From: Andre Noll <maan@systemlinux.org>
Date: Thu, 5 Mar 2009 09:38:39 +0000 (+0100)
Subject: Introduce the snapshot removal status.
X-Git-Tag: v0.1.3~19
X-Git-Url: http://git.tuebingen.mpg.de/?p=dss.git;a=commitdiff_plain;h=56cb4048819e7c6ed00cd5723b823f3bb92c1d61

Introduce the snapshot removal status.

It is not yet used, but we need something like that for the remove-hooks.
---

diff --git a/dss.c b/dss.c
index fd876e5..2660348 100644
--- a/dss.c
+++ b/dss.c
@@ -54,6 +54,8 @@ static int64_t current_snapshot_creation_time;
 static char *path_to_last_complete_snapshot;
 /** \sa \ref snap.h for details. */
 static unsigned snapshot_creation_status;
+/** \sa \ref snap.h for details. */
+static unsigned snapshot_removal_status;
 
 
 DEFINE_DSS_ERRLIST;
diff --git a/snap.h b/snap.h
index afac5e9..7ac951f 100644
--- a/snap.h
+++ b/snap.h
@@ -22,6 +22,20 @@ enum {
 	SCS_POST_HOOK_RUNNING,
 };
 
+/** The state of snapshot removal. */
+enum {
+	/** No snapshot is currently being removed. */
+	SRS_READY,
+	/** The pre-removal hook has been started. */
+	SRS_PRE_HOOK_RUNNING,
+	/** The pre-remove hook failed, we're waiting to execute it again. */
+	SRS_PRE_HOOK_FAILURE,
+	/** The rm command is currently executing. */
+	SRS_RM_RUNNING,
+	/** The post-remove hook ist running. */
+	SRS_POST_HOOK_RUNNING,
+};
+
 /**
  * The status of a snapshot.
  *