Stefan Behrens
2013-Mar-25 14:21 UTC
[PATCH] Btrfs-progs: Use /proc/mounts instead of /etc/mtab
/etc/mtab is not working correctly in situations where multiple
mount namespaces are used. Use /proc/mounts instead like the
rest of the code is doing it.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
---
cmds-send.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cmds-send.c b/cmds-send.c
index b2a340e..5a7183d 100644
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -70,7 +70,7 @@ int find_mount_root(const char *path, char **mount_root)
return -errno;
close(fd);
- mnttab = fopen("/etc/mtab", "r");
+ mnttab = fopen("/proc/mounts", "r");
while ((ent = getmntent(mnttab))) {
len = strlen(ent->mnt_dir);
if (strncmp(ent->mnt_dir, path, len) == 0) {
--
1.8.2
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