diff mbox series

[01/20] xfsprogs: add parent pointer support to attribute code

Message ID 171069247688.2685643.4696633268276009013.stgit@frogsfrogsfrogs (mailing list archive)
State Superseded
Headers show
Series [01/20] xfsprogs: add parent pointer support to attribute code | expand

Commit Message

Darrick J. Wong March 17, 2024, 4:34 p.m. UTC 
From: Allison Henderson <allison.henderson@oracle.com>

Source kernel commit: 403a9dc2804baec57eb03a9c4ae14ba811f091e5

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 <tinguely@sgi.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>
---
 libxfs/xfs_attr.c       |    4 +++-
 libxfs/xfs_da_format.h  |    5 ++++-
 libxfs/xfs_log_format.h |    1 +
 3 files changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c
index 630065f1..4818eabb 100644
--- a/libxfs/xfs_attr.c
+++ b/libxfs/xfs_attr.c
@@ -922,11 +922,13 @@  xfs_attr_set(
 	struct xfs_inode	*dp = args->dp;
 	struct xfs_mount	*mp = dp->i_mount;
 	struct xfs_trans_res	tres;
-	bool			rsvd = (args->attr_filter & XFS_ATTR_ROOT);
+	bool			rsvd;
 	int			error, local;
 	int			rmt_blks = 0;
 	unsigned int		total;
 
+	rsvd = (args->attr_filter & (XFS_ATTR_ROOT | XFS_ATTR_PARENT)) != 0;
+
 	if (xfs_is_shutdown(dp->i_mount))
 		return -EIO;
 
diff --git a/libxfs/xfs_da_format.h b/libxfs/xfs_da_format.h
index 060e5c96..5434d4d5 100644
--- a/libxfs/xfs_da_format.h
+++ b/libxfs/xfs_da_format.h
@@ -714,12 +714,15 @@  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)
 
 /*
  * 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 16872972..9cbcba4b 100644
--- a/libxfs/xfs_log_format.h
+++ b/libxfs/xfs_log_format.h
@@ -974,6 +974,7 @@  struct xfs_icreate_log {
  */
 #define XFS_ATTRI_FILTER_MASK		(XFS_ATTR_ROOT | \
 					 XFS_ATTR_SECURE | \
+					 XFS_ATTR_PARENT | \
 					 XFS_ATTR_INCOMPLETE)
 
 /*