Add mount option "ignore", if the kernel supports it, as an
indicator to applications to ignore the mount entry.
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
---
daemon/direct.c | 10 ++++++++++
daemon/indirect.c | 10 ++++++++++
include/automount.h | 3 +++
lib/master.c | 4 ++--
4 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/daemon/direct.c b/daemon/direct.c
index 4f468563..42992220 100644
--- a/daemon/direct.c
+++ b/daemon/direct.c
@@ -431,6 +431,16 @@ int do_mount_autofs_direct(struct autofs_point *ap,
mp->options = tmp;
}
}
+
+ if ((ap->flags & MOUNT_FLAG_IGNORE) &&
+ ((get_kver_major() == 5 && get_kver_minor() > 4) ||
+ (get_kver_major() > 5))) {
+ char *tmp = realloc(mp->options, strlen(mp->options) + 7);
+ if (tmp) {
+ strcat(tmp, ",ignore");
+ mp->options = tmp;
+ }
+ }
}
/* In case the directory doesn't exist, try to mkdir it */
diff --git a/daemon/indirect.c b/daemon/indirect.c
index 9ccbc038..8719960e 100644
--- a/daemon/indirect.c
+++ b/daemon/indirect.c
@@ -142,6 +142,16 @@ static int do_mount_autofs_indirect(struct autofs_point *ap, const char *root)
}
}
+ if ((ap->flags & MOUNT_FLAG_IGNORE) &&
+ ((get_kver_major() == 5 && get_kver_minor() > 4) ||
+ (get_kver_major() > 5))) {
+ char *tmp = realloc(options, strlen(options) + 7);
+ if (tmp) {
+ strcat(tmp, ",ignore");
+ options = tmp;
+ }
+ }
+
/* In case the directory doesn't exist, try to mkdir it */
if (mkdir_path(root, mp_mode) < 0) {
if (errno != EEXIST && errno != EROFS) {
diff --git a/include/automount.h b/include/automount.h
index 1bb32015..d02410f3 100644
--- a/include/automount.h
+++ b/include/automount.h
@@ -557,6 +557,9 @@ struct kernel_mod_version {
/* Use strict expire semantics if requested and kernel supports it */
#define MOUNT_FLAG_STRICTEXPIRE 0x0400
+/* Indicator for applications to ignore the mount entry */
+#define MOUNT_FLAG_IGNORE 0x0800
+
struct autofs_point {
pthread_t thid;
char *path; /* Mount point name */
diff --git a/lib/master.c b/lib/master.c
index 5f3a3d99..e0bd34ab 100644
--- a/lib/master.c
+++ b/lib/master.c
@@ -101,9 +101,9 @@ int master_add_autofs_point(struct master_mapent *entry, unsigned logopt,
ap->negative_timeout = global_negative_timeout;
ap->exp_timeout = defaults_get_timeout();
ap->exp_runfreq = 0;
- ap->flags = 0;
+ ap->flags = MOUNT_FLAG_IGNORE;
if (ghost)
- ap->flags = MOUNT_FLAG_GHOST;
+ ap->flags |= MOUNT_FLAG_GHOST;
if (nobind)
ap->flags |= MOUNT_FLAG_NOBIND;
