If /etc/mtab is a symlink to /proc/self/mounts,
mounting fails because addmntent returns an error.
As a consequence, the Private directory is unusable.
This is a patch which checks if /etc/mtab is a symlink,
and if so, doesn't try to call addmntent.
Signed-off-by: Chunrong Guo <b40...@freescale.com>
---
hugeadm.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hugeadm.c b/hugeadm.c
index 781f23c..93a4094 100644
--- a/hugeadm.c
+++ b/hugeadm.c
@@ -516,6 +516,9 @@ int mount_dir(char *path, char *options, mode_t mode, uid_t
uid, gid_t gid)
struct group *grp;
struct mntent entry;
FILE *mounts;
+ char dummy;
+ int useMtab;
+
struct mount_list *list, *previous;
list = collect_active_mounts(NULL);
@@ -552,6 +555,14 @@ int mount_dir(char *path, char *options, mode_t mode,
uid_t uid, gid_t gid)
return 1;
}
+ /* Check if mtab is a symlink */
+ useMtab = (readlink(MOUNTED, &dummy, 1) < 0);
+ if (!useMtab) {
+ /* No need updating mtab */
+ return 0;
+ }
+
+
mounts = setmntent(MOUNTED, "a+");
if (mounts) {
entry.mnt_fsname = FS_NAME;
--
1.7.5.4
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