[PATCH v5 17/25] xfsprogs: Add the parent pointer support to the superblock version 5.

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From: Allison Henderson <allison.henderson@xxxxxxxxxx>

Source kernel commit: 724321b7f1c737ce880ea0e6fa4422ad13c4d440

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 <darrick.wong@xxxxxxxxxx>
---
 libfrog/fsgeom.c    | 4 ++++
 libxfs/xfs_format.h | 4 +++-
 libxfs/xfs_fs.h     | 1 +
 libxfs/xfs_sb.c     | 4 ++++
 4 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/libfrog/fsgeom.c b/libfrog/fsgeom.c
index 3e7f0797d8bd..3bb753ac9e39 100644
--- a/libfrog/fsgeom.c
+++ b/libfrog/fsgeom.c
@@ -31,6 +31,7 @@ xfs_report_geom(
 	int			bigtime_enabled;
 	int			inobtcount;
 	int			nrext64;
+	int			parent;
 
 	isint = geo->logstart > 0;
 	lazycount = geo->flags & XFS_FSOP_GEOM_FLAGS_LAZYSB ? 1 : 0;
@@ -49,12 +50,14 @@ xfs_report_geom(
 	bigtime_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_BIGTIME ? 1 : 0;
 	inobtcount = geo->flags & XFS_FSOP_GEOM_FLAGS_INOBTCNT ? 1 : 0;
 	nrext64 = geo->flags & XFS_FSOP_GEOM_FLAGS_NREXT64 ? 1 : 0;
+	parent = geo->flags & XFS_FSOP_GEOM_FLAGS_PARENT ? 1 : 0;
 
 	printf(_(
 "meta-data=%-22s isize=%-6d agcount=%u, agsize=%u blks\n"
 "         =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n"
 "         =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u\n"
 "         =%-22s reflink=%-4u bigtime=%u inobtcount=%u nrext64=%u\n"
+"         =%-22s parent=%d\n"
 "data     =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n"
 "         =%-22s sunit=%-6u swidth=%u blks\n"
 "naming   =version %-14u bsize=%-6u ascii-ci=%d, ftype=%d\n"
@@ -65,6 +68,7 @@ xfs_report_geom(
 		"", geo->sectsize, attrversion, projid32bit,
 		"", crcs_enabled, finobt_enabled, spinodes, rmapbt_enabled,
 		"", reflink_enabled, bigtime_enabled, inobtcount, nrext64,
+		"", parent,
 		"", geo->blocksize, (unsigned long long)geo->datablocks,
 			geo->imaxpct,
 		"", geo->sunit, geo->swidth,
diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index b55bdfa9c8a8..0343f8586be3 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -373,13 +373,15 @@ xfs_sb_has_ro_compat_feature(
 #define XFS_SB_FEAT_INCOMPAT_BIGTIME	(1 << 3)	/* large timestamps */
 #define XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR (1 << 4)	/* needs xfs_repair */
 #define XFS_SB_FEAT_INCOMPAT_NREXT64	(1 << 5)	/* large extent counters */
+#define XFS_SB_FEAT_INCOMPAT_PARENT	(1 << 6)	/* parent pointers */
 #define XFS_SB_FEAT_INCOMPAT_ALL \
 		(XFS_SB_FEAT_INCOMPAT_FTYPE|	\
 		 XFS_SB_FEAT_INCOMPAT_SPINODES|	\
 		 XFS_SB_FEAT_INCOMPAT_META_UUID| \
 		 XFS_SB_FEAT_INCOMPAT_BIGTIME| \
 		 XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR| \
-		 XFS_SB_FEAT_INCOMPAT_NREXT64)
+		 XFS_SB_FEAT_INCOMPAT_NREXT64| \
+		 XFS_SB_FEAT_INCOMPAT_PARENT)
 
 #define XFS_SB_FEAT_INCOMPAT_UNKNOWN	~XFS_SB_FEAT_INCOMPAT_ALL
 static inline bool
diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 1cfd5bc6520a..b0b4d7a3aa15 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -237,6 +237,7 @@ typedef struct xfs_fsop_resblks {
 #define XFS_FSOP_GEOM_FLAGS_BIGTIME	(1 << 21) /* 64-bit nsec timestamps */
 #define XFS_FSOP_GEOM_FLAGS_INOBTCNT	(1 << 22) /* inobt btree counter */
 #define XFS_FSOP_GEOM_FLAGS_NREXT64	(1 << 23) /* large extent counters */
+#define XFS_FSOP_GEOM_FLAGS_PARENT	(1 << 24) /* parent pointers 	    */
 
 /*
  * Minimum and maximum sizes need for growth checks.
diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c
index fc33dc4a2a68..fc222fa1e0ac 100644
--- a/libxfs/xfs_sb.c
+++ b/libxfs/xfs_sb.c
@@ -171,6 +171,8 @@ xfs_sb_version_to_features(
 		features |= XFS_FEAT_NEEDSREPAIR;
 	if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_NREXT64)
 		features |= XFS_FEAT_NREXT64;
+	if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_PARENT)
+		features |= XFS_FEAT_PARENT;
 
 	return features;
 }
@@ -1185,6 +1187,8 @@ xfs_fs_geometry(
 		geo->flags |= XFS_FSOP_GEOM_FLAGS_BIGTIME;
 	if (xfs_has_inobtcounts(mp))
 		geo->flags |= XFS_FSOP_GEOM_FLAGS_INOBTCNT;
+	if (xfs_has_parent(mp))
+		geo->flags |= XFS_FSOP_GEOM_FLAGS_PARENT;
 	if (xfs_has_sector(mp)) {
 		geo->flags |= XFS_FSOP_GEOM_FLAGS_SECTOR;
 		geo->logsectsize = sbp->sb_logsectsize;
-- 
2.25.1




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