Look at /run/shm instead of /dev/shm.
Signed-off-by: Gabriel de Perthuis <[email protected]>
To: Jeff Dike <[email protected]>
To: Richard Weinberger <[email protected]>
Cc: [email protected]
---
There's a TMPDIR fallback so I haven't complicated this change with a fallback
to /dev/shm.
arch/um/os-Linux/mem.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index ba43980..11d1db7 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -92,18 +92,18 @@ static int next(int fd, char *buf, size_t size, char c)
/* which_tmpdir is called only during early boot */
static int checked_tmpdir = 0;
/*
- * Look for a tmpfs mounted at /dev/shm. I couldn't find a cleaner
+ * Look for a tmpfs mounted at /run/shm. I couldn't find a cleaner
* way to do this than to parse /proc/mounts. statfs will return the
- * same filesystem magic number and fs id for both /dev and /dev/shm
+ * same filesystem magic number and fs id for both /run and /run/shm
* when they are both tmpfs, so you can't tell if they are different
* filesystems. Also, there seems to be no other way of finding the
* mount point of a filesystem from within it.
*
- * If a /dev/shm tmpfs entry is found, then we switch to using it.
+ * If a /run/shm tmpfs entry is found, then we switch to using it.
* Otherwise, we stay with the default /tmp.
*/
static void which_tmpdir(void)
{
int fd, found;
@@ -112,11 +112,11 @@ static void which_tmpdir(void)
if (checked_tmpdir)
return;
checked_tmpdir = 1;
- printf("Checking for tmpfs mount on /dev/shm...");
+ printf("Checking for tmpfs mount on /run/shm...");
fd = open("/proc/mounts", O_RDONLY);
if (fd < 0) {
printf("failed to open /proc/mounts, errno = %d\n", errno);
return;
@@ -125,21 +125,21 @@ static void which_tmpdir(void)
while (1) {
found = next(fd, buf, ARRAY_SIZE(buf), ' ');
if (found != 1)
break;
- if (!strncmp(buf, "/dev/shm", strlen("/dev/shm")))
+ if (!strncmp(buf, "/run/shm", strlen("/run/shm")))
goto found;
found = next(fd, buf, ARRAY_SIZE(buf), '\n');
if (found != 1)
break;
}
err:
if (found == 0)
- printf("nothing mounted on /dev/shm\n");
+ printf("nothing mounted on /run/shm\n");
else if (found < 0)
printf("read returned errno %d\n", -found);
out:
close(fd);
@@ -155,11 +155,11 @@ found:
printf("not tmpfs\n");
goto out;
}
printf("OK\n");
- default_tmpdir = "/dev/shm";
+ default_tmpdir = "/run/shm";
goto out;
}
static int __init make_tempfile(const char *template, char **out_tempname,
int do_unlink)
--
1.8.3.2.736.gf6be4c2.dirty
------------------------------------------------------------------------------
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