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authorbrulon <barron@lexmark.com>2016-08-26 11:57:22 -0400
committerLennart Poettering <lennart@poettering.net>2016-08-26 17:57:22 +0200
commite520950a03419957875034bc27795b0b81d8e793 (patch)
tree09fb51201acc7e7da2dbececdf887db3af6b362e /src
parent6431c7e216ceb9f3cfe073c94a47ac413b892e55 (diff)
mount: add new LazyUnmount= setting for mount units, mapping to umount(8)'s "-l" switch (#3827)
Diffstat (limited to 'src')
-rw-r--r--src/core/dbus-mount.c1
-rw-r--r--src/core/load-fragment-gperf.gperf.m41
-rw-r--r--src/core/mount.c8
-rw-r--r--src/core/mount.h2
4 files changed, 10 insertions, 2 deletions
diff --git a/src/core/dbus-mount.c b/src/core/dbus-mount.c
index 3c6bda4073..4421f26bc1 100644
--- a/src/core/dbus-mount.c
+++ b/src/core/dbus-mount.c
@@ -116,6 +116,7 @@ const sd_bus_vtable bus_mount_vtable[] = {
SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LazyUnmount", "b", bus_property_get_bool, offsetof(Mount, lazy_unmount), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("UID", "u", NULL, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("GID", "u", NULL, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index 05fe0df7e3..420d32dbd7 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -355,6 +355,7 @@ Mount.Type, config_parse_string, 0,
Mount.TimeoutSec, config_parse_sec, 0, offsetof(Mount, timeout_usec)
Mount.DirectoryMode, config_parse_mode, 0, offsetof(Mount, directory_mode)
Mount.SloppyOptions, config_parse_bool, 0, offsetof(Mount, sloppy_options)
+Mount.LazyUnmount, config_parse_bool, 0, offsetof(Mount, lazy_unmount)
EXEC_CONTEXT_CONFIG_ITEMS(Mount)m4_dnl
CGROUP_CONTEXT_CONFIG_ITEMS(Mount)m4_dnl
KILL_CONTEXT_CONFIG_ITEMS(Mount)m4_dnl
diff --git a/src/core/mount.c b/src/core/mount.c
index f2ac8d171f..2c2a54edbb 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -677,7 +677,8 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) {
"%sOptions: %s\n"
"%sFrom /proc/self/mountinfo: %s\n"
"%sFrom fragment: %s\n"
- "%sDirectoryMode: %04o\n",
+ "%sDirectoryMode: %04o\n"
+ "%sLazyUnmount: %s\n",
prefix, mount_state_to_string(m->state),
prefix, mount_result_to_string(m->result),
prefix, m->where,
@@ -686,7 +687,8 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) {
prefix, p ? strna(p->options) : "n/a",
prefix, yes_no(m->from_proc_self_mountinfo),
prefix, yes_no(m->from_fragment),
- prefix, m->directory_mode);
+ prefix, m->directory_mode,
+ prefix, yes_no(m->lazy_unmount));
if (m->control_pid > 0)
fprintf(f,
@@ -846,6 +848,8 @@ static void mount_enter_unmounting(Mount *m) {
m->control_command = m->exec_command + MOUNT_EXEC_UNMOUNT;
r = exec_command_set(m->control_command, UMOUNT_PATH, m->where, NULL);
+ if (r >= 0 && m->lazy_unmount)
+ r = exec_command_append(m->control_command, "-l", NULL);
if (r < 0)
goto fail;
diff --git a/src/core/mount.h b/src/core/mount.h
index ac27b518cc..c4a2bff100 100644
--- a/src/core/mount.h
+++ b/src/core/mount.h
@@ -71,6 +71,8 @@ struct Mount {
bool sloppy_options;
+ bool lazy_unmount;
+
MountResult result;
MountResult reload_result;