diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index 3fc7f7819..28ca8cef1 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -684,6 +684,7 @@
ConditionPathIsDirectory=
ConditionPathIsSymbolicLink=
ConditionPathIsMountPoint=
+ ConditionPathIsReadWrite=
ConditionDirectoryNotEmpty=
ConditionFileIsExecutable=
ConditionKernelCommandLine=
@@ -731,7 +732,13 @@
ConditionPathExists=
but verifies whether a certain path
exists and is a mount
- point. ConditionFileIsExecutable=
+ point. ConditionPathIsReadWrite=
+ is similar to
+ ConditionPathExists=
+ but verifies whether the underlying
+ file system is read and writable
+ (i.e. not mounted
+ read-only). ConditionFileIsExecutable=
is similar to
ConditionPathExists=
but verifies whether a certain path
@@ -780,12 +787,13 @@
openvz,
lxc,
lxc-libvirt,
- systemd-nspawn to test
- against a specific implementation. If
- multiple virtualization technologies
- are nested only the innermost is
- considered. The test may be negated by
- prepending an exclamation mark.
+ systemd-nspawn to
+ test against a specific
+ implementation. If multiple
+ virtualization technologies are nested
+ only the innermost is considered. The
+ test may be negated by prepending an
+ exclamation mark.
ConditionSecurity=
may be used to check whether the given
security module is enabled on the
diff --git a/src/core/condition.c b/src/core/condition.c
index 5dad5248b..3b246f1a6 100644
--- a/src/core/condition.c
+++ b/src/core/condition.c
@@ -24,6 +24,7 @@
#include
#include
#include
+#include
#ifdef HAVE_SELINUX
#include
@@ -222,6 +223,15 @@ bool condition_test(Condition *c) {
case CONDITION_PATH_IS_MOUNT_POINT:
return (path_is_mount_point(c->parameter, true) > 0) == !c->negate;
+ case CONDITION_PATH_IS_READ_WRITE: {
+ struct statvfs st;
+
+ if (statvfs(c->parameter, &st) < 0)
+ return c->negate;
+
+ return !(st.f_flag & ST_RDONLY) == !c->negate;
+ }
+
case CONDITION_DIRECTORY_NOT_EMPTY: {
int k;
@@ -313,6 +323,7 @@ static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
[CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory",
[CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink",
[CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint",
+ [CONDITION_PATH_IS_READ_WRITE] = "ConditionPathIsReadWrite",
[CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty",
[CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
[CONDITION_VIRTUALIZATION] = "ConditionVirtualization",
diff --git a/src/core/condition.h b/src/core/condition.h
index 2a44ba681..2d1f2cd17 100644
--- a/src/core/condition.h
+++ b/src/core/condition.h
@@ -32,6 +32,7 @@ typedef enum ConditionType {
CONDITION_PATH_IS_DIRECTORY,
CONDITION_PATH_IS_SYMBOLIC_LINK,
CONDITION_PATH_IS_MOUNT_POINT,
+ CONDITION_PATH_IS_READ_WRITE,
CONDITION_DIRECTORY_NOT_EMPTY,
CONDITION_FILE_IS_EXECUTABLE,
CONDITION_KERNEL_COMMAND_LINE,
diff --git a/src/load-fragment-gperf.gperf.m4 b/src/load-fragment-gperf.gperf.m4
index 4b02e3157..c65db30ff 100644
--- a/src/load-fragment-gperf.gperf.m4
+++ b/src/load-fragment-gperf.gperf.m4
@@ -118,6 +118,7 @@ Unit.ConditionPathExistsGlob, config_parse_unit_condition_path, CONDITION_P
Unit.ConditionPathIsDirectory, config_parse_unit_condition_path, CONDITION_PATH_IS_DIRECTORY, 0
Unit.ConditionPathIsSymbolicLink,config_parse_unit_condition_path, CONDITION_PATH_IS_SYMBOLIC_LINK,0
Unit.ConditionPathIsMountPoint, config_parse_unit_condition_path, CONDITION_PATH_IS_MOUNT_POINT, 0
+Unit.ConditionPathIsReadWrite, config_parse_unit_condition_path, CONDITION_PATH_IS_READ_WRITE, 0
Unit.ConditionDirectoryNotEmpty, config_parse_unit_condition_path, CONDITION_DIRECTORY_NOT_EMPTY, 0
Unit.ConditionFileIsExecutable, config_parse_unit_condition_path, CONDITION_FILE_IS_EXECUTABLE, 0
Unit.ConditionKernelCommandLine, config_parse_unit_condition_string, CONDITION_KERNEL_COMMAND_LINE, 0