mirror of https://github.com/vitalif/e2fsprogs
libext2fs: add a unit test for inline data
In this unit test, we will test the interface of inline data and make sure it is fine. Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>pu
Zheng Liu
Theodore Ts'o
parent
be31a8de5a
commit
3125348838
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@ -397,6 +397,11 @@ tst_inline: $(srcdir)/inline.c $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBCOM_ERR)
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$(Q) $(CC) -o tst_inline $(srcdir)/inline.c $(ALL_CFLAGS) -DDEBUG \
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$(STATIC_LIBEXT2FS) $(STATIC_LIBCOM_ERR) $(SYSLIBS)
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tst_inline_data: inline_data.c $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBCOM_ERR)
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$(E) " LD $@"
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$(Q) $(CC) -o tst_inline_data $(srcdir)/inline_data.c $(ALL_CFLAGS) \
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-DDEBUG $(STATIC_LIBEXT2FS) $(STATIC_LIBCOM_ERR)
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tst_csum: csum.c $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBCOM_ERR) $(STATIC_LIBE2P) \
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$(top_srcdir)/lib/e2p/e2p.h
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$(E) " LD $@"
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@ -416,7 +421,7 @@ mkjournal: mkjournal.c $(STATIC_LIBEXT2FS) $(DEPLIBCOM_ERR)
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check:: tst_bitops tst_badblocks tst_iscan tst_types tst_icount \
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tst_super_size tst_types tst_inode_size tst_csum tst_crc32c tst_bitmaps \
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tst_inline
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tst_inline tst_inline_data
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_bitops
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_badblocks
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_iscan
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@ -426,6 +431,7 @@ check:: tst_bitops tst_badblocks tst_iscan tst_types tst_icount \
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_inode_size
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_csum
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_inline
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_inline_data
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) ./tst_crc32c
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LD_LIBRARY_PATH=$(LIB) DYLD_LIBRARY_PATH=$(LIB) \
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./tst_bitmaps -f $(srcdir)/tst_bitmaps_cmds > tst_bitmaps_out
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@ -553,3 +553,263 @@ errcode_t ext2fs_inline_data_set(ext2_filsys fs, ext2_ino_t ino,
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data.ea_data = buf + EXT4_MIN_INLINE_DATA_SIZE;
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return ext2fs_inline_data_ea_set(&data);
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}
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#ifdef DEBUG
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#include "e2p/e2p.h"
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/*
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* The length of buffer is set to 64 because in inode's i_block member it only
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* can save 60 bytes. Thus this value can let the data being saved in extra
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* space.
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*/
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#define BUFF_SIZE (64)
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static errcode_t file_test(ext2_filsys fs)
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{
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struct ext2_inode inode;
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ext2_ino_t newfile;
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errcode_t retval;
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size_t size;
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char *buf = 0, *cmpbuf = 0;
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int i;
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/* create a new file */
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retval = ext2fs_new_inode(fs, 2, 010755, 0, &newfile);
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if (retval) {
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com_err("file_test", retval, "while allocaing a new inode");
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return 1;
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}
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memset(&inode, 0, sizeof(inode));
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inode.i_flags |= EXT4_INLINE_DATA_FL;
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inode.i_size = EXT4_MIN_INLINE_DATA_SIZE;
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inode.i_mode = LINUX_S_IFREG;
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retval = ext2fs_write_new_inode(fs, newfile, &inode);
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if (retval) {
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com_err("file_test", retval, "while writting a new inode");
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return 1;
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}
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retval = ext2fs_inline_data_init(fs, newfile);
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if (retval) {
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com_err("file_test", retval, "while init 'system.data'");
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return 1;
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}
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retval = ext2fs_inline_data_size(fs, newfile, &size);
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if (retval) {
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com_err("file_test", retval, "while getting size");
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return 1;
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}
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if (size != EXT4_MIN_INLINE_DATA_SIZE) {
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fprintf(stderr,
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"tst_inline_data: size of inline data is wrong\n");
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return 1;
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}
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ext2fs_get_mem(BUFF_SIZE, &buf);
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memset(buf, 'a', BUFF_SIZE);
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retval = ext2fs_inline_data_set(fs, newfile, 0, buf, BUFF_SIZE);
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if (retval) {
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com_err("file_test", retval,
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"while setting inline data %s", buf);
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goto err;
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}
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ext2fs_get_mem(BUFF_SIZE, &cmpbuf);
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retval = ext2fs_inline_data_get(fs, newfile, 0, cmpbuf, &size);
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if (retval) {
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com_err("file_test", retval, "while getting inline data");
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goto err;
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}
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if (size != BUFF_SIZE) {
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fprintf(stderr,
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"tst_inline_data: size %lu != buflen %lu\n",
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size, BUFF_SIZE);
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retval = 1;
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goto err;
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}
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if (memcmp(buf, cmpbuf, BUFF_SIZE)) {
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fprintf(stderr, "tst_inline_data: buf != cmpbuf\n");
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retval = 1;
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goto err;
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}
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retval = ext2fs_punch(fs, newfile, 0, 0, 0, ~0ULL);
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if (retval) {
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com_err("file_test", retval, "while truncating inode");
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goto err;
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}
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/* reload inode and check isize */
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ext2fs_read_inode(fs, newfile, &inode);
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if (inode.i_size != 0) {
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fprintf(stderr, "tst_inline_data: i_size should be 0\n");
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retval = 1;
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}
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err:
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if (cmpbuf)
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ext2fs_free_mem(&cmpbuf);
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if (buf)
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ext2fs_free_mem(&buf);
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return retval;
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}
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static errcode_t dir_test(ext2_filsys fs)
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{
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const char *dot_name = ".";
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const char *stub_name = "stub";
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const char *parent_name = "test";
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ext2_ino_t parent, dir, tmp;
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errcode_t retval;
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char dirname[PATH_MAX];
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int i;
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retval = ext2fs_mkdir(fs, 11, 11, stub_name);
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if (retval) {
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com_err("dir_test", retval, "while creating %s dir", stub_name);
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return retval;
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}
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retval = ext2fs_mkdir(fs, 11, 0, parent_name);
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if (retval) {
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com_err("dir_test", retval,
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"while creating %s dir", parent_name);
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return retval;
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}
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retval = ext2fs_lookup(fs, 11, parent_name, strlen(parent_name),
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0, &parent);
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if (retval) {
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com_err("dir_test", retval,
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"while looking up %s dir", parent_name);
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return retval;
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}
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retval = ext2fs_lookup(fs, parent, dot_name, strlen(dot_name),
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0, &tmp);
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if (retval) {
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com_err("dir_test", retval,
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"while looking up %s dir", parent_name);
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return retval;
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}
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if (parent != tmp) {
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fprintf(stderr, "tst_inline_data: parent (%lu) != tmp (%lu)\n",
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parent, tmp);
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return 1;
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}
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for (i = 0, dir = 13; i < 4; i++, dir++) {
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tmp = 0;
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snprintf(dirname, PATH_MAX, "%d", i);
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retval = ext2fs_mkdir(fs, parent, 0, dirname);
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if (retval) {
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com_err("dir_test", retval,
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"while creating %s dir", dirname);
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return retval;
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}
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retval = ext2fs_lookup(fs, parent, dirname, strlen(dirname),
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0, &tmp);
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if (retval) {
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com_err("dir_test", retval,
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"while looking up %s dir", parent_name);
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return retval;
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}
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if (dir != tmp) {
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fprintf(stderr, "tst_inline_data: dir (%lu) != tmp (%lu)\n",
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dir, tmp);
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return 1;
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}
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}
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snprintf(dirname, PATH_MAX, "%d", i);
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retval = ext2fs_mkdir(fs, parent, 0, dirname);
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if (retval && retval != EXT2_ET_DIR_NO_SPACE) {
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com_err("dir_test", retval, "while creating %s dir", dirname);
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return retval;
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}
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retval = ext2fs_expand_dir(fs, parent);
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if (retval) {
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com_err("dir_test", retval, "while expanding %s dir", parent_name);
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return retval;
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}
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return 0;
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}
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int main(int argc, char *argv[])
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{
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ext2_filsys fs;
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struct ext2_super_block param;
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errcode_t retval;
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int i;
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/* setup */
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initialize_ext2_error_table();
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memset(¶m, 0, sizeof(param));
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ext2fs_blocks_count_set(¶m, 32768);
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param.s_inodes_count = 100;
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param.s_feature_incompat |= EXT4_FEATURE_INCOMPAT_INLINE_DATA;
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param.s_rev_level = EXT2_DYNAMIC_REV;
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param.s_inode_size = 256;
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retval = ext2fs_initialize("test fs", EXT2_FLAG_64BITS, ¶m,
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test_io_manager, &fs);
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if (retval) {
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com_err("setup", retval,
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"while initializing filesystem");
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exit(1);
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}
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retval = ext2fs_allocate_tables(fs);
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if (retval) {
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com_err("setup", retval,
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"while allocating tables for test filesysmte");
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exit(1);
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}
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/* initialize inode cache */
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if (!fs->icache) {
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struct ext2_inode inode;
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ext2_ino_t first_ino = EXT2_FIRST_INO(fs->super);
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int i;
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/* we just want to init inode cache. So ignore error */
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ext2fs_create_inode_cache(fs, 16);
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if (!fs->icache) {
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fprintf(stderr,
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"tst_inline_data: init inode cache failed\n");
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exit(1);
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}
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/* setup inode cache */
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for (i = 0; i < fs->icache->cache_size; i++)
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fs->icache->cache[i].ino = first_ino++;
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}
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/* test */
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if (file_test(fs)) {
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fprintf(stderr, "tst_inline_data(FILE): FAILED\n");
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return 1;
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}
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printf("tst_inline_data(FILE): OK\n");
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if (dir_test(fs)) {
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fprintf(stderr, "tst_inline_data(DIR): FAILED\n");
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return 1;
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}
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printf("tst_inline_data(DIR): OK\n");
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return 0;
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}
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#endif
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