gboolean
pcapng_write_enhanced_packet(GOutputStream *out,
guint if_id, guint64 timestamp,
guint captured_len, guint packet_len,
const guint8 *packet_data,
const ByteChain *options,
GError **err)
{
static const guint8 pad[] = {0,0,0};
ByteChain chain[3];
guint8 header[20];
*(guint32*)(header) = if_id;
*(guint32*)(header + 4) = timestamp >> 32;
*(guint32*)(header + 8) = timestamp;
*(guint32*)(header + 12) = captured_len;
*(guint32*)(header + 16) = packet_len;
chain[0].len = sizeof(header);
chain[0].data.bytes = header;
chain[0].next = &chain[1];
chain[1].len = captured_len;
chain[1].data.bytes = packet_data;
chain[1].next = &chain[2];
chain[2].len = PADLEN(packet_len,4);
chain[2].data.bytes = chain[2].len > 0 ? pad : NULL;
chain[2].next = (ByteChain*)default_options(options);
return pcapng_write_block(out, 0x00000006, chain, err);
}
virtual void SetUp() {
instance = this;
network_output_flag = NET_OUT_UNDEFINED;
network_out_state = STATE_ERROR_UNSPECIFIED;
m_state = BST_MODE_UNINITIALIZED;
retry_advanced_connection = 0;
next_connect_state = BST_STATE_NO_CONNECTION;
connected_confirmed = false;
bst_connect_options o = default_options();
bst_setup(o,NULL, 0, NULL, 0);
useCurrentTimeOverwrite();
}
LsiRewriteDriverFactory::LsiRewriteDriverFactory(
const ProcessContext &process_context,
SystemThreadSystem *system_thread_system, StringPiece hostname, int port)
: SystemRewriteDriverFactory(process_context, system_thread_system,
NULL /* default shared memory runtime */, hostname, port),
m_mainConf(NULL),
m_bThreadsStarted(false),
m_pLsiMessageHandler(new LsiMessageHandler(timer(),
thread_system()->NewMutex())),
m_pHtmlParseLsiMessageHandler(
new LsiMessageHandler(timer(), thread_system()->NewMutex())),
m_pSharedCircularBuffer(NULL),
m_sHostname(hostname.as_string()),
m_iPort(port)
{
InitializeDefaultOptions();
default_options()->set_beacon_url("/ls_pagespeed_beacon");
SystemRewriteOptions *system_options =
dynamic_cast<SystemRewriteOptions *>(default_options());
system_options->set_file_cache_clean_inode_limit(500000);
system_options->set_avoid_renaming_introspective_javascript(true);
set_message_handler(m_pLsiMessageHandler);
set_html_parse_message_handler(m_pHtmlParseLsiMessageHandler);
}
Args::Args(int argc, char *argv[]) {
default_options();
struct option long_options[] = {
{ "mandarin-data", 1, NULL, 'm' },
{ "cantonese-data", 1, NULL, 'c' },
{ "listen-host", 1, NULL, 'h' },
{ "listen-port", 1, NULL, 'p' },
{ "help", 0, NULL, '?' },
{ "version", 0, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
int option_index, c;
while (
(c = getopt_long(
argc,
argv,
"m:c:h:p:?v",
long_options,
&option_index
)) != -1
) {
switch (c) {
case 'c':
GET_ARG_STR(cantoneseDataPath);
break;
case 'm':
GET_ARG_STR(mandarinDataPath);
break;
case 'h':
GET_ARG_STR(listenHost);
break;
case 'p':
GET_ARG_INT(listenPort);
break;
case '?':
help();
exit(0);
break;
case 'v':
version();
exit(0);
break;
}
}
}
TEST_F(StateMachineTests, InitialCredentialsWrong) {
next_connect_state = BST_STATE_NO_CONNECTION;
int len = sizeof("wifi1\0pwd_wrong\0test");
char data[] = "wifi1\0pwd_wrong\0test";
ASSERT_EQ(BST_STATE_NO_CONNECTION, bst_get_connection_state());
bst_setup(default_options(),data,len,NULL,0);
// bst_setup will trigger a connection attempt, which will fail
ASSERT_EQ(BST_MODE_CONNECTING_TO_DEST, bst_get_state());
ASSERT_EQ(BST_STATE_FAILED_CREDENTIALS_WRONG, bst_get_connection_state());
// The state will fallback to wait for bootstrap in the next run.
bst_periodic();
ASSERT_EQ(BST_MODE_CONNECTING_TO_BOOTSTRAP, bst_get_state());
ASSERT_EQ(BST_STATE_CONNECTED, bst_get_connection_state());
}
gboolean
pcapng_write_interface_description(GOutputStream *out,
guint link_type, guint snap_len,
const ByteChain *options,
GError **err)
{
ByteChain chain[1];
guint8 body[8];
*(guint16*)(body) = link_type;
*(guint16*)(body + 2) = 0;
*(guint32*)(body + 4) = snap_len;
chain[0].len = sizeof(body);
chain[0].data.bytes = body;
chain[0].next = (ByteChain*)default_options(options);
return pcapng_write_block(out, 0x00000001, chain, err);
}
gboolean
pcapng_write_section_header(GOutputStream *out,
gint64 section_len,
const ByteChain *options,
GError **err)
{
ByteChain chain[1];
static const guint32 magic = 0x1a2b3c4d;
static const guint16 major_version = 1;
static const guint16 minor_version = 0;
guint8 body[16];
*(guint32*)body = magic;
*(guint16*)(body + 4) = major_version;
*(guint16*)(body + 6) = minor_version;
*(gint64*)(body + 8) = section_len;
chain[0].len = sizeof(body);
chain[0].data.bytes = body;
chain[0].next = (ByteChain*)default_options(options);
return pcapng_write_block(out, 0x0a0d0d0a, chain, err);
}
static int f2fs_remount(struct super_block *sb, int *flags, char *data)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct f2fs_mount_info org_mount_opt;
int err, active_logs;
bool need_restart_gc = false;
bool need_stop_gc = false;
sync_filesystem(sb);
/*
* Save the old mount options in case we
* need to restore them.
*/
org_mount_opt = sbi->mount_opt;
active_logs = sbi->active_logs;
sbi->mount_opt.opt = 0;
default_options(sbi);
/* parse mount options */
err = parse_options(sb, data);
if (err)
goto restore_opts;
/*
* Previous and new state of filesystem is RO,
* so skip checking GC and FLUSH_MERGE conditions.
*/
if (f2fs_readonly(sb) && (*flags & MS_RDONLY))
goto skip;
/*
* We stop the GC thread if FS is mounted as RO
* or if background_gc = off is passed in mount
* option. Also sync the filesystem.
*/
if ((*flags & MS_RDONLY) || !test_opt(sbi, BG_GC)) {
if (sbi->gc_thread) {
stop_gc_thread(sbi);
f2fs_sync_fs(sb, 1);
need_restart_gc = true;
}
} else if (!sbi->gc_thread) {
err = start_gc_thread(sbi);
if (err)
goto restore_opts;
need_stop_gc = true;
}
/*
* We stop issue flush thread if FS is mounted as RO
* or if flush_merge is not passed in mount option.
*/
if ((*flags & MS_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) {
destroy_flush_cmd_control(sbi);
} else if (!SM_I(sbi)->cmd_control_info) {
err = create_flush_cmd_control(sbi);
if (err)
goto restore_gc;
}
skip:
/* Update the POSIXACL Flag */
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);
return 0;
restore_gc:
if (need_restart_gc) {
if (start_gc_thread(sbi))
f2fs_msg(sbi->sb, KERN_WARNING,
"background gc thread has stopped");
} else if (need_stop_gc) {
stop_gc_thread(sbi);
}
restore_opts:
sbi->mount_opt = org_mount_opt;
sbi->active_logs = active_logs;
return err;
}
static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
{
struct f2fs_sb_info *sbi;
struct f2fs_super_block *raw_super;
struct buffer_head *raw_super_buf;
struct inode *root;
long err;
bool retry = true, need_fsck = false;
char *options = NULL;
int recovery, i;
try_onemore:
err = -EINVAL;
raw_super = NULL;
raw_super_buf = NULL;
recovery = 0;
/* allocate memory for f2fs-specific super block info */
sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
/* set a block size */
if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {
f2fs_msg(sb, KERN_ERR, "unable to set blocksize");
goto free_sbi;
}
err = read_raw_super_block(sb, &raw_super, &raw_super_buf, &recovery);
if (err)
goto free_sbi;
sb->s_fs_info = sbi;
default_options(sbi);
/* parse mount options */
options = kstrdup((const char *)data, GFP_KERNEL);
if (data && !options) {
err = -ENOMEM;
goto free_sb_buf;
}
err = parse_options(sb, options);
if (err)
goto free_options;
sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize));
sb->s_max_links = F2FS_LINK_MAX;
get_random_bytes(&sbi->s_next_generation, sizeof(u32));
sb->s_op = &f2fs_sops;
sb->s_xattr = f2fs_xattr_handlers;
sb->s_export_op = &f2fs_export_ops;
sb->s_magic = F2FS_SUPER_MAGIC;
sb->s_time_gran = 1;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);
memcpy(sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid));
/* init f2fs-specific super block info */
sbi->sb = sb;
sbi->raw_super = raw_super;
sbi->raw_super_buf = raw_super_buf;
mutex_init(&sbi->gc_mutex);
mutex_init(&sbi->writepages);
mutex_init(&sbi->cp_mutex);
init_rwsem(&sbi->node_write);
clear_sbi_flag(sbi, SBI_POR_DOING);
spin_lock_init(&sbi->stat_lock);
init_rwsem(&sbi->read_io.io_rwsem);
sbi->read_io.sbi = sbi;
sbi->read_io.bio = NULL;
for (i = 0; i < NR_PAGE_TYPE; i++) {
init_rwsem(&sbi->write_io[i].io_rwsem);
sbi->write_io[i].sbi = sbi;
sbi->write_io[i].bio = NULL;
}
init_rwsem(&sbi->cp_rwsem);
init_waitqueue_head(&sbi->cp_wait);
init_sb_info(sbi);
/* get an inode for meta space */
sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));
if (IS_ERR(sbi->meta_inode)) {
f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
err = PTR_ERR(sbi->meta_inode);
goto free_options;
}
err = get_valid_checkpoint(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");
goto free_meta_inode;
}
/* sanity checking of checkpoint */
err = -EINVAL;
if (sanity_check_ckpt(sbi)) {
f2fs_msg(sb, KERN_ERR, "Invalid F2FS checkpoint");
goto free_cp;
}
sbi->total_valid_node_count =
le32_to_cpu(sbi->ckpt->valid_node_count);
sbi->total_valid_inode_count =
le32_to_cpu(sbi->ckpt->valid_inode_count);
sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count);
sbi->total_valid_block_count =
le64_to_cpu(sbi->ckpt->valid_block_count);
sbi->last_valid_block_count = sbi->total_valid_block_count;
sbi->alloc_valid_block_count = 0;
INIT_LIST_HEAD(&sbi->dir_inode_list);
spin_lock_init(&sbi->dir_inode_lock);
init_extent_cache_info(sbi);
init_ino_entry_info(sbi);
/* setup f2fs internal modules */
err = build_segment_manager(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR,
"Failed to initialize F2FS segment manager");
goto free_sm;
}
err = build_node_manager(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR,
"Failed to initialize F2FS node manager");
goto free_nm;
}
build_gc_manager(sbi);
/* get an inode for node space */
sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
if (IS_ERR(sbi->node_inode)) {
f2fs_msg(sb, KERN_ERR, "Failed to read node inode");
err = PTR_ERR(sbi->node_inode);
goto free_nm;
}
/* if there are nt orphan nodes free them */
recover_orphan_inodes(sbi);
/* read root inode and dentry */
root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
if (IS_ERR(root)) {
f2fs_msg(sb, KERN_ERR, "Failed to read root inode");
err = PTR_ERR(root);
goto free_node_inode;
}
if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
iput(root);
err = -EINVAL;
goto free_node_inode;
}
sb->s_root = d_make_root(root); /* allocate root dentry */
if (!sb->s_root) {
err = -ENOMEM;
goto free_root_inode;
}
err = f2fs_build_stats(sbi);
if (err)
goto free_root_inode;
if (f2fs_proc_root)
sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
if (sbi->s_proc)
proc_create_data("segment_info", S_IRUGO, sbi->s_proc,
&f2fs_seq_segment_info_fops, sb);
if (test_opt(sbi, DISCARD)) {
struct request_queue *q = bdev_get_queue(sb->s_bdev);
if (!blk_queue_discard(q))
f2fs_msg(sb, KERN_WARNING,
"mounting with \"discard\" option, but "
"the device does not support discard");
clear_opt(sbi, DISCARD);
}
sbi->s_kobj.kset = f2fs_kset;
init_completion(&sbi->s_kobj_unregister);
err = kobject_init_and_add(&sbi->s_kobj, &f2fs_ktype, NULL,
"%s", sb->s_id);
if (err)
goto free_proc;
/* recover fsynced data */
if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {
/*
* mount should be failed, when device has readonly mode, and
* previous checkpoint was not done by clean system shutdown.
*/
if (bdev_read_only(sb->s_bdev) &&
!is_set_ckpt_flags(sbi->ckpt, CP_UMOUNT_FLAG)) {
err = -EROFS;
goto free_kobj;
}
if (need_fsck)
set_sbi_flag(sbi, SBI_NEED_FSCK);
err = recover_fsync_data(sbi);
if (err) {
need_fsck = true;
f2fs_msg(sb, KERN_ERR,
"Cannot recover all fsync data errno=%ld", err);
goto free_kobj;
}
}
/*
* If filesystem is not mounted as read-only then
* do start the gc_thread.
*/
if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) {
/* After POR, we can run background GC thread.*/
err = start_gc_thread(sbi);
if (err)
goto free_kobj;
}
kfree(options);
/* recover broken superblock */
if (recovery && !f2fs_readonly(sb) && !bdev_read_only(sb->s_bdev)) {
f2fs_msg(sb, KERN_INFO, "Recover invalid superblock");
f2fs_commit_super(sbi);
}
return 0;
free_kobj:
kobject_del(&sbi->s_kobj);
free_proc:
if (sbi->s_proc) {
remove_proc_entry("segment_info", sbi->s_proc);
remove_proc_entry(sb->s_id, f2fs_proc_root);
}
f2fs_destroy_stats(sbi);
free_root_inode:
dput(sb->s_root);
sb->s_root = NULL;
free_node_inode:
iput(sbi->node_inode);
free_nm:
destroy_node_manager(sbi);
free_sm:
destroy_segment_manager(sbi);
free_cp:
kfree(sbi->ckpt);
free_meta_inode:
make_bad_inode(sbi->meta_inode);
iput(sbi->meta_inode);
free_options:
kfree(options);
free_sb_buf:
brelse(raw_super_buf);
free_sbi:
kfree(sbi);
/* give only one another chance */
if (retry) {
retry = false;
shrink_dcache_sb(sb);
goto try_onemore;
}
return err;
}
/*----------------------------------------------------------------------*/
int main(int argc, char **argv)
{
/* MBIO status variables */
int status = MB_SUCCESS;
int error = MB_ERROR_NO_ERROR;
/* MBIO read control parameters */
int read_datalist = MB_NO;
void *datalist;
int look_processed = MB_DATALIST_LOOK_UNSET;
double file_weight;
mb_path ifile;
/* MBIO read values */
int read_data;
/* counting variables */
counts filerecs;
counts totrecs;
/* processing variables */
options opts;
mbdefaults mbdflts;
/* set default options */
default_options(&opts);
/* mb_mem_debug_on(opts.verbose, &error); */
/* get mbsystem default values */
status = mb_defaults(opts.verbose, &(mbdflts.format), &(mbdflts.pings_get),
&(mbdflts.lonflip), mbdflts.bounds, mbdflts.btime_i,
mbdflts.etime_i, &(mbdflts.speedmin),
&(mbdflts.timegap));
if (status == MB_SUCCESS)
{
parse_options(opts.verbose, argc, argv, &opts, &error);
}
if (opts.errflg)
{
fprintf(stderr, "usage: %s\n", usage_message);
fprintf(stderr, "\nProgram <%s> Terminated\n", program_name);
error = MB_ERROR_BAD_USAGE;
exit(error);
}
/* print starting debug statements */
if (opts.verbose >= 1)
{
print_mbdefaults(opts.verbose, &opts, &mbdflts, &error);
}
/* if help desired then print it and exit */
if (opts.help)
{
fprintf(stderr, "\nProgram %s\n", program_name);
fprintf(stderr, "Version %s\n", rcs_id);
fprintf(stderr, "MB-system Version %s\n", MB_VERSION);
fprintf(stderr, "\nusage: %s\n", usage_message);
fprintf(stderr, "\n%s\n", help_message);
exit(error);
}
/* get format if required */
if (opts.format == 0)
{
mb_get_format(opts.verbose, opts.read_file, NULL, &(opts.format),
&error);
}
/* determine whether to read one file or a list of files */
if (opts.format < 0)
{
read_datalist = MB_YES;
}
/* open file list */
if (read_datalist == MB_YES)
{
if ((status =
mb_datalist_open(opts.verbose, &datalist, opts.read_file,
look_processed, &error)) != MB_SUCCESS)
{
char message[MAX_ERROR_STRING];
sprintf(message, "Unable to open data list file: %s\n",
opts.read_file);
error_exit(opts.verbose, MB_ERROR_OPEN_FAIL, "mb_datalist_open",
message);
}
if ((status =
mb_datalist_read(opts.verbose, datalist, ifile, &(opts.format),
&file_weight, &error)) == MB_SUCCESS)
{
read_data = MB_YES;
}
else
{
read_data = MB_NO;
}
}
/* else copy single filename to be read */
else
{
strcpy(ifile, opts.read_file);
read_data = MB_YES;
}
/* reset total record counter */
zero_counts(opts.verbose, &totrecs, &error);
/* loop over files to be read */
while (read_data == MB_YES)
{
/* reset file record counter */
zero_counts(opts.verbose, &filerecs, &error);
/* process the output files */
if (status == MB_SUCCESS)
{
status = process_output(opts.verbose, &mbdflts, &opts, ifile,
&filerecs, &error);
}
/* output counts */
filerecs.files_read++;
if (opts.verbose >= 1)
{
fprintf(stdout, "\nData records read from: %s\n", ifile);
print_counts(opts.verbose, &filerecs, &error);
}
/* add this file's counts to total */
add_counts(opts.verbose, &totrecs, &filerecs, &error);
/* figure out whether and what to read next */
if (read_datalist == MB_YES)
{
if ((status =
mb_datalist_read(opts.verbose, datalist, ifile, &(opts.format),
&file_weight, &error)) == MB_SUCCESS)
{
read_data = MB_YES;
}
else
{
read_data = MB_NO;
}
}
else
{
read_data = MB_NO;
}
} /* end loop over files in list */
/* output counts */
if (opts.verbose >= 1)
{
fprintf(stdout, "\nTotal data records read:\n");
print_counts(opts.verbose, &totrecs, &error);
}
if (read_datalist == MB_YES)
{
mb_datalist_close(opts.verbose, &datalist, &error);
}
/* check memory */
status = mb_memory_list(opts.verbose, &error);
/* mb_mem_debug_off(opts.verbose, &error); */
return (status);
} /* main */
static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
{
struct f2fs_sb_info *sbi;
struct f2fs_super_block *raw_super;
struct inode *root;
long err;
bool retry = true, need_fsck = false;
char *options = NULL;
int recovery, i, valid_super_block;
struct curseg_info *seg_i;
try_onemore:
err = -EINVAL;
raw_super = NULL;
valid_super_block = -1;
recovery = 0;
/* allocate memory for f2fs-specific super block info */
sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
/* Load the checksum driver */
sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0);
if (IS_ERR(sbi->s_chksum_driver)) {
f2fs_msg(sb, KERN_ERR, "Cannot load crc32 driver.");
err = PTR_ERR(sbi->s_chksum_driver);
sbi->s_chksum_driver = NULL;
goto free_sbi;
}
/* set a block size */
if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {
f2fs_msg(sb, KERN_ERR, "unable to set blocksize");
goto free_sbi;
}
err = read_raw_super_block(sb, &raw_super, &valid_super_block,
&recovery);
if (err)
goto free_sbi;
sb->s_fs_info = sbi;
default_options(sbi);
/* parse mount options */
options = kstrdup((const char *)data, GFP_KERNEL);
if (data && !options) {
err = -ENOMEM;
goto free_sb_buf;
}
err = parse_options(sb, options);
if (err)
goto free_options;
sbi->max_file_blocks = max_file_blocks();
sb->s_maxbytes = sbi->max_file_blocks <<
le32_to_cpu(raw_super->log_blocksize);
sb->s_max_links = F2FS_LINK_MAX;
get_random_bytes(&sbi->s_next_generation, sizeof(u32));
sb->s_op = &f2fs_sops;
sb->s_cop = &f2fs_cryptops;
sb->s_xattr = f2fs_xattr_handlers;
sb->s_export_op = &f2fs_export_ops;
sb->s_magic = F2FS_SUPER_MAGIC;
sb->s_time_gran = 1;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);
memcpy(sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid));
/* init f2fs-specific super block info */
sbi->sb = sb;
sbi->raw_super = raw_super;
sbi->valid_super_block = valid_super_block;
mutex_init(&sbi->gc_mutex);
mutex_init(&sbi->writepages);
mutex_init(&sbi->cp_mutex);
init_rwsem(&sbi->node_write);
/* disallow all the data/node/meta page writes */
set_sbi_flag(sbi, SBI_POR_DOING);
spin_lock_init(&sbi->stat_lock);
init_rwsem(&sbi->read_io.io_rwsem);
sbi->read_io.sbi = sbi;
sbi->read_io.bio = NULL;
for (i = 0; i < NR_PAGE_TYPE; i++) {
init_rwsem(&sbi->write_io[i].io_rwsem);
sbi->write_io[i].sbi = sbi;
sbi->write_io[i].bio = NULL;
}
init_rwsem(&sbi->cp_rwsem);
init_waitqueue_head(&sbi->cp_wait);
init_sb_info(sbi);
/* get an inode for meta space */
sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));
if (IS_ERR(sbi->meta_inode)) {
f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
err = PTR_ERR(sbi->meta_inode);
goto free_options;
}
err = get_valid_checkpoint(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");
goto free_meta_inode;
}
sbi->total_valid_node_count =
le32_to_cpu(sbi->ckpt->valid_node_count);
sbi->total_valid_inode_count =
le32_to_cpu(sbi->ckpt->valid_inode_count);
sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count);
sbi->total_valid_block_count =
le64_to_cpu(sbi->ckpt->valid_block_count);
sbi->last_valid_block_count = sbi->total_valid_block_count;
sbi->alloc_valid_block_count = 0;
for (i = 0; i < NR_INODE_TYPE; i++) {
INIT_LIST_HEAD(&sbi->inode_list[i]);
spin_lock_init(&sbi->inode_lock[i]);
}
init_extent_cache_info(sbi);
init_ino_entry_info(sbi);
/* setup f2fs internal modules */
err = build_segment_manager(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR,
"Failed to initialize F2FS segment manager");
goto free_sm;
}
err = build_node_manager(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR,
"Failed to initialize F2FS node manager");
goto free_nm;
}
/* For write statistics */
if (sb->s_bdev->bd_part)
sbi->sectors_written_start =
(u64)part_stat_read(sb->s_bdev->bd_part, sectors[1]);
/* Read accumulated write IO statistics if exists */
seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
if (__exist_node_summaries(sbi))
sbi->kbytes_written =
le64_to_cpu(seg_i->sum_blk->journal.info.kbytes_written);
build_gc_manager(sbi);
/* get an inode for node space */
sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
if (IS_ERR(sbi->node_inode)) {
f2fs_msg(sb, KERN_ERR, "Failed to read node inode");
err = PTR_ERR(sbi->node_inode);
goto free_nm;
}
f2fs_join_shrinker(sbi);
/* if there are nt orphan nodes free them */
err = recover_orphan_inodes(sbi);
if (err)
goto free_node_inode;
/* read root inode and dentry */
root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
if (IS_ERR(root)) {
f2fs_msg(sb, KERN_ERR, "Failed to read root inode");
err = PTR_ERR(root);
goto free_node_inode;
}
if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
iput(root);
err = -EINVAL;
goto free_node_inode;
}
sb->s_root = d_make_root(root); /* allocate root dentry */
if (!sb->s_root) {
err = -ENOMEM;
goto free_root_inode;
}
err = f2fs_build_stats(sbi);
if (err)
goto free_root_inode;
if (f2fs_proc_root)
sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
if (sbi->s_proc)
proc_create_data("segment_info", S_IRUGO, sbi->s_proc,
&f2fs_seq_segment_info_fops, sb);
sbi->s_kobj.kset = f2fs_kset;
init_completion(&sbi->s_kobj_unregister);
err = kobject_init_and_add(&sbi->s_kobj, &f2fs_ktype, NULL,
"%s", sb->s_id);
if (err)
goto free_proc;
/* recover fsynced data */
if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {
/*
* mount should be failed, when device has readonly mode, and
* previous checkpoint was not done by clean system shutdown.
*/
if (bdev_read_only(sb->s_bdev) &&
!is_set_ckpt_flags(sbi->ckpt, CP_UMOUNT_FLAG)) {
err = -EROFS;
goto free_kobj;
}
if (need_fsck)
set_sbi_flag(sbi, SBI_NEED_FSCK);
err = recover_fsync_data(sbi);
if (err) {
need_fsck = true;
f2fs_msg(sb, KERN_ERR,
"Cannot recover all fsync data errno=%ld", err);
goto free_kobj;
}
}
/* recover_fsync_data() cleared this already */
clear_sbi_flag(sbi, SBI_POR_DOING);
/*
* If filesystem is not mounted as read-only then
* do start the gc_thread.
*/
if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) {
/* After POR, we can run background GC thread.*/
err = start_gc_thread(sbi);
if (err)
goto free_kobj;
}
kfree(options);
/* recover broken superblock */
if (recovery && !f2fs_readonly(sb) && !bdev_read_only(sb->s_bdev)) {
err = f2fs_commit_super(sbi, true);
f2fs_msg(sb, KERN_INFO,
"Try to recover %dth superblock, ret: %ld",
sbi->valid_super_block ? 1 : 2, err);
}
f2fs_update_time(sbi, CP_TIME);
f2fs_update_time(sbi, REQ_TIME);
return 0;
free_kobj:
kobject_del(&sbi->s_kobj);
kobject_put(&sbi->s_kobj);
wait_for_completion(&sbi->s_kobj_unregister);
free_proc:
if (sbi->s_proc) {
remove_proc_entry("segment_info", sbi->s_proc);
remove_proc_entry(sb->s_id, f2fs_proc_root);
}
f2fs_destroy_stats(sbi);
free_root_inode:
dput(sb->s_root);
sb->s_root = NULL;
free_node_inode:
mutex_lock(&sbi->umount_mutex);
f2fs_leave_shrinker(sbi);
iput(sbi->node_inode);
mutex_unlock(&sbi->umount_mutex);
free_nm:
destroy_node_manager(sbi);
free_sm:
destroy_segment_manager(sbi);
kfree(sbi->ckpt);
free_meta_inode:
make_bad_inode(sbi->meta_inode);
iput(sbi->meta_inode);
free_options:
kfree(options);
free_sb_buf:
kfree(raw_super);
free_sbi:
if (sbi->s_chksum_driver)
crypto_free_shash(sbi->s_chksum_driver);
kfree(sbi);
/* give only one another chance */
if (retry) {
retry = false;
shrink_dcache_sb(sb);
goto try_onemore;
}
return err;
}
int
main(int argc, char *argv[])
{
int c;
int argind;
char *infile = "";
eh_opts_t *options = XMALLOC(eh_opts_t, sizeof (eh_opts_t));
default_options(options);
opterr = 0;
/* Process command-line switches. */
while (1) {
static struct option long_opts[] = {
{ "strict", no_argument, 0, 's' },
{ "help", no_argument, 0, 'h' },
{ "license", no_argument, 0, 'l' },
{ 0, 0, 0, 0 }
};
int opt_index = 0;
c = getopt_long(argc, argv, "shl", long_opts, &opt_index);
/* Detect end of options. */
if (c == -1)
break;
switch (c) {
case 's':
options->eo_strict = true;
break;
case 'l':
license();
exit(EXIT_SUCCESS);
break;
case 'h':
usage(EXIT_SUCCESS);
break;
case '?':
fprintf(stderr, "%s: unknown option '%c'.\n", argv[0], optopt);
/* Fall through is intentional. */
default:
usage(EXIT_FAILURE);
}
}
do {
infile = "-";
argind = optind;
/* Get input source as last remaining argument. */
if (optind < argc) {
infile = argv[optind];
}
/* Determine whether input source is stdin or an actual file. */
if ((infile[0] == '-') && (infile[1] == 0)) {
egghead_eval_file(options, "-");
}
else {
/* Proceed only if a valid .bf or .b file was given. */
if ((STREQ(strrchr(infile, '.'), ".bf"))
|| (STREQ(strrchr(infile, '.'), ".b"))) {
egghead_eval_file(options, infile);
}
else {
fprintf(stderr,
"[ERROR] File %s is not a valid brainfuck file.\n",
infile);
exit(EXIT_FAILURE);
}
}
} while (++argind < argc);
XFREE(options);
return 0;
}
