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From c730efd5335cf49ef78008b7d49fc5d5215089eb Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Fri, 15 May 2015 20:56:55 +0200
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Subject: [PATCH] coredump: make sure we vacuum by default
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Only if both keep_free and max_use are actually 0 we can shortcut things
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and avoid vacuuming. If either are positive or -1 we need to execute the
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vacuuming.
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http://lists.freedesktop.org/archives/systemd-devel/2015-April/031382.html
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(cherry picked from commit 5470c03b37d8421a903564c2c8028c8b8d67d403)
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Cherry-picked from: 5470c03
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Resolves: #1222517
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---
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man/coredump.conf.xml | 4 +++-
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src/journal/coredump-vacuum.c | 5 ++---
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2 files changed, 5 insertions(+), 4 deletions(-)
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diff --git a/man/coredump.conf.xml b/man/coredump.conf.xml
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index 0b7329b..fd54c59 100644
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--- a/man/coredump.conf.xml
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+++ b/man/coredump.conf.xml
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@@ -134,7 +134,9 @@
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by coredumps might temporarily exceed these limits while
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coredumps are processed. Note that old coredumps are also
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removed based on time via
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- <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para></listitem>
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+ <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>. Set
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+ either value to 0 to turn off size based
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+ clean-up.</para></listitem>
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</varlistentry>
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</variablelist>
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diff --git a/src/journal/coredump-vacuum.c b/src/journal/coredump-vacuum.c
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index 9b73795..c0347ef 100644
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--- a/src/journal/coredump-vacuum.c
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+++ b/src/journal/coredump-vacuum.c
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@@ -103,8 +103,7 @@ static bool vacuum_necessary(int fd, off_t sum, off_t keep_free, off_t max_use)
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if (max_use < DEFAULT_MAX_USE_LOWER)
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max_use = DEFAULT_MAX_USE_LOWER;
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- }
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- else
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+ } else
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max_use = DEFAULT_MAX_USE_LOWER;
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} else
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max_use = PAGE_ALIGN(max_use);
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@@ -135,7 +134,7 @@ int coredump_vacuum(int exclude_fd, off_t keep_free, off_t max_use) {
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struct stat exclude_st;
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int r;
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- if (keep_free <= 0 && max_use <= 0)
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+ if (keep_free == 0 && max_use == 0)
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return 0;
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if (exclude_fd >= 0) {
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