted, archived
Headers show
Series [001/115] xfs: pass xfs_buf lookup flags to xfs_*read_agi | expand

Commit Message

Darrick J. Wong July 30, 2024, 12:38 a.m. UTC 
From: Allison Henderson <allison.henderson@oracle.com>

Source kernel commit: 98493ff878859eb0adefbc57a49ad47a92dfd252

Add the new parent attribute type. XFS_ATTR_PARENT is used only for parent pointer
entries; it uses reserved blocks like XFS_ATTR_ROOT.

Signed-off-by: Mark Tinguely <mark.tinguely@oracle.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 libxfs/xfs_da_format.h  |    9 +++++++--
 libxfs/xfs_log_format.h |    1 +
 2 files changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/libxfs/xfs_da_format.h b/libxfs/xfs_da_format.h
index ecd0616f5..0c80f7ab9 100644
--- a/libxfs/xfs_da_format.h
+++ b/libxfs/xfs_da_format.h
@@ -714,13 +714,17 @@  struct xfs_attr3_leafblock {
 #define	XFS_ATTR_LOCAL_BIT	0	/* attr is stored locally */
 #define	XFS_ATTR_ROOT_BIT	1	/* limit access to trusted attrs */
 #define	XFS_ATTR_SECURE_BIT	2	/* limit access to secure attrs */
+#define	XFS_ATTR_PARENT_BIT	3	/* parent pointer attrs */
 #define	XFS_ATTR_INCOMPLETE_BIT	7	/* attr in middle of create/delete */
 #define XFS_ATTR_LOCAL		(1u << XFS_ATTR_LOCAL_BIT)
 #define XFS_ATTR_ROOT		(1u << XFS_ATTR_ROOT_BIT)
 #define XFS_ATTR_SECURE		(1u << XFS_ATTR_SECURE_BIT)
+#define XFS_ATTR_PARENT		(1u << XFS_ATTR_PARENT_BIT)
 #define XFS_ATTR_INCOMPLETE	(1u << XFS_ATTR_INCOMPLETE_BIT)
 
-#define XFS_ATTR_NSP_ONDISK_MASK	(XFS_ATTR_ROOT | XFS_ATTR_SECURE)
+#define XFS_ATTR_NSP_ONDISK_MASK	(XFS_ATTR_ROOT | \
+					 XFS_ATTR_SECURE | \
+					 XFS_ATTR_PARENT)
 
 #define XFS_ATTR_ONDISK_MASK	(XFS_ATTR_NSP_ONDISK_MASK | \
 				 XFS_ATTR_LOCAL | \
@@ -729,7 +733,8 @@  struct xfs_attr3_leafblock {
 #define XFS_ATTR_NAMESPACE_STR \
 	{ XFS_ATTR_LOCAL,	"local" }, \
 	{ XFS_ATTR_ROOT,	"root" }, \
-	{ XFS_ATTR_SECURE,	"secure" }
+	{ XFS_ATTR_SECURE,	"secure" }, \
+	{ XFS_ATTR_PARENT,	"parent" }
 
 /*
  * Alignment for namelist and valuelist entries (since they are mixed
diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h
index accba2acd..020aebd10 100644
--- a/libxfs/xfs_log_format.h
+++ b/libxfs/xfs_log_format.h
@@ -1034,6 +1034,7 @@  struct xfs_icreate_log {
  */
 #define XFS_ATTRI_FILTER_MASK		(XFS_ATTR_ROOT | \
 					 XFS_ATTR_SECURE | \
+					 XFS_ATTR_PARENT | \
 					 XFS_ATTR_INCOMPLETE)
 
 /*