void net_ctx_journal_reset( uint8_t ctx_id )
{
net_ctx_t *ctx = NULL;
if( ctx_id > _max_ctx - 1) return;
ctx = net_ctx_find_by_id( ctx_id );
if( ! ctx) return;
journal_reset( ctx->journal);
}
/**
* int journal_load() - Read journal from disk.
* @journal: Journal to act on.
*
* Given a journal_t structure which tells us which disk blocks contain
* a journal, read the journal from disk to initialise the in-memory
* structures.
*/
int journal_load(journal_t *journal)
{
int err;
journal_superblock_t *sb;
err = load_superblock(journal);
if (err)
return err;
sb = journal->j_superblock;
/* If this is a V2 superblock, then we have to check the
* features flags on it. */
if (journal->j_format_version >= 2) {
if ((sb->s_feature_ro_compat &
~cpu_to_be32(JFS_KNOWN_ROCOMPAT_FEATURES)) ||
(sb->s_feature_incompat &
~cpu_to_be32(JFS_KNOWN_INCOMPAT_FEATURES))) {
printk (KERN_WARNING
"JBD: Unrecognised features on journal\n");
return -EINVAL;
}
}
/* Let the recovery code check whether it needs to recover any
* data from the journal. */
if (journal_recover(journal))
goto recovery_error;
/* OK, we've finished with the dynamic journal bits:
* reinitialise the dynamic contents of the superblock in memory
* and reset them on disk. */
if (journal_reset(journal))
goto recovery_error;
journal->j_flags &= ~JFS_ABORT;
journal->j_flags |= JFS_LOADED;
return 0;
recovery_error:
printk (KERN_WARNING "JBD: recovery failed\n");
return -EIO;
}
