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try_to_free_disk_space(): Explain what is going on.
author
Andre Noll
<maan@tuebingen.mpg.de>
Tue, 29 Dec 2015 15:27:06 +0000
(15:27 +0000)
committer
Andre Noll
<maan@tuebingen.mpg.de>
Thu, 3 Mar 2016 14:34:48 +0000
(15:34 +0100)
This adds a comment which explains the conditions that must be
satisfied to get to this point in the function.
dss.c
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diff --git
a/dss.c
b/dss.c
index 07a60425170ddab063ee6071d4901993a9db8c62..979ff132b04c30f233a7e05b59d05ea5b0e4ed07 100644
(file)
--- a/
dss.c
+++ b/
dss.c
@@
-606,6
+606,10
@@
static int try_to_free_disk_space(void)
if (next_snapshot_is_due())
return 0;
}
+ /*
+ * Idle and --keep_redundant not given, or low disk space. Look at
+ * existing snapshots.
+ */
dss_get_snapshot_list(&sl);
ret = 0;
if (!low_disk_space && sl.num_snapshots <= 1)