ceph: add ceph.dir.layout vxattr
This virtual xattr will only appear when there is a dir layout policy
set on the directory. It can be set via setxattr and removed via
removexattr (implemented by the MDS).
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Sam Lang <sam.lang@inktank.com>
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 532c95a..f3c4fe7 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -142,6 +142,14 @@
}
static struct ceph_vxattr ceph_dir_vxattrs[] = {
+ {
+ .name = "ceph.dir.layout",
+ .name_size = sizeof("ceph.dir.layout"),
+ .getxattr_cb = ceph_vxattrcb_layout,
+ .readonly = false,
+ .hidden = false,
+ .exists_cb = ceph_vxattrcb_layout_exists,
+ },
XATTR_NAME_CEPH(dir, entries),
XATTR_NAME_CEPH(dir, files),
XATTR_NAME_CEPH(dir, subdirs),
