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autofs-5.1.3 - add function ext_mount_inuse()
From: Ian Kent <raven@themaw.net>
Add function to check if a path is an amd externally managed mount.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
include/mounts.h | 1 +
lib/mounts.c | 17 +++++++++++++++++
3 files changed, 19 insertions(+)
--- autofs-5.0.7.orig/CHANGELOG
+++ autofs-5.0.7/CHANGELOG
@@ -279,6 +279,7 @@
- fix possible memory leak during amd parse.
- remove path restriction of amd external mount.
- add function umount_amd_ext_mount().
+- add function ext_mount_inuse().
25/07/2012 autofs-5.0.7
=======================
--- autofs-5.0.7.orig/include/mounts.h
+++ autofs-5.0.7/include/mounts.h
@@ -98,6 +98,7 @@ char *make_options_string(char *path, in
char *make_mnt_name_string(char *path);
int ext_mount_add(struct list_head *, const char *, unsigned int);
int ext_mount_remove(struct list_head *, const char *);
+int ext_mount_inuse(const char *);
struct mnt_list *get_mnt_list(const char *table, const char *path, int include);
struct mnt_list *reverse_mnt_list(struct mnt_list *list);
void free_mnt_list(struct mnt_list *list);
--- autofs-5.0.7.orig/lib/mounts.c
+++ autofs-5.0.7/lib/mounts.c
@@ -768,6 +768,23 @@ done:
return ret;
}
+int ext_mount_inuse(const char *path)
+{
+ struct ext_mount *em;
+ int ret = 0;
+
+ pthread_mutex_lock(&ext_mount_hash_mutex);
+ em = ext_mount_lookup(path);
+ if (!em)
+ goto done;
+
+ if (!list_empty(&em->mounts))
+ ret = 1;
+done:
+ pthread_mutex_unlock(&ext_mount_hash_mutex);
+ return ret;
+}
+
/*
* Get list of mounts under path in longest->shortest order
*/