File fix-swap-behaviour-with-symlinks.patch of Package systemd

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File fix-swap-behaviour-with-symlinks.patch of Package systemd (Revision a46ad34e85935ce17d63e246f3b01920)

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From b61e88162a6ce0c30da6984b0120959701283daa Mon Sep 17 00:00:00 2001
From: Olivier Brunel <i.am.jack.mail@gmail.com>
Date: Sat, 13 Oct 2012 14:24:15 +0200
Subject: [PATCH] swap: fix swap behaviour with symlinks

Starting a swap unit pointing to (What) a symlink (e.g. /dev/mapper/swap
or /dev/disk/by-uuid/...) would have said unit marked active, following
the one using the "actual" device (/dev/{dm-1,sda3}), but that new unit
would be seen as inactive.
Since all requests to stop swap units would follow/redirect to it,
and it is seen inactive, nothing would be done (swapoff never called).

This is because this unit would be treated twice in
swap_process_new_swap, the second call to swap_add_one causing it to
eventually be marked inactive.
---
 src/core/swap.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: systemd-195/src/core/swap.c
===================================================================
--- systemd-195.orig/src/core/swap.c
+++ systemd-195/src/core/swap.c
@@ -415,7 +415,8 @@ static int swap_process_new_swap(Manager
                         return -ENOMEM;
 
                 dn = udev_device_get_devnode(d);
-                if (dn)
+                /* Skip dn==device, since that case will be handled below */
+                if (dn && !streq(dn, device))
                         r = swap_add_one(m, dn, device, prio, false, false, set_flags);
 
                 /* Add additional units for all symlinks */

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File fix-swap-behaviour-with-symlinks.patch of Package systemd (Revision a46ad34e85935ce17d63e246f3b01920)

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