vfs_snapper: add get_quota function

This is in preparation for handling the quota part
of disk_free via the VFS - each module with a
disk_free_fn should also have a get_quota_fn.

Signed-off-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

diff --git a/source3/modules/vfs_snapper.c b/source3/modules/vfs_snapper.c
index ef8951d96ddbc5ec9f1a854f385821a947dafffd..cd7904c001177f2ffd94f61330ca0bc8203451c1 100644 (file)
--- a/source3/modules/vfs_snapper.c
+++ b/source3/modules/vfs_snapper.c
@@ -2767,6 +2767,39 @@ static uint64_t snapper_gmt_disk_free(vfs_handle_struct *handle,
        return ret;
 }
 
+static int snapper_gmt_get_quota(vfs_handle_struct *handle, const char *path,
+                                enum SMB_QUOTA_TYPE qtype, unid_t id,
+                                SMB_DISK_QUOTA *dq)
+{
+       time_t timestamp;
+       char *stripped;
+       int ret;
+       int saved_errno;
+       char *conv;
+
+       if (!snapper_gmt_strip_snapshot(talloc_tos(), handle, path, &timestamp,
+                                       &stripped)) {
+               return -1;
+       }
+       if (timestamp == 0) {
+               return SMB_VFS_NEXT_GET_QUOTA(handle, path, qtype, id, dq);
+       }
+
+       conv = snapper_gmt_convert(talloc_tos(), handle, stripped, timestamp);
+       TALLOC_FREE(stripped);
+       if (conv == NULL) {
+               return -1;
+       }
+
+       ret = SMB_VFS_NEXT_GET_QUOTA(handle, conv, qtype, id, dq);
+
+       saved_errno = errno;
+       TALLOC_FREE(conv);
+       errno = saved_errno;
+
+       return ret;
+}
+
 
 static struct vfs_fn_pointers snapper_fns = {
        .snap_check_path_fn = snapper_snap_check_path,
@@ -2775,6 +2808,7 @@ static struct vfs_fn_pointers snapper_fns = {
        .get_shadow_copy_data_fn = snapper_get_shadow_copy_data,
        .opendir_fn = snapper_gmt_opendir,
        .disk_free_fn = snapper_gmt_disk_free,
+       .get_quota_fn = snapper_gmt_get_quota,
        .rename_fn = snapper_gmt_rename,
        .link_fn = snapper_gmt_link,
        .symlink_fn = snapper_gmt_symlink,