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Message-Id: <6abd6d01ab11f862b2ff5b31664292718a77d8e8.1656912918.git.ritesh.list@gmail.com> Date: Mon, 4 Jul 2022 12:36:56 +0530 From: Ritesh Harjani <ritesh.list@...il.com> To: Theodore Ts'o <tytso@....edu> Cc: Harshad Shirwadkar <harshadshirwadkar@...il.com>, Andreas Dilger <adilger@...ger.ca>, linux-ext4 <linux-ext4@...r.kernel.org>, Ritesh Harjani <ritesh.list@...il.com> Subject: [RFC 07/13] tst_bitmaps_standalone: Add copy and merge bitmaps test This adds a basic copy and merge api test for both bitmap types (i.e. rbtree and bitarray) Signed-off-by: Ritesh Harjani <ritesh.list@...il.com> --- lib/ext2fs/Makefile.in | 25 +++- lib/ext2fs/tst_bitmaps_standalone.c | 173 ++++++++++++++++++++++++++++ 2 files changed, 192 insertions(+), 6 deletions(-) create mode 100644 lib/ext2fs/tst_bitmaps_standalone.c diff --git a/lib/ext2fs/Makefile.in b/lib/ext2fs/Makefile.in index f6a050a2..1692500e 100644 --- a/lib/ext2fs/Makefile.in +++ b/lib/ext2fs/Makefile.in @@ -227,6 +227,7 @@ SRCS= ext2_err.c \ $(srcdir)/write_bb_file.c \ $(srcdir)/rbtree.c \ $(srcdir)/tst_libext2fs.c \ + $(srcdir)/tst_bitmaps_standalone.c \ $(DEBUG_SRCS) HFILES= bitops.h ext2fs.h ext2_io.h ext2_fs.h ext2_ext_attr.h ext3_extents.h \ @@ -328,9 +329,9 @@ tst_getsectsize: tst_getsectsize.o getsectsize.o $(STATIC_LIBEXT2FS) \ $(ALL_LDFLAGS) $(STATIC_LIBEXT2FS) $(STATIC_LIBCOM_ERR) \ $(SYSLIBS) -tst_types.o: $(srcdir)/tst_types.c ext2_types.h +tst_types.o: $(srcdir)/tst_types.c ext2_types.h -tst_types: tst_types.o ext2_types.h +tst_types: tst_types.o ext2_types.h $(E) " LD $@" $(Q) $(CC) -o tst_types tst_types.o $(ALL_LDFLAGS) $(SYSLIBS) @@ -362,6 +363,11 @@ tst_sha512: $(srcdir)/sha512.c $(srcdir)/ext2_fs.h $(Q) $(CC) $(ALL_LDFLAGS) $(ALL_CFLAGS) -o tst_sha512 \ $(srcdir)/sha512.c -DUNITTEST $(SYSLIBS) +tst_bitmaps_standalone: tst_bitmaps_standalone.o $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBCOM_ERR) + $(E) " LD $@" + $(Q) $(CC) -o tst_bitmaps_standalone tst_bitmaps_standalone.o $(ALL_LDFLAGS) \ + $(STATIC_LIBEXT2FS) $(STATIC_LIBCOM_ERR) $(SYSLIBS) + ext2_tdbtool: tdbtool.o $(E) " LD $@" $(Q) $(CC) -o ext2_tdbtool tdbtool.o tdb.o $(ALL_LDFLAGS) $(SYSLIBS) @@ -533,7 +539,7 @@ mkjournal: mkjournal.c $(STATIC_LIBEXT2FS) $(DEPLIBCOM_ERR) fullcheck check:: tst_bitops tst_badblocks tst_iscan tst_types tst_icount \ tst_super_size tst_types tst_inode_size tst_csum tst_crc32c tst_bitmaps \ tst_inline tst_inline_data tst_libext2fs tst_sha256 tst_sha512 \ - tst_digest_encode tst_getsize tst_getsectsize + tst_digest_encode tst_getsize tst_getsectsize tst_bitmaps_standalone $(TESTENV) ./tst_bitops $(TESTENV) ./tst_badblocks $(TESTENV) ./tst_iscan @@ -556,6 +562,7 @@ fullcheck check:: tst_bitops tst_badblocks tst_iscan tst_types tst_icount \ $(TESTENV) ./tst_bitmaps -l -f $(srcdir)/tst_bitmaps_cmds > tst_bitmaps_out diff $(srcdir)/tst_bitmaps_exp tst_bitmaps_out $(TESTENV) ./tst_digest_encode + $(TESTENV) ./tst_bitmaps_standalone installdirs:: $(E) " MKDIR_P $(libdir) $(includedir)/ext2fs" @@ -581,7 +588,7 @@ install:: all $(HFILES) $(HFILES_IN) installdirs ext2fs.pc uninstall:: $(RM) -f $(DESTDIR)$(libdir)/libext2fs.a \ $(DESTDIR)$(pkgconfigdir)/ext2fs.pc - $(RM) -rf $(DESTDIR)$(includedir)/ext2fs + $(RM) -rf $(DESTDIR)$(includedir)/ext2fs clean:: $(RM) -f \#* *.s *.o *.a *~ *.bak core profiled/* \ @@ -590,7 +597,7 @@ clean:: tst_bitops tst_types tst_icount tst_super_size tst_csum \ tst_bitmaps tst_bitmaps_out tst_extents tst_inline \ tst_inline_data tst_inode_size tst_bitmaps_cmd.c \ - tst_digest_encode tst_sha256 tst_sha512 \ + tst_digest_encode tst_sha256 tst_sha512 tst_bitmaps_standalone \ ext2_tdbtool mkjournal debug_cmds.c tst_cmds.c extent_cmds.c \ ../libext2fs.a ../libext2fs_p.a ../libext2fs_chk.a \ crc32c_table.h gen_crc32ctable tst_crc32c tst_libext2fs \ @@ -646,7 +653,7 @@ windows_io.o: $(srcdir)/windows_io.c $(top_builddir)/lib/config.h \ $(srcdir)/ext2_ext_attr.h $(srcdir)/bitops.h $(srcdir)/ext2fsP.h # +++ Dependency line eater +++ -# +# # Makefile dependencies follow. This must be the last section in # the Makefile.in file # @@ -1156,6 +1163,12 @@ tst_iscan.o: $(srcdir)/tst_iscan.c $(top_builddir)/lib/config.h \ $(srcdir)/ext2_fs.h $(srcdir)/ext3_extents.h $(top_srcdir)/lib/et/com_err.h \ $(srcdir)/ext2_io.h $(top_builddir)/lib/ext2fs/ext2_err.h \ $(srcdir)/ext2_ext_attr.h $(srcdir)/hashmap.h $(srcdir)/bitops.h +tst_bitmaps_standalone.o: $(srcdir)/tst_bitmaps_standalone.c $(top_builddir)/lib/config.h \ + $(top_builddir)/lib/dirpaths.h $(srcdir)/ext2_fs.h \ + $(top_builddir)/lib/ext2fs/ext2_types.h $(srcdir)/ext2fs.h \ + $(srcdir)/ext2_fs.h $(srcdir)/ext3_extents.h $(top_srcdir)/lib/et/com_err.h \ + $(srcdir)/ext2_io.h $(top_builddir)/lib/ext2fs/ext2_err.h \ + $(srcdir)/ext2_ext_attr.h $(srcdir)/hashmap.h $(srcdir)/bitops.h undo_io.o: $(srcdir)/undo_io.c $(top_builddir)/lib/config.h \ $(top_builddir)/lib/dirpaths.h $(srcdir)/ext2_fs.h \ $(top_builddir)/lib/ext2fs/ext2_types.h $(srcdir)/ext2fs.h \ diff --git a/lib/ext2fs/tst_bitmaps_standalone.c b/lib/ext2fs/tst_bitmaps_standalone.c new file mode 100644 index 00000000..325398f8 --- /dev/null +++ b/lib/ext2fs/tst_bitmaps_standalone.c @@ -0,0 +1,173 @@ +#include "config.h" +#include <stdio.h> +#include <string.h> +#include <assert.h> +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <fcntl.h> +#include <time.h> +#include <sys/stat.h> +#include <sys/types.h> +#if HAVE_ERRNO_H +#include <errno.h> +#endif + +#include "ext2_fs.h" +#include "ext2fs.h" +#include "bmap64.h" + +ext2_filsys test_fs; +ext2fs_block_bitmap block_map_1; +ext2fs_block_bitmap block_map_2; +ext2fs_block_bitmap block_map; + +static int test_fail = 0; + +void dump_bitmap(ext2fs_generic_bitmap bmap, unsigned int start, unsigned num) +{ + unsigned char *buf; + errcode_t retval; + int i, len = (num - start + 7) / 8; + + buf = malloc(len); + if (!buf) { + com_err("dump_bitmap", 0, "couldn't allocate buffer"); + return; + } + memset(buf, 0, len); + retval = ext2fs_get_generic_bmap_range(bmap, (__u64) start, num, buf); + if (retval) { + com_err("dump_bitmap", retval, + "while calling ext2fs_generic_bmap_range"); + free(buf); + return; + } + for (i=len-1; i >= 0; i--) + printf("%02x ", buf[i]); + printf("\n"); + printf("bits set: %u\n", ext2fs_bitcount(buf, len)); + free(buf); +} + +static void test_copy_run() +{ + int blocks[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 21, 23, 26, 29, 33, 37, 38}; + errcode_t ret; + char *buf_map = NULL; + char *buf_copy_map = NULL; + + assert(ext2fs_allocate_block_bitmap(test_fs, "block bitmap", &block_map_1) == 0); + + for (int i = 0; i < sizeof(blocks)/sizeof(blocks[0]); i++) { + ext2fs_mark_block_bitmap2(block_map_1, blocks[i]); + } + + assert(ext2fs_copy_bitmap(block_map_1, &block_map) == 0); + + if (ext2fs_compare_block_bitmap(block_map_1, block_map) != 0) { + printf("block bitmap copy test failed\n"); + test_fail++; + + dump_bitmap(block_map_1, test_fs->super->s_first_data_block, + test_fs->super->s_blocks_count); + + dump_bitmap(block_map, test_fs->super->s_first_data_block, + test_fs->super->s_blocks_count); + } + + ext2fs_free_block_bitmap(block_map_1); + ext2fs_free_block_bitmap(block_map); +} + +void test_merge_run() +{ + int blocks_odd[] = {1, 3, 5, 7, 9, 21, 23, 29, 33, 37}; + int blocks_even[] = {2, 4, 6, 8, 10, 26, 38}; + ext2fs_generic_bitmap_64 tmp_map; + + assert(ext2fs_allocate_block_bitmap(test_fs, "block bitmap 1", &block_map_1) == 0); + assert(ext2fs_allocate_block_bitmap(test_fs, "block bitmap 2", &block_map_2) == 0); + assert(ext2fs_allocate_block_bitmap(test_fs, "block bitmap 2", &block_map) == 0); + + for (int i = 0; i < sizeof(blocks_odd) / sizeof(blocks_odd[0]); i++) { + ext2fs_mark_block_bitmap2(block_map_1, blocks_odd[i]); + ext2fs_mark_block_bitmap2(block_map, blocks_odd[i]); + } + + for (int i = 0; i < sizeof(blocks_even) / sizeof(blocks_even[0]); i++) { + ext2fs_mark_block_bitmap2(block_map_2, blocks_even[i]); + ext2fs_mark_block_bitmap2(block_map, blocks_even[i]); + } + + assert(ext2fs_merge_bitmap(block_map_2, block_map_1, NULL, NULL) == 0); + if (ext2fs_compare_block_bitmap(block_map_1, block_map) != 0) { + printf("block bitmap merge test failed\n"); + test_fail++; + + dump_bitmap(block_map_1, test_fs->super->s_first_data_block, + test_fs->super->s_blocks_count); + + dump_bitmap(block_map, test_fs->super->s_first_data_block, + test_fs->super->s_blocks_count); + } + + ext2fs_free_block_bitmap(block_map_1); + ext2fs_free_block_bitmap(block_map_2); + ext2fs_free_block_bitmap(block_map); +} + +static void setup_filesystem(const char *name, unsigned int blocks, + unsigned int inodes, unsigned int type, + unsigned int flags) +{ + struct ext2_super_block param; + errcode_t ret; + + memset(¶m, 0, sizeof(param)); + ext2fs_blocks_count_set(¶m, blocks); + param.s_inodes_count = inodes; + + ret = ext2fs_initialize(name, flags, ¶m, test_io_manager, + &test_fs); + if (ret) { + com_err(name, ret, "while initializing filesystem"); + return; + } + + test_fs->default_bitmap_type = type; + + ext2fs_free_block_bitmap(test_fs->block_map); + ext2fs_free_block_bitmap(test_fs->inode_map); + + return; +errout: + ext2fs_close_free(&test_fs); +} + +int main(int argc, char **argv) +{ + unsigned int blocks = 127; + unsigned int inodes = 0; + unsigned int type = EXT2FS_BMAP64_RBTREE; + unsigned int flags = EXT2_FLAG_64BITS; + char *buf = NULL; + + setup_filesystem(argv[0], blocks, inodes, type, flags); + + /* test for EXT2FS_BMAP64_RBTREE */ + test_copy_run(); + test_merge_run(); + + /* test for EXT2FS_BMAP64_BITARRAY */ + test_fs->default_bitmap_type = EXT2FS_BMAP64_BITARRAY; + test_copy_run(); + test_merge_run(); + + if (test_fail) + printf("%s: Test copy & merge bitmaps -- NOT OK\n", argv[0]); + else + printf("%s: Test copy & merge bitmaps -- OK\n", argv[0]); + + return test_fail; +} -- 2.35.3
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