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From: Allison Henderson <allison.henderson@oracle.com>
To: linux-xfs@vger.kernel.org
Subject: [PATCH v3 20/30] xfsprogs: Add the parent pointer support to the superblock version 5.
Date: Wed, 26 Sep 2018 03:23:23 -0700	[thread overview]
Message-ID: <1537957413-10630-21-git-send-email-allison.henderson@oracle.com> (raw)
In-Reply-To: <1537957413-10630-1-git-send-email-allison.henderson@oracle.com>

[dchinner: forward ported and cleaned up]
[achender: rebased and added parent pointer attribute to
           compatible attributes mask]

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>
---
 libxfs/xfs_format.h | 7 +++++--
 libxfs/xfs_fs.h     | 1 +
 libxfs/xfs_sb.c     | 2 ++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index d00dd0a..0eb01c1 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -453,10 +453,12 @@ xfs_sb_has_compat_feature(
 #define XFS_SB_FEAT_RO_COMPAT_FINOBT   (1 << 0)		/* free inode btree */
 #define XFS_SB_FEAT_RO_COMPAT_RMAPBT   (1 << 1)		/* reverse map btree */
 #define XFS_SB_FEAT_RO_COMPAT_REFLINK  (1 << 2)		/* reflinked files */
+#define XFS_SB_FEAT_RO_COMPAT_PARENT	(1 << 3)		/* parent inode ptr */
 #define XFS_SB_FEAT_RO_COMPAT_ALL \
 		(XFS_SB_FEAT_RO_COMPAT_FINOBT | \
 		 XFS_SB_FEAT_RO_COMPAT_RMAPBT | \
-		 XFS_SB_FEAT_RO_COMPAT_REFLINK)
+		 XFS_SB_FEAT_RO_COMPAT_REFLINK| \
+		 XFS_SB_FEAT_RO_COMPAT_PARENT)
 #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN	~XFS_SB_FEAT_RO_COMPAT_ALL
 static inline bool
 xfs_sb_has_ro_compat_feature(
@@ -552,7 +554,8 @@ static inline bool xfs_sb_version_hasreflink(struct xfs_sb *sbp)
 
 static inline bool xfs_sb_version_hasparent(struct xfs_sb *sbp)
 {
-	return false; /* We'll enable this at the end of the set */
+	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
+		(sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_PARENT));
 }
 
 /*
diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index c8a3b12..407cd61 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -231,6 +231,7 @@ typedef struct xfs_fsop_resblks {
 #define XFS_FSOP_GEOM_FLAGS_SPINODES	0x40000	/* sparse inode chunks	*/
 #define XFS_FSOP_GEOM_FLAGS_RMAPBT	0x80000	/* reverse mapping btree */
 #define XFS_FSOP_GEOM_FLAGS_REFLINK	0x100000 /* files can share blocks */
+#define XFS_FSOP_GEOM_FLAGS_PARENT	0x200000 /* parent pointers */
 
 /*
  * Minimum and maximum sizes need for growth checks.
diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c
index 93584fa..dc70708 100644
--- a/libxfs/xfs_sb.c
+++ b/libxfs/xfs_sb.c
@@ -1125,6 +1125,8 @@ xfs_fs_geometry(
 		geo->flags |= XFS_FSOP_GEOM_FLAGS_RMAPBT;
 	if (xfs_sb_version_hasreflink(sbp))
 		geo->flags |= XFS_FSOP_GEOM_FLAGS_REFLINK;
+	if(xfs_sb_version_hasparent(sbp))
+		geo->flags |= XFS_FSOP_GEOM_FLAGS_PARENT;
 	if (xfs_sb_version_hassector(sbp))
 		geo->logsectsize = sbp->sb_logsectsize;
 	else
-- 
2.7.4

  parent reply	other threads:[~2018-09-26 16:38 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-26 10:23 [PATCH v3 00/30] xfsprogs: parent pointers v2 Allison Henderson
2018-09-26 10:23 ` [PATCH v3 01/30] xfsprogs: Move xfs_attr.h to libxfs Allison Henderson
2018-09-26 10:23 ` [PATCH v3 02/30] xfsprogs: Add helper function xfs_attr_try_sf_addname Allison Henderson
2018-09-26 10:23 ` [PATCH v3 03/30] xfsprogs: Add attibute set and helper functions Allison Henderson
2018-09-26 10:23 ` [PATCH v3 04/30] xfsprogs: Add attibute remove " Allison Henderson
2018-09-26 10:23 ` [PATCH v3 05/30] xfsprogs: Add trans toggle to attr routines Allison Henderson
2018-09-26 10:23 ` [PATCH v3 06/30] xfsprogs: Set up infastructure for deferred attribute operations Allison Henderson
2018-09-26 10:23 ` [PATCH v3 07/30] xfsprogs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson
2018-09-26 10:23 ` [PATCH v3 08/30] xfsprogs: Add xfs_has_attr and subroutines Allison Henderson
2018-09-26 10:23 ` [PATCH v3 09/30] xfsprogs: Add attr context to log item Allison Henderson
2018-09-26 10:23 ` [PATCH v3 10/30] xfsprogs: Roll delayed attr operations by returning EAGAIN Allison Henderson
2018-09-26 10:23 ` [PATCH v3 11/30] xfsprogs: Remove roll_trans boolean Allison Henderson
2018-09-26 10:23 ` [PATCH v3 12/30] xfsprogs: Remove all strlen calls in all xfs_attr_* functions for attr names Allison Henderson
2018-09-26 10:23 ` [PATCH v3 13/30] xfsprogs: get directory offset when adding directory name Allison Henderson
2018-09-26 10:23 ` [PATCH v3 14/30] xfsprogs: get directory offset when removing " Allison Henderson
2018-09-26 10:23 ` [PATCH v3 15/30] xfsprogs: get directory offset when replacing a " Allison Henderson
2018-09-26 10:23 ` [PATCH v3 16/30] xfsprogs: add parent pointer support to attribute code Allison Henderson
2018-09-26 10:23 ` [PATCH v3 17/30] xfsprogs: define parent pointer xattr format Allison Henderson
2018-09-26 10:23 ` [PATCH v3 18/30] xfsprogs: extent transaction reservations for parent attributes Allison Henderson
2018-09-26 10:23 ` [PATCH v3 19/30] xfsprogs: parent pointer attribute creation Allison Henderson
2018-09-26 10:23 ` Allison Henderson [this message]
2018-09-26 10:23 ` [PATCH v3 21/30] xfsprogs: Add helper function xfs_attr_list_context_init Allison Henderson
2018-09-26 10:23 ` [PATCH v3 22/30] xfsprogs: Add parent pointer ioctl Allison Henderson
2018-09-26 10:23 ` [PATCH v3 23/30] xfs_io: Add delayed attributes error tag Allison Henderson
2018-09-26 10:23 ` [PATCH v3 24/30] xfsprogs: Add parent pointer flag to cmd Allison Henderson
2018-09-26 10:23 ` [PATCH v3 25/30] xfsprogs: Add log item printing for ATTRI and ATTRD Allison Henderson
2018-09-26 10:23 ` [PATCH v3 26/30] xfsprogs: Add xfs_verify_pptr Allison Henderson
2018-09-26 10:23 ` [PATCH v3 27/30] xfsprogs: Add parent pointers to recreated inodes Allison Henderson
2018-09-26 10:23 ` [PATCH v3 28/30] xfsprogs: Add parent pointers during protofile creation Allison Henderson
2018-09-26 10:23 ` [PATCH v3 29/30] xfsprogs: implement the upper half of parent pointers Allison Henderson
2018-09-26 10:23 ` [PATCH v3 30/30] xfsprogs: Add i, n and f flags to parent command Allison Henderson

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