*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
+//config:config SWAPON
+//config: bool "swapon (4.9 kb)"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: Once you have created some swap space using 'mkswap', you also need
+//config: to enable your swap space with the 'swapon' utility. The 'swapoff'
+//config: utility is used, typically at system shutdown, to disable any swap
+//config: space. If you are not using any swap space, you can leave this
+//config: option disabled.
+//config:
+//config:config FEATURE_SWAPON_DISCARD
+//config: bool "Support discard option -d"
+//config: default y
+//config: depends on SWAPON
+//config: help
+//config: Enable support for discarding swap area blocks at swapon and/or as
+//config: the kernel frees them. This option enables both the -d option on
+//config: 'swapon' and the 'discard' option for swap entries in /etc/fstab.
+//config:
+//config:config FEATURE_SWAPON_PRI
+//config: bool "Support priority option -p"
+//config: default y
+//config: depends on SWAPON
+//config: help
+//config: Enable support for setting swap device priority in swapon.
+//config:
+//config:config SWAPOFF
+//config: bool "swapoff (4.3 kb)"
+//config: default y
+//config: select PLATFORM_LINUX
+//config:
+//config:config FEATURE_SWAPONOFF_LABEL
+//config: bool "Support specifying devices by label or UUID"
+//config: default y
+//config: depends on SWAPON || SWAPOFF
+//config: select VOLUMEID
+//config: help
+//config: This allows for specifying a device by label or uuid, rather than by
+//config: name. This feature utilizes the same functionality as blkid/findfs.
+
+// APPLET_ODDNAME:name main location suid_type help
+//applet:IF_SWAPON( APPLET_ODDNAME(swapon, swap_on_off, BB_DIR_SBIN, BB_SUID_DROP, swapon))
+//applet:IF_SWAPOFF(APPLET_ODDNAME(swapoff, swap_on_off, BB_DIR_SBIN, BB_SUID_DROP, swapoff))
+
+//kbuild:lib-$(CONFIG_SWAPON) += swaponoff.o
+//kbuild:lib-$(CONFIG_SWAPOFF) += swaponoff.o
//usage:#define swapon_trivial_usage
//usage: "[-a] [-e]" IF_FEATURE_SWAPON_DISCARD(" [-d[POL]]") IF_FEATURE_SWAPON_PRI(" [-p PRI]") " [DEVICE]"
# include <sys/swap.h>
#endif
-#if ENABLE_FEATURE_MOUNT_LABEL
+#if ENABLE_FEATURE_SWAPONOFF_LABEL
# include "volume_id.h"
#else
# define resolve_mount_spec(fsname) ((void)0)
#define save_g_flags() ((void)0)
#define restore_g_flags() ((void)0)
#endif
-#define INIT_G() do { } while (0)
-
-#define do_swapoff (applet_name[5] == 'f')
+#define INIT_G() do { setup_common_bufsiz(); } while (0)
+
+#if ENABLE_SWAPOFF
+# if ENABLE_SWAPON
+# define do_swapoff (applet_name[5] == 'f')
+# else
+# define do_swapoff 1
+# endif
+#else
+# define do_swapoff 0
+#endif
/* Command line options */
enum {