From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 18 Jan 2012 14:40:58 +0000 (+0100)
Subject: journal: when sending journal data via file, place it in /dev/shm, to allow early... 
X-Git-Tag: v39~31
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=9058851be7821edac08c1fa7ecafe5cba9ab9022

journal: when sending journal data via file, place it in /dev/shm, to allow early boot operation, even if it sucks
---

diff --git a/src/journal/journal-send.c b/src/journal/journal-send.c
index 03bd17072..00029fe0b 100644
--- a/src/journal/journal-send.c
+++ b/src/journal/journal-send.c
@@ -140,13 +140,16 @@ _public_ int sd_journal_sendv(const struct iovec *iov, int n) {
         int i, j = 0;
         struct msghdr mh;
         struct sockaddr_un sa;
-        char path[] = "/tmp/journal.XXXXXX";
         ssize_t k;
         union {
                 struct cmsghdr cmsghdr;
                 uint8_t buf[CMSG_SPACE(sizeof(int))];
         } control;
         struct cmsghdr *cmsg;
+        /* We use /dev/shm instead of /tmp here, since we want this to
+         * be a tmpfs, and one that is available from early boot on
+         * and where unprivileged users can create files. */
+        char path[] = "/dev/shm/journal.XXXXXX";
 
         if (!iov || n <= 0)
                 return -EINVAL;