From: Allison Henderson <allison.henderson@xxxxxxxxxx>
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@xxxxxxx>
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
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 --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)
/*
