be safer, keep more leafs around

[distro-setup] / mount-latest-subvol

diff --git a/mount-latest-subvol b/mount-latest-subvol
index 449297f938e83fdb73424aeefbe45af3f8bf7a88..4c1ee2f6b1ca1ae1239062d5fe329f2b20bb983a 100644 (file)
--- a/mount-latest-subvol
+++ b/mount-latest-subvol
@@ -415,12 +415,12 @@ for vol in ${all_vols[@]}; do
     leaf_vols=($vol.leaf.*)
     count=${#leaf_vols[@]}
     leaf_limit_time=$(( EPOCHSECONDS - 60*60*24*60 )) # 60 days
-    leaf_new_limit_time=$(( EPOCHSECONDS - 60*60*24 )) # 1 day
-    # this goes backwards from oldest. leaf_new_limit_time is just in case
-    # the order gets screwed up or something.
+    leaf_new_limit_time=$(( EPOCHSECONDS - 60*60*24 * 5 )) # 5 days this
+    # goes backwards from oldest. leaf_new_limit_time is a safety
+    # measure to ensure we don't delete very recent leafs.
     for leaf in ${leaf_vols[@]}; do
       leaf_time=$(date -d ${leaf#"$vol".leaf.} +%s)
-      if (( leaf_limit_time > leaf_time || ( leaf_new_limit_time > leaf_time && count > 15 ) )); then
+      if (( leaf_limit_time > leaf_time || ( leaf_new_limit_time > leaf_time && count > 30 ) )); then
         x btrfs sub del $leaf
       fi
       count=$((count-1))