blob: c0fc4ed1d6c7e14f7a257b789c90632434c15e49 [file] [log] [blame]
/*
* inline_data.c --- data in inode
*
* Copyright (C) 2012 Zheng Liu <wenqing.lz@taobao.com>
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU library
* General Public License, version 2.
* %End-Header%
*/
#include "config.h"
#include <stdio.h>
#include <time.h>
#include <limits.h> /* for PATH_MAX */
#include "ext2_fs.h"
#include "ext2_ext_attr.h"
#include "ext2fs.h"
#include "ext2fsP.h"
struct ext2_inline_data {
ext2_filsys fs;
ext2_ino_t ino;
size_t ea_size; /* the size of inline data in ea area */
void *ea_data;
};
static errcode_t ext2fs_inline_data_ea_set(struct ext2_inline_data *data)
{
struct ext2_xattr_handle *handle;
errcode_t retval;
retval = ext2fs_xattrs_open(data->fs, data->ino, &handle);
if (retval)
return retval;
retval = ext2fs_xattrs_read(handle);
if (retval)
goto err;
retval = ext2fs_xattr_set(handle, "system.data",
data->ea_data, data->ea_size);
if (retval)
goto err;
retval = ext2fs_xattrs_write(handle);
err:
(void) ext2fs_xattrs_close(&handle);
return retval;
}
static errcode_t ext2fs_inline_data_ea_get(struct ext2_inline_data *data)
{
struct ext2_xattr_handle *handle;
errcode_t retval;
data->ea_size = 0;
data->ea_data = 0;
retval = ext2fs_xattrs_open(data->fs, data->ino, &handle);
if (retval)
return retval;
retval = ext2fs_xattrs_read(handle);
if (retval)
goto err;
retval = ext2fs_xattr_get(handle, "system.data",
(void **)&data->ea_data, &data->ea_size);
if (retval == EXT2_ET_EA_KEY_NOT_FOUND) {
data->ea_size = 0;
data->ea_data = NULL;
retval = 0;
} else if (retval)
goto err;
err:
(void) ext2fs_xattrs_close(&handle);
return retval;
}
errcode_t ext2fs_inline_data_init(ext2_filsys fs, ext2_ino_t ino)
{
struct ext2_inline_data data;
char empty[1] = { '\0' };
data.fs = fs;
data.ino = ino;
data.ea_size = 0;
data.ea_data = empty;
return ext2fs_inline_data_ea_set(&data);
}
errcode_t ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino, size_t *size)
{
struct ext2_inode inode;
struct ext2_inline_data data;
errcode_t retval;
retval = ext2fs_read_inode(fs, ino, &inode);
if (retval)
return retval;
if (!(inode.i_flags & EXT4_INLINE_DATA_FL))
return EXT2_ET_NO_INLINE_DATA;
data.fs = fs;
data.ino = ino;
retval = ext2fs_inline_data_ea_get(&data);
if (retval)
return retval;
*size = EXT4_MIN_INLINE_DATA_SIZE + data.ea_size;
return ext2fs_free_mem(&data.ea_data);
}
int ext2fs_inline_data_dir_iterate(ext2_filsys fs, ext2_ino_t ino,
void *priv_data)
{
struct dir_context *ctx;
struct ext2_inode inode;
struct ext2_dir_entry dirent;
struct ext2_inline_data data;
int ret = BLOCK_ABORT;
e2_blkcnt_t blockcnt = 0;
char *old_buf;
unsigned int old_buflen;
int old_flags;
ctx = (struct dir_context *)priv_data;
old_buf = ctx->buf;
old_buflen = ctx->buflen;
old_flags = ctx->flags;
ctx->flags |= DIRENT_FLAG_INCLUDE_INLINE_DATA;
ctx->errcode = ext2fs_read_inode(fs, ino, &inode);
if (ctx->errcode)
goto out;
if (!(inode.i_flags & EXT4_INLINE_DATA_FL)) {
ctx->errcode = EXT2_ET_NO_INLINE_DATA;
goto out;
}
if (!LINUX_S_ISDIR(inode.i_mode)) {
ctx->errcode = EXT2_ET_NO_DIRECTORY;
goto out;
}
ret = 0;
/* we first check '.' and '..' dir */
dirent.inode = ino;
dirent.name_len = 1;
ext2fs_set_rec_len(fs, EXT2_DIR_REC_LEN(2), &dirent);
dirent.name[0] = '.';
dirent.name[1] = '\0';
ctx->buf = (char *)&dirent;
ext2fs_get_rec_len(fs, &dirent, &ctx->buflen);
ret |= ext2fs_process_dir_block(fs, 0, blockcnt++, 0, 0, priv_data);
if (ret & BLOCK_ABORT)
goto out;
dirent.inode = ext2fs_le32_to_cpu(inode.i_block[0]);
dirent.name_len = 2;
ext2fs_set_rec_len(fs, EXT2_DIR_REC_LEN(3), &dirent);
dirent.name[0] = '.';
dirent.name[1] = '.';
dirent.name[2] = '\0';
ctx->buf = (char *)&dirent;
ext2fs_get_rec_len(fs, &dirent, &ctx->buflen);
ret |= ext2fs_process_dir_block(fs, 0, blockcnt++, 0, 0, priv_data);
if (ret & BLOCK_INLINE_DATA_CHANGED) {
errcode_t err;
inode.i_block[0] = ext2fs_cpu_to_le32(dirent.inode);
err = ext2fs_write_inode(fs, ino, &inode);
if (err)
goto out;
ret &= ~BLOCK_INLINE_DATA_CHANGED;
}
if (ret & BLOCK_ABORT)
goto out;
ctx->buf = (char *)inode.i_block + EXT4_INLINE_DATA_DOTDOT_SIZE;
ctx->buflen = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DATA_DOTDOT_SIZE;
#ifdef WORDS_BIGENDIAN
ctx->errcode = ext2fs_dirent_swab_in2(fs, ctx->buf, ctx->buflen, 0);
if (ctx->errcode) {
ret |= BLOCK_ABORT;
goto out;
}
#endif
ret |= ext2fs_process_dir_block(fs, 0, blockcnt++, 0, 0, priv_data);
if (ret & BLOCK_INLINE_DATA_CHANGED) {
#ifdef WORDS_BIGENDIAN
ctx->errcode = ext2fs_dirent_swab_out2(fs, ctx->buf,
ctx->buflen, 0);
if (ctx->errcode) {
ret |= BLOCK_ABORT;
goto out;
}
#endif
ctx->errcode = ext2fs_write_inode(fs, ino, &inode);
if (ctx->errcode)
ret |= BLOCK_ABORT;
ret &= ~BLOCK_INLINE_DATA_CHANGED;
}
if (ret & BLOCK_ABORT)
goto out;
data.fs = fs;
data.ino = ino;
ctx->errcode = ext2fs_inline_data_ea_get(&data);
if (ctx->errcode) {
ret |= BLOCK_ABORT;
goto out;
}
if (data.ea_size <= 0)
goto out1;
ctx->buf = data.ea_data;
ctx->buflen = data.ea_size;
#ifdef WORDS_BIGENDIAN
ctx->errcode = ext2fs_dirent_swab_in2(fs, ctx->buf, ctx->buflen, 0);
if (ctx->errcode) {
ret |= BLOCK_ABORT;
goto out1;
}
#endif
ret |= ext2fs_process_dir_block(fs, 0, blockcnt++, 0, 0, priv_data);
if (ret & BLOCK_INLINE_DATA_CHANGED) {
#ifdef WORDS_BIGENDIAN
ctx->errcode = ext2fs_dirent_swab_out2(fs, ctx->buf,
ctx->buflen, 0);
if (ctx->errcode) {
ret |= BLOCK_ABORT;
goto out1;
}
#endif
ctx->errcode = ext2fs_inline_data_ea_set(&data);
if (ctx->errcode)
ret |= BLOCK_ABORT;
}
out1:
ext2fs_free_mem(&data.ea_data);
out:
ctx->buf = old_buf;
ctx->buflen = old_buflen;
ctx->flags = old_flags;
ret &= ~(BLOCK_ABORT | BLOCK_INLINE_DATA_CHANGED);
return ret;
}
errcode_t ext2fs_inline_data_ea_remove(ext2_filsys fs, ext2_ino_t ino)
{
struct ext2_xattr_handle *handle;
errcode_t retval;
retval = ext2fs_xattrs_open(fs, ino, &handle);
if (retval)
return retval;
retval = ext2fs_xattrs_read(handle);
if (retval)
goto err;
retval = ext2fs_xattr_remove(handle, "system.data");
if (retval)
goto err;
retval = ext2fs_xattrs_write(handle);
err:
(void) ext2fs_xattrs_close(&handle);
return retval;
}
static errcode_t ext2fs_inline_data_convert_dir(ext2_filsys fs, ext2_ino_t ino,
char *bbuf, char *ibuf, int size)
{
struct ext2_dir_entry *dir, *dir2;
struct ext2_dir_entry_tail *t;
errcode_t retval;
int offset;
unsigned int rec_len;
int csum_size = 0;
int filetype = 0;
if (ext2fs_has_feature_metadata_csum(fs->super))
csum_size = sizeof(struct ext2_dir_entry_tail);
/* Create '.' and '..' */
if (ext2fs_has_feature_filetype(fs->super))
filetype = EXT2_FT_DIR;
/*
* Set up entry for '.'
*/
dir = (struct ext2_dir_entry *) bbuf;
dir->inode = ino;
ext2fs_dirent_set_name_len(dir, 1);
ext2fs_dirent_set_file_type(dir, filetype);
dir->name[0] = '.';
rec_len = (fs->blocksize - csum_size) - EXT2_DIR_REC_LEN(1);
dir->rec_len = EXT2_DIR_REC_LEN(1);
/*
* Set up entry for '..'
*/
dir = (struct ext2_dir_entry *) (bbuf + dir->rec_len);
dir->rec_len = EXT2_DIR_REC_LEN(2);
dir->inode = ext2fs_le32_to_cpu(((__u32 *)ibuf)[0]);
ext2fs_dirent_set_name_len(dir, 2);
ext2fs_dirent_set_file_type(dir, filetype);
dir->name[0] = '.';
dir->name[1] = '.';
/*
* Ajust the last rec_len
*/
offset = EXT2_DIR_REC_LEN(1) + EXT2_DIR_REC_LEN(2);
dir = (struct ext2_dir_entry *) (bbuf + offset);
memcpy(bbuf + offset, ibuf + EXT4_INLINE_DATA_DOTDOT_SIZE,
size - EXT4_INLINE_DATA_DOTDOT_SIZE);
size += EXT2_DIR_REC_LEN(1) + EXT2_DIR_REC_LEN(2) -
EXT4_INLINE_DATA_DOTDOT_SIZE;
do {
dir2 = dir;
retval = ext2fs_get_rec_len(fs, dir, &rec_len);
if (retval)
goto err;
offset += rec_len;
dir = (struct ext2_dir_entry *) (bbuf + offset);
} while (offset < size);
rec_len += fs->blocksize - csum_size - offset;
retval = ext2fs_set_rec_len(fs, rec_len, dir2);
if (retval)
goto err;
if (csum_size) {
t = EXT2_DIRENT_TAIL(bbuf, fs->blocksize);
ext2fs_initialize_dirent_tail(fs, t);
}
err:
return retval;
}
static errcode_t
ext2fs_inline_data_dir_expand(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode, char *buf, size_t size)
{
errcode_t retval;
blk64_t blk;
char *blk_buf;
retval = ext2fs_get_memzero(fs->blocksize, &blk_buf);
if (retval)
return retval;
#ifdef WORDS_BIGENDIAN
retval = ext2fs_dirent_swab_in2(fs, buf + EXT4_INLINE_DATA_DOTDOT_SIZE,
size, 0);
if (retval)
goto errout;
#endif
/* Adjust the rec_len */
retval = ext2fs_inline_data_convert_dir(fs, ino, blk_buf, buf, size);
if (retval)
goto errout;
/* Allocate a new block */
retval = ext2fs_new_block2(fs, 0, 0, &blk);
if (retval)
goto errout;
retval = ext2fs_write_dir_block4(fs, blk, blk_buf, 0, ino);
if (retval)
goto errout;
/* Update inode */
if (ext2fs_has_feature_extents(fs->super))
inode->i_flags |= EXT4_EXTENTS_FL;
inode->i_flags &= ~EXT4_INLINE_DATA_FL;
retval = ext2fs_iblk_add_blocks(fs, inode, 1);
if (retval)
goto errout;
inode->i_size = fs->blocksize;
retval = ext2fs_bmap2(fs, ino, inode, 0, BMAP_SET, 0, 0, &blk);
if (retval)
goto errout;
retval = ext2fs_write_inode(fs, ino, inode);
if (retval)
goto errout;
ext2fs_block_alloc_stats(fs, blk, +1);
errout:
ext2fs_free_mem(&blk_buf);
return retval;
}
static errcode_t
ext2fs_inline_data_file_expand(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode, char *buf, size_t size)
{
ext2_file_t e2_file;
errcode_t retval;
/* Update inode */
memset(inode->i_block, 0, sizeof(inode->i_block));
if (ext2fs_has_feature_extents(fs->super)) {
ext2_extent_handle_t handle;
inode->i_flags &= ~EXT4_EXTENTS_FL;
retval = ext2fs_extent_open2(fs, ino, inode, &handle);
if (retval)
return retval;
ext2fs_extent_free(handle);
}
inode->i_flags &= ~EXT4_INLINE_DATA_FL;
inode->i_size = 0;
retval = ext2fs_write_inode(fs, ino, inode);
if (retval)
return retval;
/* Write out the block buffer */
retval = ext2fs_file_open(fs, ino, EXT2_FILE_WRITE, &e2_file);
if (retval)
return retval;
retval = ext2fs_file_write(e2_file, buf, size, 0);
ext2fs_file_close(e2_file);
return retval;
}
errcode_t ext2fs_inline_data_expand(ext2_filsys fs, ext2_ino_t ino)
{
struct ext2_inode inode;
struct ext2_inline_data data;
errcode_t retval;
size_t inline_size;
char *inline_buf = 0;
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
retval = ext2fs_read_inode(fs, ino, &inode);
if (retval)
return retval;
if (!(inode.i_flags & EXT4_INLINE_DATA_FL))
return EXT2_ET_NO_INLINE_DATA;
data.fs = fs;
data.ino = ino;
retval = ext2fs_inline_data_ea_get(&data);
if (retval)
return retval;
inline_size = data.ea_size + EXT4_MIN_INLINE_DATA_SIZE;
retval = ext2fs_get_mem(inline_size, &inline_buf);
if (retval)
goto errout;
memcpy(inline_buf, (void *)inode.i_block, EXT4_MIN_INLINE_DATA_SIZE);
if (data.ea_size > 0) {
memcpy(inline_buf + EXT4_MIN_INLINE_DATA_SIZE,
data.ea_data, data.ea_size);
}
memset((void *)inode.i_block, 0, EXT4_MIN_INLINE_DATA_SIZE);
/*
* NOTE: We must do this write -> ea_remove -> read cycle here because
* removing the inline data EA can free the EA block, which is a change
* that our stack copy of the inode will never see. If that happens,
* we can end up with the EA block and lblk 0 pointing to the same
* pblk, which is bad news.
*/
retval = ext2fs_write_inode(fs, ino, &inode);
if (retval)
goto errout;
retval = ext2fs_inline_data_ea_remove(fs, ino);
if (retval)
goto errout;
retval = ext2fs_read_inode(fs, ino, &inode);
if (retval)
goto errout;
if (LINUX_S_ISDIR(inode.i_mode)) {
retval = ext2fs_inline_data_dir_expand(fs, ino, &inode,
inline_buf, inline_size);
} else {
retval = ext2fs_inline_data_file_expand(fs, ino, &inode,
inline_buf, inline_size);
}
errout:
if (inline_buf)
ext2fs_free_mem(&inline_buf);
ext2fs_free_mem(&data.ea_data);
return retval;
}
/*
* When caller uses this function to retrieve the inline data, it must
* allocate a buffer which has the size of inline data. The size of
* inline data can be know by ext2fs_inline_data_get_size().
*/
errcode_t ext2fs_inline_data_get(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode,
void *buf, size_t *size)
{
struct ext2_inode inode_buf;
struct ext2_inline_data data;
errcode_t retval;
if (!inode) {
retval = ext2fs_read_inode(fs, ino, &inode_buf);
if (retval)
return retval;
inode = &inode_buf;
}
data.fs = fs;
data.ino = ino;
retval = ext2fs_inline_data_ea_get(&data);
if (retval)
return retval;
memcpy(buf, (void *)inode->i_block, EXT4_MIN_INLINE_DATA_SIZE);
if (data.ea_size > 0)
memcpy((char *) buf + EXT4_MIN_INLINE_DATA_SIZE,
data.ea_data, data.ea_size);
if (size)
*size = EXT4_MIN_INLINE_DATA_SIZE + data.ea_size;
ext2fs_free_mem(&data.ea_data);
return 0;
}
errcode_t ext2fs_inline_data_set(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode,
void *buf, size_t size)
{
struct ext2_inode inode_buf;
struct ext2_inline_data data;
errcode_t retval;
size_t free_ea_size, existing_size, free_inode_size;
if (!inode) {
retval = ext2fs_read_inode(fs, ino, &inode_buf);
if (retval)
return retval;
inode = &inode_buf;
}
if (size <= EXT4_MIN_INLINE_DATA_SIZE) {
memcpy((void *)inode->i_block, buf, size);
return ext2fs_write_inode(fs, ino, inode);
}
retval = ext2fs_xattr_inode_max_size(fs, ino, &free_ea_size);
if (retval)
return retval;
retval = ext2fs_inline_data_size(fs, ino, &existing_size);
if (retval)
return retval;
if (existing_size < EXT4_MIN_INLINE_DATA_SIZE)
free_inode_size = EXT4_MIN_INLINE_DATA_SIZE - existing_size;
else
free_inode_size = 0;
if (size != existing_size &&
size > existing_size + free_ea_size + free_inode_size)
return EXT2_ET_INLINE_DATA_NO_SPACE;
memcpy((void *)inode->i_block, buf, EXT4_MIN_INLINE_DATA_SIZE);
retval = ext2fs_write_inode(fs, ino, inode);
if (retval)
return retval;
data.fs = fs;
data.ino = ino;
if (size > EXT4_MIN_INLINE_DATA_SIZE)
data.ea_size = size - EXT4_MIN_INLINE_DATA_SIZE;
else
data.ea_size = 0;
data.ea_data = (char *) buf + EXT4_MIN_INLINE_DATA_SIZE;
return ext2fs_inline_data_ea_set(&data);
}
#ifdef DEBUG
#include "e2p/e2p.h"
/*
* The length of buffer is set to 64 because in inode's i_block member it only
* can save 60 bytes. Thus this value can let the data being saved in extra
* space.
*/
#define BUFF_SIZE (64)
static errcode_t file_test(ext2_filsys fs)
{
struct ext2_inode inode;
ext2_ino_t newfile;
errcode_t retval;
size_t size;
char *buf = 0, *cmpbuf = 0;
/* create a new file */
retval = ext2fs_new_inode(fs, 2, 010755, 0, &newfile);
if (retval) {
com_err("file_test", retval, "while allocaing a new inode");
return 1;
}
memset(&inode, 0, sizeof(inode));
inode.i_flags |= EXT4_INLINE_DATA_FL;
inode.i_size = EXT4_MIN_INLINE_DATA_SIZE;
inode.i_mode = LINUX_S_IFREG;
retval = ext2fs_write_new_inode(fs, newfile, &inode);
if (retval) {
com_err("file_test", retval, "while writting a new inode");
return 1;
}
retval = ext2fs_inline_data_init(fs, newfile);
if (retval) {
com_err("file_test", retval, "while init 'system.data'");
return 1;
}
retval = ext2fs_inline_data_size(fs, newfile, &size);
if (retval) {
com_err("file_test", retval, "while getting size");
return 1;
}
if (size != EXT4_MIN_INLINE_DATA_SIZE) {
fprintf(stderr,
"tst_inline_data: size of inline data is wrong\n");
return 1;
}
ext2fs_get_mem(BUFF_SIZE, &buf);
memset(buf, 'a', BUFF_SIZE);
retval = ext2fs_inline_data_set(fs, newfile, 0, buf, BUFF_SIZE);
if (retval) {
com_err("file_test", retval,
"while setting inline data %s", buf);
goto err;
}
ext2fs_get_mem(BUFF_SIZE, &cmpbuf);
retval = ext2fs_inline_data_get(fs, newfile, 0, cmpbuf, &size);
if (retval) {
com_err("file_test", retval, "while getting inline data");
goto err;
}
if (size != BUFF_SIZE) {
fprintf(stderr,
"tst_inline_data: size %lu != buflen %u\n",
size, BUFF_SIZE);
retval = 1;
goto err;
}
if (memcmp(buf, cmpbuf, BUFF_SIZE)) {
fprintf(stderr, "tst_inline_data: buf != cmpbuf\n");
retval = 1;
goto err;
}
retval = ext2fs_punch(fs, newfile, 0, 0, 0, ~0ULL);
if (retval) {
com_err("file_test", retval, "while truncating inode");
goto err;
}
/* reload inode and check isize */
ext2fs_read_inode(fs, newfile, &inode);
if (inode.i_size != 0) {
fprintf(stderr, "tst_inline_data: i_size should be 0\n");
retval = 1;
}
err:
if (cmpbuf)
ext2fs_free_mem(&cmpbuf);
if (buf)
ext2fs_free_mem(&buf);
return retval;
}
static errcode_t dir_test(ext2_filsys fs)
{
const char *dot_name = ".";
const char *stub_name = "stub";
const char *parent_name = "test";
ext2_ino_t parent, dir, tmp;
errcode_t retval;
char dirname[PATH_MAX];
int i;
retval = ext2fs_mkdir(fs, 11, 11, stub_name);
if (retval) {
com_err("dir_test", retval, "while creating %s dir", stub_name);
return retval;
}
retval = ext2fs_mkdir(fs, 11, 0, parent_name);
if (retval) {
com_err("dir_test", retval,
"while creating %s dir", parent_name);
return retval;
}
retval = ext2fs_lookup(fs, 11, parent_name, strlen(parent_name),
0, &parent);
if (retval) {
com_err("dir_test", retval,
"while looking up %s dir", parent_name);
return retval;
}
retval = ext2fs_lookup(fs, parent, dot_name, strlen(dot_name),
0, &tmp);
if (retval) {
com_err("dir_test", retval,
"while looking up %s dir", parent_name);
return retval;
}
if (parent != tmp) {
fprintf(stderr, "tst_inline_data: parent (%u) != tmp (%u)\n",
parent, tmp);
return 1;
}
for (i = 0, dir = 13; i < 4; i++, dir++) {
tmp = 0;
snprintf(dirname, sizeof(dirname), "%d", i);
retval = ext2fs_mkdir(fs, parent, 0, dirname);
if (retval) {
com_err("dir_test", retval,
"while creating %s dir", dirname);
return retval;
}
retval = ext2fs_lookup(fs, parent, dirname, strlen(dirname),
0, &tmp);
if (retval) {
com_err("dir_test", retval,
"while looking up %s dir", parent_name);
return retval;
}
if (dir != tmp) {
fprintf(stderr,
"tst_inline_data: dir (%u) != tmp (%u)\n",
dir, tmp);
return 1;
}
}
snprintf(dirname, sizeof(dirname), "%d", i);
retval = ext2fs_mkdir(fs, parent, 0, dirname);
if (retval && retval != EXT2_ET_DIR_NO_SPACE) {
com_err("dir_test", retval, "while creating %s dir", dirname);
return retval;
}
retval = ext2fs_expand_dir(fs, parent);
if (retval) {
com_err("dir_test", retval, "while expanding %s dir", parent_name);
return retval;
}
return 0;
}
int main(int argc, char *argv[])
{
ext2_filsys fs;
struct ext2_super_block param;
errcode_t retval;
/* setup */
initialize_ext2_error_table();
memset(&param, 0, sizeof(param));
ext2fs_blocks_count_set(&param, 32768);
param.s_inodes_count = 100;
param.s_feature_incompat |= EXT4_FEATURE_INCOMPAT_INLINE_DATA;
param.s_rev_level = EXT2_DYNAMIC_REV;
param.s_inode_size = 256;
retval = ext2fs_initialize("test fs", EXT2_FLAG_64BITS, &param,
test_io_manager, &fs);
if (retval) {
com_err("setup", retval,
"while initializing filesystem");
exit(1);
}
retval = ext2fs_allocate_tables(fs);
if (retval) {
com_err("setup", retval,
"while allocating tables for test filesysmte");
exit(1);
}
/* initialize inode cache */
if (!fs->icache) {
ext2_ino_t first_ino = EXT2_FIRST_INO(fs->super);
int i;
/* we just want to init inode cache. So ignore error */
ext2fs_create_inode_cache(fs, 16);
if (!fs->icache) {
fprintf(stderr,
"tst_inline_data: init inode cache failed\n");
exit(1);
}
/* setup inode cache */
for (i = 0; i < fs->icache->cache_size; i++)
fs->icache->cache[i].ino = first_ino++;
}
/* test */
if (file_test(fs)) {
fprintf(stderr, "tst_inline_data(FILE): FAILED\n");
return 1;
}
printf("tst_inline_data(FILE): OK\n");
if (dir_test(fs)) {
fprintf(stderr, "tst_inline_data(DIR): FAILED\n");
return 1;
}
printf("tst_inline_data(DIR): OK\n");
ext2fs_free(fs);
return 0;
}
#endif