mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-27 08:32:20 +00:00
30d5c8a49f
Add chunk-recover program to check or rebuild chunk tree when the system chunk array or chunk tree is broken. Due to the importance of the system chunk array and chunk tree, if one of them is broken, the whole btrfs will be broken even other data are OK. But we have some hint(fsid, checksum...) to salvage the old metadata. So this function will first scan the whole file system and collect the needed data(chunk/block group/dev extent), and check for the references between them. If the references are OK, the chunk tree can be rebuilt and luckily the file system will be mountable. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
203 lines
6.7 KiB
Makefile
203 lines
6.7 KiB
Makefile
CC = gcc
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LN = ln
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AR = ar
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AM_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -DBTRFS_FLAT_INCLUDES -fPIC
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CFLAGS = -g -O1
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objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
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root-tree.o dir-item.o file-item.o inode-item.o inode-map.o \
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extent-cache.o extent_io.o volumes.o utils.o repair.o \
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qgroup.o raid6.o free-space-cache.o
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cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \
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cmds-inspect.o cmds-balance.o cmds-send.o cmds-receive.o \
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cmds-quota.o cmds-qgroup.o cmds-replace.o cmds-check.o \
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cmds-restore.o cmds-chunk.o
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libbtrfs_objects = send-stream.o send-utils.o rbtree.o btrfs-list.o crc32c.o
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libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \
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crc32c.h list.h kerncompat.h radix-tree.h extent-cache.h \
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extent_io.h ioctl.h ctree.h btrfsck.h
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CHECKFLAGS= -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise \
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-Wuninitialized -Wshadow -Wundef
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DEPFLAGS = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
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INSTALL = install
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prefix ?= /usr/local
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bindir = $(prefix)/bin
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lib_LIBS = -luuid -lblkid -lm -lz -llzo2 -L.
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libdir ?= $(prefix)/lib
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incdir = $(prefix)/include/btrfs
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LIBS = $(lib_LIBS) $(libs_static)
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ifeq ("$(origin V)", "command line")
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BUILD_VERBOSE = $(V)
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endif
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ifndef BUILD_VERBOSE
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BUILD_VERBOSE = 0
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endif
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ifeq ($(BUILD_VERBOSE),1)
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Q =
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else
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Q = @
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endif
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MAKEOPTS = --no-print-directory Q=$(Q)
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progs = mkfs.btrfs btrfs-debug-tree btrfsck \
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btrfs btrfs-map-logical btrfs-image btrfs-zero-log btrfs-convert \
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btrfs-find-root btrfstune btrfs-show-super
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# external libs required by various binaries; for btrfs-foo,
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# specify btrfs_foo_libs = <list of libs>; see $($(subst...)) rules below
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btrfs_convert_libs = -lext2fs -lcom_err
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btrfs_image_libs = -lpthread
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btrfs_fragment_libs = -lgd -lpng -ljpeg -lfreetype
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# Create all the static targets
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static_objects = $(patsubst %.o, %.static.o, $(objects))
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static_cmds_objects = $(patsubst %.o, %.static.o, $(cmds_objects))
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static_libbtrfs_objects = $(patsubst %.o, %.static.o, $(libbtrfs_objects))
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# Define static compilation flags
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STATIC_CFLAGS = $(CFLAGS) -ffunction-sections -fdata-sections
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STATIC_LDFLAGS = -static -Wl,--gc-sections
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STATIC_LIBS = $(lib_LIBS) -lpthread
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libs_shared = libbtrfs.so.0.1
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libs_static = libbtrfs.a
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libs = $(libs_shared) $(libs_static)
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lib_links = libbtrfs.so.0 libbtrfs.so
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headers = $(libbtrfs_headers)
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# make C=1 to enable sparse
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ifdef C
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check = sparse $(CHECKFLAGS)
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else
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check = true
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endif
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.c.o:
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$(Q)$(check) $<
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@echo " [CC] $@"
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$(Q)$(CC) $(DEPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c $<
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%.static.o: %.c
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@echo " [CC] $@"
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$(Q)$(CC) $(DEPFLAGS) $(AM_CFLAGS) $(STATIC_CFLAGS) -c $< -o $@
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all: version.h $(progs) manpages
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#
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# NOTE: For static compiles, you need to have all the required libs
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# static equivalent available
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#
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static: version.h btrfs.static mkfs.btrfs.static btrfs-find-root.static
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version.h:
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@echo " [SH] $@"
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$(Q)bash version.sh
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$(libs_shared): $(libbtrfs_objects) $(lib_links) send.h
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) $(libbtrfs_objects) $(LDFLAGS) $(lib_LIBS) \
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-shared -Wl,-soname,libbtrfs.so -o libbtrfs.so.0.1
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$(libs_static): $(libbtrfs_objects)
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@echo " [AR] $@"
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$(Q)$(AR) cru libbtrfs.a $(libbtrfs_objects)
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$(lib_links):
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@echo " [LN] $@"
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$(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so.0
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$(Q)$(LN) -sf libbtrfs.so.0.1 libbtrfs.so
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# keep intermediate files from the below implicit rules around
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.PRECIOUS: $(addsuffix .o,$(progs))
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# Make any btrfs-foo out of btrfs-foo.o, with appropriate libs.
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# The $($(subst...)) bits below takes the btrfs_*_libs definitions above and
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# turns them into a list of libraries to link against if they exist
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#
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# For static variants, use an extra $(subst) to get rid of the ".static"
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# from the target name before translating to list of libs
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btrfs-%.static: version.h $(static_objects) btrfs-%.static.o $(static_libbtrfs_objects)
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@echo " [LD] $@"
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$(Q)$(CC) $(STATIC_CFLAGS) -o $@ $@.o $(static_objects) \
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$(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS) \
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$($(subst -,_,$(subst .static,,$@)-libs))
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btrfs-%: version.h $(objects) $(libs) btrfs-%.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o $@ $(objects) $@.o $(LDFLAGS) $(LIBS) $($(subst -,_,$@-libs))
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btrfs: $(objects) btrfs.o help.o $(cmds_objects) $(libs)
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o btrfs btrfs.o help.o $(cmds_objects) \
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$(objects) $(LDFLAGS) $(LIBS) -lpthread
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btrfs.static: $(static_objects) btrfs.static.o help.static.o $(static_cmds_objects) $(static_libbtrfs_objects)
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@echo " [LD] $@"
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$(Q)$(CC) $(STATIC_CFLAGS) -o btrfs.static btrfs.static.o help.static.o $(static_cmds_objects) \
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$(static_objects) $(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
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# For backward compatibility, 'btrfs' changes behaviour to fsck if it's named 'btrfsck'
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btrfsck: btrfs
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@echo " [LN] $@"
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$(Q)$(LN) -f btrfs btrfsck
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mkfs.btrfs: $(objects) $(libs) mkfs.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o mkfs.btrfs $(objects) mkfs.o $(LDFLAGS) $(LIBS)
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mkfs.btrfs.static: $(static_objects) mkfs.static.o $(static_libbtrfs_objects)
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@echo " [LD] $@"
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$(Q)$(CC) $(STATIC_CFLAGS) -o mkfs.btrfs.static mkfs.static.o $(static_objects) \
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$(static_libbtrfs_objects) $(STATIC_LDFLAGS) $(STATIC_LIBS)
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btrfstune: $(objects) $(libs) btrfstune.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o btrfstune $(objects) btrfstune.o $(LDFLAGS) $(LIBS)
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dir-test: $(objects) $(libs) dir-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o dir-test $(objects) dir-test.o $(LDFLAGS) $(LIBS)
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quick-test: $(objects) $(libs) quick-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o quick-test $(objects) quick-test.o $(LDFLAGS) $(LIBS)
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ioctl-test: $(objects) $(libs) ioctl-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o ioctl-test $(objects) ioctl-test.o $(LDFLAGS) $(LIBS)
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send-test: $(objects) $(libs) send-test.o
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@echo " [LD] $@"
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$(Q)$(CC) $(CFLAGS) -o send-test $(objects) send-test.o $(LDFLAGS) $(LIBS) -lpthread
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manpages:
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$(Q)$(MAKE) $(MAKEOPTS) -C man
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install-man:
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cd man; $(MAKE) install
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clean :
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@echo "Cleaning"
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$(Q)rm -f $(progs) cscope.out *.o .*.d btrfs-convert btrfs-image btrfs-select-super \
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btrfs-zero-log btrfstune dir-test ioctl-test quick-test send-test btrfsck \
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btrfs.static mkfs.btrfs.static btrfs-calc-size \
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version.h \
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$(libs) $(lib_links)
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$(Q)$(MAKE) $(MAKEOPTS) -C man $@
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install: $(libs) $(progs) install-man
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$(INSTALL) -m755 -d $(DESTDIR)$(bindir)
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$(INSTALL) $(progs) $(DESTDIR)$(bindir)
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$(INSTALL) -m755 -d $(DESTDIR)$(libdir)
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$(INSTALL) $(libs) $(DESTDIR)$(libdir)
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cp -a $(lib_links) $(DESTDIR)$(libdir)
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$(INSTALL) -m755 -d $(DESTDIR)$(incdir)
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$(INSTALL) -m644 $(headers) $(DESTDIR)$(incdir)
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-include .*.d
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