import tune2fs support

e2fsprogs/Config.in

@@ -17,4 +17,17 @@ config CONFIG_LSATTR
 	help
 	  lsattr lists the file attributes on a second extended file system.
 
+config CONFIG_TUNE2FS
+	bool "tune2fs (and e2label/findfs)"
+	default n
+	help
+	  tune2fs allows the system administrator to adjust various tunable 
+	  filesystem parameters on Linux ext2/ext3 filesystems.
+
+	  e2label will display or change the filesystem label on the ext2 
+	  filesystem located on device.
+
+	  findfs will search the disks in the system looking for a filesystem 
+	  which has a label matching label or a UUID equal to uuid.
+
 endmenu

e2fsprogs/Makefile.in

@@ -25,13 +25,32 @@ srcdir=$(top_srcdir)/e2fsprogs
 
 E2FSPROGS_CFLAGS := -I$(E2FSPROGS_DIR) -include $(E2FSPROGS_DIR)e2fsbb.h
 
-E2P_SRC     := fgetsetflags.c fgetsetversion.c pf.c iod.c
+BLKID_SRC   := cache.c dev.c devname.c devno.c getsize.c llseek.c probe.c \
+               read.c resolve.c save.c tag.c
+BLKID_SRCS  := $(patsubst %,blkid/%, $(BLKID_SRC))
+BLKID_OBJS  := $(patsubst %.c,%.o, $(BLKID_SRCS))
+
+E2P_SRC     := fgetsetflags.c fgetsetversion.c pf.c iod.c mntopts.c \
+               feature.c ls.c uuid.c pe.c ostype.c ps.c hashstr.c
 E2P_SRCS    := $(patsubst %,e2p/%, $(E2P_SRC))
 E2P_OBJS    := $(patsubst %.c,%.o, $(E2P_SRCS))
 
+EXT2FS_SRC  := gen_bitmap.c bitops.c ismounted.c mkjournal.c unix_io.c \
+               llseek.c rw_bitmaps.c initialize.c bitmaps.c block.c \
+               ind_block.c inode.c freefs.c alloc_stats.c closefs.c \
+               openfs.c io_manager.c finddev.c read_bb.c alloc.c badblocks.c
+EXT2FS_SRCS := $(patsubst %,ext2fs/%, $(EXT2FS_SRC))
+EXT2FS_OBJS := $(patsubst %.c,%.o, $(EXT2FS_SRCS))
+
+UUID_SRC    := compare.c gen_uuid.c pack.c parse.c unpack.c unparse.c \
+               uuid_time.c
+UUID_SRCS   := $(patsubst %,uuid/%, $(UUID_SRC))
+UUID_OBJS   := $(patsubst %.c,%.o, $(UUID_SRCS))
+
 E2FSPROGS-:=
 E2FSPROGS-$(CONFIG_CHATTR)     += chattr.o $(E2P_OBJS)
 E2FSPROGS-$(CONFIG_LSATTR)     += lsattr.o $(E2P_OBJS)
+E2FSPROGS-$(CONFIG_TUNE2FS)    += tune2fs.o util.o $(E2P_OBJS) $(BLKID_OBJS) $(EXT2FS_OBJS) $(UUID_OBJS)
 
 libraries-y+=$(E2FSPROGS_DIR)$(E2FSPROGS_AR)
 

include/applets.h

@@ -179,6 +179,9 @@
 #ifdef CONFIG_DUMPLEASES
 	APPLET(dumpleases, dumpleases_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
 #endif
+#ifdef CONFIG_TUNE2FS
+	APPLET_NOUSAGE("e2label", tune2fs_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
+#endif
 #ifdef CONFIG_ECHO
 	APPLET(echo, echo_main, _BB_DIR_BIN, _BB_SUID_NEVER)
 #endif
@@ -221,6 +224,9 @@
 #ifdef CONFIG_FIND
 	APPLET(find, find_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
 #endif
+#ifdef CONFIG_TUNE2FS
+	APPLET_NOUSAGE("findfs", tune2fs_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
+#endif
 #ifdef CONFIG_FOLD
 	APPLET(fold, fold_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
 #endif
@@ -629,6 +635,9 @@
 #ifdef CONFIG_TTY
 	APPLET(tty, tty_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
 #endif
+#ifdef CONFIG_TUNE2FS
+	APPLET(tune2fs, tune2fs_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
+#endif
 #ifdef CONFIG_UDHCPC
 	APPLET(udhcpc, udhcpc_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
 #endif

include/usage.h

@@ -2828,6 +2828,16 @@
 	"$ tty\n" \
 	"/dev/tty2\n"
 
+#define tune2fs_trivial_usage \
+	"[-c max-mounts-count] [-e errors-behavior] [-g group] " \
+	"[-i interval[d|m|w]] [-j] [-J journal-options] [-l] [-s sparse-flag] " \
+	"[-m reserved-blocks-percent] [-o [^]mount-options[,...]] " \
+	"[-r reserved-blocks-count] [-u user] [-C mount-count] " \
+	"[-L volume-label] [-M last-mounted-dir] [-O [^]feature[,...]] " \
+	"[-T last-check-time] [-U UUID] device"
+#define tune2fs_full_usage \
+	"Adjust filesystem options on ext[23] filesystems.\n\n"
+
 #define udhcpc_trivial_usage \
 	"[-fbnqv] [-c CLIENTID] [-H HOSTNAME] [-i INTERFACE]\n[-p pidfile] [-r IP] [-s script]"
 #define udhcpc_full_usage \