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xfs: add parent pointer support to attribute code

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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>
This commit is contained in:
Allison Henderson 2024-04-22 09:47:38 -07:00 committed by Darrick J. Wong
parent a64e013475
commit 98493ff878
3 changed files with 10 additions and 3 deletions
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9
fs/xfs/libxfs/xfs_da_format.h
View File

@ -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

1
fs/xfs/libxfs/xfs_log_format.h
View File

@ -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)
/*

3
fs/xfs/xfs_trace.h
View File

@ -91,7 +91,8 @@ struct xfs_exchrange;
#define XFS_ATTR_FILTER_FLAGS \
{ XFS_ATTR_ROOT, "ROOT" }, \
{ XFS_ATTR_SECURE, "SECURE" }, \
{ XFS_ATTR_INCOMPLETE, "INCOMPLETE" }
{ XFS_ATTR_INCOMPLETE, "INCOMPLETE" }, \
{ XFS_ATTR_PARENT, "PARENT" }
DECLARE_EVENT_CLASS(xfs_attr_list_class,
TP_PROTO(struct xfs_attr_list_context *ctx),