void net_ctx_reset( net_ctx_t *ctx )
{
journal_t *journal;
if( ! ctx ) return;
ctx->used = 0;
ctx->ssrc = 0;
ctx->send_ssrc = 0;
ctx->initiator = 0;
ctx->seq = 0x0000;
FREENULL( (void **)&(ctx->ip_address) );
journal_destroy( &(ctx->journal) );
journal_init( &journal );
ctx->journal = journal;
}
void net_ctx_destroy( void )
{
uint8_t i;
for( i = 0 ; i < _max_ctx ; i++ )
{
if( ctx[ i ] )
{
net_ctx_reset( ctx[i] );
journal_destroy( & (ctx[i]->journal) );
free( ctx[i] );
ctx[i] = NULL;
}
}
free( ctx );
ctx = NULL;
}
INT
Ext2RecoverJournal(
PEXT2_IRP_CONTEXT IrpContext,
PEXT2_VCB Vcb
)
{
INT rc = 0;
ULONG jNo = 0;
PEXT2_MCB jcb = NULL;
struct block_device * bd = &Vcb->bd;
#ifndef __REACTOS__
struct super_block * sb = &Vcb->sb;
#endif
struct inode * ji = NULL;
journal_t * journal = NULL;
struct ext3_super_block *esb;
/* check journal inode number */
if (!Ext2CheckJournal(Vcb, &jNo)) {
return -1;
}
/* allocate journal Mcb */
jcb = Ext2LoadInternalJournal(Vcb, jNo);
if (!jcb) {
rc = -6;
goto errorout;
}
/* allocate journal inode */
ji = &jcb->Inode;
/* initialize journal file from inode */
journal = journal_init_inode(ji);
/* initialzation succeeds ? */
if (!journal) {
iput(ji);
rc = -8;
goto errorout;
}
/* start journal recovery */
rc = journal_load(journal);
if (0 != rc) {
rc = -9;
DbgPrint("Ext2Fsd: recover_journal: failed "
"to recover journal data.\n");
}
/* reload super_block and group_description */
Ext2RefreshSuper(IrpContext, Vcb);
Ext2RefreshGroup(IrpContext, Vcb);
/* wipe journal data and clear recover flag in sb */
if (rc == 0) {
journal_wipe_recovery(journal);
ClearLongFlag(
Vcb->SuperBlock->s_feature_incompat,
EXT3_FEATURE_INCOMPAT_RECOVER );
Ext2SaveSuper(IrpContext, Vcb);
sync_blockdev(bd);
ClearLongFlag(Vcb->Flags, VCB_JOURNAL_RECOVER);
}
errorout:
/* destroy journal structure */
if (journal) {
journal_destroy(journal);
}
/* destory journal Mcb */
if (jcb) {
Ext2FreeMcb(Vcb, jcb);
}
return rc;
}
/*
* If the journal has been kmalloc'd it needs to be freed after this
* call.
*/
void ocfs2_journal_shutdown(struct ocfs2_super *osb)
{
struct ocfs2_journal *journal = NULL;
int status = 0;
struct inode *inode = NULL;
int num_running_trans = 0;
mlog_entry_void();
BUG_ON(!osb);
journal = osb->journal;
if (!journal)
goto done;
inode = journal->j_inode;
if (journal->j_state != OCFS2_JOURNAL_LOADED)
goto done;
/* need to inc inode use count as journal_destroy will iput. */
if (!igrab(inode))
BUG();
num_running_trans = atomic_read(&(osb->journal->j_num_trans));
if (num_running_trans > 0)
mlog(0, "Shutting down journal: must wait on %d "
"running transactions!\n",
num_running_trans);
/* Do a commit_cache here. It will flush our journal, *and*
* release any locks that are still held.
* set the SHUTDOWN flag and release the trans lock.
* the commit thread will take the trans lock for us below. */
journal->j_state = OCFS2_JOURNAL_IN_SHUTDOWN;
/* The OCFS2_JOURNAL_IN_SHUTDOWN will signal to commit_cache to not
* drop the trans_lock (which we want to hold until we
* completely destroy the journal. */
if (osb->commit_task) {
/* Wait for the commit thread */
mlog(0, "Waiting for ocfs2commit to exit....\n");
kthread_stop(osb->commit_task);
osb->commit_task = NULL;
}
BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0);
if (ocfs2_mount_local(osb)) {
journal_lock_updates(journal->j_journal);
status = journal_flush(journal->j_journal);
journal_unlock_updates(journal->j_journal);
if (status < 0)
mlog_errno(status);
}
if (status == 0) {
/*
* Do not toggle if flush was unsuccessful otherwise
* will leave dirty metadata in a "clean" journal
*/
status = ocfs2_journal_toggle_dirty(osb, 0);
if (status < 0)
mlog_errno(status);
}
/* Shutdown the kernel journal system */
journal_destroy(journal->j_journal);
OCFS2_I(inode)->ip_open_count--;
/* unlock our journal */
ocfs2_inode_unlock(inode, 1);
brelse(journal->j_bh);
journal->j_bh = NULL;
journal->j_state = OCFS2_JOURNAL_FREE;
// up_write(&journal->j_trans_barrier);
done:
if (inode)
iput(inode);
mlog_exit_void();
}
