Add function to check if a path is an amd externally managed mount.
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
---
CHANGELOG | 1 +
include/mounts.h | 1 +
lib/mounts.c | 17 +++++++++++++++++
3 files changed, 19 insertions(+)
diff --git a/CHANGELOG b/CHANGELOG
index 66b82074..80a6a5c7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -54,6 +54,7 @@ xx/xx/2017 autofs-5.1.4
- 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().
24/05/2017 autofs-5.1.3
=======================
diff --git a/include/mounts.h b/include/mounts.h
index d6ddc0e1..74b23db6 100644
--- a/include/mounts.h
+++ b/include/mounts.h
@@ -98,6 +98,7 @@ char *make_options_string(char *path, int kernel_pipefd, const char *extra);
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);
diff --git a/lib/mounts.c b/lib/mounts.c
index 0ca86962..29c8a8f5 100644
--- a/lib/mounts.c
+++ b/lib/mounts.c
@@ -770,6 +770,23 @@ 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
*/
--
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