/*
* Conversion of logical to physical block numbers for the journal
*
* On external journals the journal blocks are identity-mapped, so
* this is a no-op. If needed, we can use j_blk_offset - everything is
* ready.
*/
int journal_bmap(journal_t *journal, unsigned int blocknr,
unsigned int *retp)
{
int err = 0;
unsigned int ret;
if (journal->j_inode) {
ret = bmap(journal->j_inode, blocknr);
if (ret)
*retp = ret;
else {
char b[BDEVNAME_SIZE];
printk(KERN_ALERT "%s: journal block not found "
"at offset %u on %s\n",
__func__,
blocknr,
bdevname(journal->j_dev, b));
err = -EIO;
__journal_abort_soft(journal, err);
}
} else {
*retp = blocknr; /* +journal->j_blk_offset */
}
return err;
}
/*
* Conversion of logical to physical block numbers for the journal
*
* On external journals the journal blocks are identity-mapped, so
* this is a no-op. If needed, we can use j_blk_offset - everything is
* ready.
*/
int journal_bmap(journal_t *journal, unsigned long blocknr,
unsigned long *retp)
{
int err = 0;
unsigned long ret;
if (journal->j_inode) {
ret = (unsigned long)bmap(journal->j_inode, (sector_t)blocknr);
if (ret)
*retp = ret;
else {
printk(KERN_ALERT "%s: journal block not found "
"at offset %lu ...\n",
__FUNCTION__,
blocknr);
err = -EIO;
__journal_abort_soft(journal, err);
}
} else {
*retp = blocknr; /* +journal->j_blk_offset */
}
return err;
}
void journal_abort(journal_t *journal, int err)
{
__journal_abort_soft(journal, err);
}
