While working on a ganglia plugin for NFS I run into problem that
/proc/self/mountstats is readable by process owner only. As ganglia
changes collector threads effective uid, it can't access to mountstats
file any more.
The content of mountstats is equal for all processes and can be safely
shared.
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@xxxxxxx>
---
fs/proc/base.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 03c8d74..d41e284 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2607,7 +2607,7 @@ static const struct pid_entry tgid_base_stuff[] = {
LNK("exe", proc_exe_link),
REG("mounts", S_IRUGO, proc_mounts_operations),
REG("mountinfo", S_IRUGO, proc_mountinfo_operations),
- REG("mountstats", S_IRUSR, proc_mountstats_operations),
+ REG("mountstats", S_IRUGO, proc_mountstats_operations),
#ifdef CONFIG_PROC_PAGE_MONITOR
REG("clear_refs", S_IWUSR, proc_clear_refs_operations),
REG("smaps", S_IRUGO, proc_pid_smaps_operations),
--
1.8.4.2
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