From: Christian Brauner <christian.brauner@xxxxxxxxxx>
They will be used in follow-up patches for xfs quota tests but might be
useful for other tests in the future.
Cc: Eryu Guan <guan@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: fstests@xxxxxxxxxxxxxxx
Signed-off-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
---
common/rc | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/common/rc b/common/rc
index a8b375a2..351996fc 100644
--- 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"
--
2.27.0
