X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=mount-latest-subvol;h=36895aa1612ad1d58bc923775d19887117fdf60f;hb=b857462732e15f455e41f26e3048a390d7b399c0;hp=be239ed139de5c2405125612ebeeaf374227224d;hpb=eb9b839bb5a91c60cc4f6eb9d7e38ffbf73f0e90;p=distro-setup

diff --git a/mount-latest-subvol b/mount-latest-subvol
index be239ed..36895aa 100644
--- a/mount-latest-subvol
+++ b/mount-latest-subvol
@@ -82,23 +82,25 @@ fstab() {
     done
 }
 kill-dir() {
-    found_pids=false
-    sig=${1:-TERM}
-    if pids=$(timeout 4 lsof -t $dir); then
-        found_pids=true
-        timeout 4 lsof -w $dir
-        kill -$sig $pids
-    fi
-    # fuser will find open sockets that lsof won't, for example from gpg-agent.
-    # note: -v shows kernel processes, which then doesn't return true when we want
-    if timeout 4 fuser -m $dir &>/dev/null; then
-        found_pids=true
-        fuser -$sig -mvk $dir
-    fi
-    if $found_pids; then
+    for sig; do
+        echo kill-dir $sig
+        found_pids=false
+        if pids=$(timeout 4 lsof -t $dir); then
+            found_pids=true
+            timeout 4 lsof -w $dir
+            kill -$sig $pids
+        fi
+        # fuser will find open sockets that lsof won't, for example from gpg-agent.
+        # note: -v shows kernel processes, which then doesn't return true when we want
+        if timeout 4 fuser -m $dir &>/dev/null; then
+            found_pids=true
+            fuser -$sig -mvk $dir
+        fi
         sleep .5
-        return 0
-    fi
+        if ! $found_pids; then
+            return 0
+        fi
+    done
     return 1
 }
 
@@ -117,10 +119,14 @@ EOF
 
 shopt -s nullglob
 
+# ssh and probably some other things care about parent directory
+# ownership, and ssh doesn\'t allow any group writable parent
+# directories, so we are forced to use a directory structure similar
+# to home directories
 f=(/mnt/root/btrbk/q.*)
 if [[ -e $f ]]; then
     fstab <<EOF
-$first_root_crypt  /q  btrfs  noatime,subvol=q  0 0
+$first_root_crypt  /q  btrfs  noatime,subvol=q,gid=1000  0 0
 /q/p  /p  none  bind  0 0
 EOF
 fi
@@ -188,7 +194,9 @@ for vol in q a o i; do
             if e umount -R $dir; then
                 unmounted+=($dir)
             else
-                kill-dir || kill-dir INT || kill-dir HUP || ! $force || kill-dir KILL ||:
+                if ! kill-dir TERM TERM TERM INT INT HUP HUP; then
+                    if $force; then  kill-dir KILL; fi
+                fi
 
                 if e umount -R $dir; then
                     unmounted+=($dir)