common/rc: add _scratch_{u}mount_idmapped() helpers

[xfstests-dev.git] / common / rc

diff --git a/common/rc b/common/rc
index 0ad592d67441caa65572a36d2b8259d6df5444f7..57ca42741dcfe758b58ca6c17e911e4cf1b1099b 100644 (file)
--- a/common/rc
+++ b/common/rc
@@ -342,6 +342,36 @@ _scratch_mount()
        _try_scratch_mount $* || _fail "mount failed"
 }
 
+_scratch_mount_idmapped()
+{
+       local type="$1"
+       local id="$2"
+
+       if [ "$type" = "u" ]; then
+               # This means root will be able to create files as uid %id in
+               # the underlying filesystem by going through the idmapped mount.
+               $here/src/idmapped-mounts/mount-idmapped --map-mount u:0:$id:1 \
+                                                        --map-mount u:$id:0:1 \
+                                                        --map-mount g:0:0:1 \
+                                                        "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
+       elif [ "$type" = "g" ]; then
+               # This means root will be able to create files as gid %id in
+               # the underlying filesystem by going through the idmapped mount.
+               $here/src/idmapped-mounts/mount-idmapped --map-mount g:0:$id:1 \
+                                                        --map-mount g:$id:0:1 \
+                                                        --map-mount u:0:0:1 \
+                                                        "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
+       elif [ "$type" = "b" ]; then
+               # This means root will be able to create files as uid and gid
+               # %id in the underlying filesystem by going through the idmapped mount.
+               $here/src/idmapped-mounts/mount-idmapped --map-mount b:0:$id:1 \
+                                                        --map-mount b:$id:0:1 \
+                                                        "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
+       else
+               _fail "usage: either \"u\" (uid), \"g\" (gid), or \"b\" (uid and gid) must be specified "
+       fi
+}
+
 _scratch_unmount()
 {
        case "$FSTYP" in
@@ -357,6 +387,11 @@ _scratch_unmount()
        esac
 }
 
+_scratch_umount_idmapped()
+{
+       $UMOUNT_PROG $SCRATCH_MNT
+}
+
 _scratch_remount()
 {
     local opts="$1"