Move check for low disk space to try_to_free_disk_space().

The value is only used there, so move the check to this function.

diff --git a/dss.c b/dss.c
index 40eccab2b993ccab5c2f83f85fe6e06c664c40c1..d7d3e1649d69b849e99cf221ecead9e5a8e61daa 100644 (file)
--- a/dss.c
+++ b/dss.c
@@ -433,14 +433,19 @@ static int rename_incomplete_snapshot(int64_t start)
        return ret;
 }
 
-static int try_to_free_disk_space(int low_disk_space)
+static int try_to_free_disk_space(void)
 {
        int ret;
        struct snapshot_list sl;
        struct snapshot *victim;
        struct timeval now;
        const char *why;
+       int low_disk_space;
 
+       ret = disk_space_low();
+       if (ret < 0)
+               return ret;
+       low_disk_space = ret;
        gettimeofday(&now, NULL);
        if (tv_diff(&next_removal_check, &now, NULL) > 0)
                return 0;
@@ -1006,7 +1011,6 @@ static int select_loop(void)
 
        for (;;) {
                fd_set rfds;
-               int low_disk_space;
                struct timeval *tvp;
 
                if (remove_pid)
@@ -1041,11 +1045,7 @@ static int select_loop(void)
                                goto out;
                        continue;
                }
-               ret = disk_space_low();
-               if (ret < 0)
-                       goto out;
-               low_disk_space = ret;
-               ret = try_to_free_disk_space(low_disk_space);
+               ret = try_to_free_disk_space();
                if (ret < 0)
                        goto out;
                if (snapshot_removal_status != HS_READY) {