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From: Allison Henderson <allison.henderson@oracle.com>
To: linux-xfs@vger.kernel.org
Subject: [PATCH v2 16/27] xfsprogs: Add the parent pointer support to the superblock version 5.
Date: Sat,  9 Jun 2018 22:07:41 -0700	[thread overview]
Message-ID: <1528607272-11122-17-git-send-email-allison.henderson@oracle.com> (raw)
In-Reply-To: <1528607272-11122-1-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 de8b14a..05431b0 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -462,10 +462,12 @@ 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(
@@ -561,7 +563,8 @@ 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 86a379f..0c6f9fa 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -243,6 +243,7 @@ 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 e8dd463..1c5b6e7 100644
--- a/libxfs/xfs_sb.c
+++ b/libxfs/xfs_sb.c
@@ -940,6 +940,8 @@ 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:[~2018-06-10  5:10 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-10  5:07 [PATCH v2 00/27] xfsprogs: parent pointers v2 Allison Henderson
2018-06-10  5:07 ` [PATCH v2 01/27] xfsprogs: Move xfs_attr.h to libxfs Allison Henderson
2018-06-10  5:07 ` [PATCH v2 02/27] xfsprogs: Add helper function xfs_attr_try_sf_addname Allison Henderson
2018-06-10  5:07 ` [PATCH v2 03/27] xfsprogs: Add trans toggle to attr routines Allison Henderson
2018-06-10  7:02   ` Amir Goldstein
2018-06-10 16:19     ` Allison Henderson
2018-06-10  5:07 ` [PATCH v2 04/27] xfsprogs: Add attibute set and helper functions Allison Henderson
2018-06-10  5:07 ` [PATCH v2 05/27] xfsprogs: Add attibute remove " Allison Henderson
2018-06-10  5:07 ` [PATCH v2 06/27] xfsprogs: Set up infastructure for deferred attribute operations Allison Henderson
2018-06-10  5:07 ` [PATCH v2 07/27] xfsprogs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson
2018-06-10  5:07 ` [PATCH v2 08/27] xfsprogs: Remove all strlen calls in all xfs_attr_* functions for attr names Allison Henderson
2018-06-10  5:07 ` [PATCH v2 09/27] xfsprogs: get directory offset when adding directory name Allison Henderson
2018-06-10  5:07 ` [PATCH v2 10/27] xfsprogs: get directory offset when removing " Allison Henderson
2018-06-10  5:07 ` [PATCH v2 11/27] xfsprogs: get directory offset when replacing a " Allison Henderson
2018-06-10  5:07 ` [PATCH v2 12/27] xfsprogs: add parent pointer support to attribute code Allison Henderson
2018-06-10  5:07 ` [PATCH v2 13/27] xfsprogs: define parent pointer xattr format Allison Henderson
2018-06-10  5:07 ` [PATCH v2 14/27] xfsprogs: extent transaction reservations for parent attributes Allison Henderson
2018-06-10  5:07 ` [PATCH v2 15/27] xfsprogs: parent pointer attribute creation Allison Henderson
2018-06-10  5:07 ` Allison Henderson [this message]
2018-06-10  5:07 ` [PATCH v2 17/27] xfsprogs: Add helper function xfs_attr_list_context_init Allison Henderson
2018-06-10  5:07 ` [PATCH v2 18/27] xfsprogs: Add parent pointer ioctl Allison Henderson
2018-06-10  5:07 ` [PATCH v2 19/27] xfsprogs: Add delayed attributes error tag Allison Henderson
2018-06-11 17:28   ` Darrick J. Wong
2018-06-11 19:59     ` Allison Henderson
2018-06-10  5:07 ` [PATCH v2 20/27] xfsprogs: Add parent pointer flag to cmd Allison Henderson
2018-06-11 17:43   ` Darrick J. Wong
2018-06-11 20:00     ` Allison Henderson
2018-06-10  5:07 ` [PATCH v2 21/27] xfsprogs: Remove single byte array from struct parent Allison Henderson
2018-06-10 11:21   ` Amir Goldstein
2018-06-10 15:25     ` Allison Henderson
2018-06-10  5:07 ` [PATCH v2 22/27] xfsprogs: Add log item printing for ATTRI and ATTRD Allison Henderson
2018-06-10  5:07 ` [PATCH v2 23/27] xfsprogs: Do not use namechecks on parent pointers Allison Henderson
2018-06-11 18:00   ` Darrick J. Wong
2018-06-11 20:00     ` Allison Henderson
2018-06-11 20:23       ` Darrick J. Wong
2018-06-11 20:38         ` Allison Henderson
2018-06-10  5:07 ` [PATCH v2 24/27] xfsprogs: Add parent pointers to recreated inodes Allison Henderson
2018-06-10 11:27   ` Amir Goldstein
2018-06-10 17:19     ` Allison Henderson
2018-06-11 17:31       ` Darrick J. Wong
2018-06-11 18:06   ` Darrick J. Wong
2018-06-11 20:00     ` Allison Henderson
2018-06-10  5:07 ` [PATCH v2 25/27] xfsprogs: Add parent pointers during protofile creation Allison Henderson
2018-06-10 11:32   ` Amir Goldstein
2018-06-11 18:15   ` Darrick J. Wong
2018-06-11 19:58     ` Allison Henderson
2018-06-10  5:07 ` [PATCH v2 26/27] xfsprogs: implement the upper half of parent pointers Allison Henderson
2018-06-10 12:06   ` Amir Goldstein
2018-06-10  5:07 ` [PATCH v2 27/27] xfsprogs: Clean up old parent pointer definitions Allison Henderson
2018-06-11 18:20   ` Darrick J. Wong
2018-06-11 20:06     ` Allison Henderson

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