mkfs: enable formatting with parent pointers
Enable parent pointer support in mkfs via the '-n parent' parameter.
Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
---
mkfs/xfs_mkfs.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 78d0ce5..b9a8b00 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -104,6 +104,7 @@ enum {
N_SIZE = 0,
N_VERSION,
N_FTYPE,
+ N_PARENT,
N_MAX_OPTS,
};
@@ -550,6 +551,7 @@ struct opt_params nopts = {
[N_SIZE] = "size",
[N_VERSION] = "version",
[N_FTYPE] = "ftype",
+ [N_PARENT] = "parent",
},
.subopt_params = {
{ .index = N_SIZE,
@@ -572,6 +574,12 @@ struct opt_params nopts = {
.maxval = 1,
.defaultval = 1,
},
+ { .index = N_PARENT,
+ .conflicts = { { NULL, LAST_CONFLICT } },
+ .minval = 0,
+ .maxval = 1,
+ .defaultval = 1,
+ },
},
};
@@ -876,7 +884,7 @@ usage( void )
/* log subvol */ [-l agnum=n,internal,size=num,logdev=xxx,version=n\n\
sunit=value|su=num,sectsize=num,lazy-count=0|1]\n\
/* label */ [-L label (maximum 12 characters)]\n\
-/* naming */ [-n size=num,version=2|ci,ftype=0|1]\n\
+/* naming */ [-n size=num,version=2|ci,ftype=0|1,parent=0|1]\n\
/* no-op info only */ [-N]\n\
/* prototype file */ [-p fname]\n\
/* quiet */ [-q]\n\
@@ -1615,6 +1623,9 @@ naming_opts_parser(
case N_FTYPE:
cli->sb_feat.dirftype = getnum(value, opts, subopt);
break;
+ case N_PARENT:
+ cli->sb_feat.parent_pointers = getnum(value, &nopts, N_PARENT);
+ break;
default:
return -EINVAL;
}
@@ -2887,6 +2898,8 @@ sb_set_features(
sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_RMAPBT;
if (fp->reflink)
sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_REFLINK;
+ if (fp->parent_pointers)
+ sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_PARENT;
/*
* Sparse inode chunk support has two main inode alignment requirements.
--
2.7.4
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