Signed-off-by: Sage Weil <sage@newdream.net>
* Then, we have something like
*
* 1: A B
- * 2: B alive_thru[B]=0
+ * 2: B up_thru[B]=0
* 3:
* 4: A
*
* or,
*
* 1: A B
- * 2: B alive_thru[B]=0
- * 3: B alive_thru[B]=2
+ * 2: B up_thru[B]=0
+ * 3: B up_thru[B]=2
* 4:
* 5: A
*
* -> we must wait for B, bc it was alive through 2, and could have
- written to the pg.
+ * written to the pg.
*
* If B is really dead, then an administrator will need to manually
* intervene by marking the OSD as "lost."