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xfs: change a few labels in xfs_log_recover.c 

Rename a label used in xlog_find_head() that I thought was poorly
chosen.  Also combine two adjacent labels xlog_find_tail() into a
single label, and give it a more generic name.

(Now using Dave's suggested "validate_head" name for first label.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Alex Elder 2010-04-15 18:17:26 +00:00
parent 8c38366f99
commit 9db127edb5
1 changed files with 9 additions and 11 deletions
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20
fs/xfs/xfs_log_recover.c
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@ -739,7 +739,7 @@ xlog_find_head(
goto bp_err;
if (new_blk != -1) {
head_blk = new_blk;
goto bad_blk;
goto validate_head;
}
/*
@ -757,7 +757,7 @@ xlog_find_head(
head_blk = new_blk;
}
bad_blk:
validate_head:
/*
* Now we need to make sure head_blk is not pointing to a block in
* the middle of a log record.
@ -864,12 +864,12 @@ xlog_find_tail(
if (*head_blk == 0) { /* special case */
error = xlog_bread(log, 0, 1, bp, &offset);
if (error)
goto bread_err;
goto done;
if (xlog_get_cycle(offset) == 0) {
*tail_blk = 0;
/* leave all other log inited values alone */
goto exit;
goto done;
}
}
@ -880,7 +880,7 @@ xlog_find_tail(
for (i = (int)(*head_blk) - 1; i >= 0; i--) {
error = xlog_bread(log, i, 1, bp, &offset);
if (error)
goto bread_err;
goto done;
if (XLOG_HEADER_MAGIC_NUM == be32_to_cpu(*(__be32 *)offset)) {
found = 1;
@ -897,7 +897,7 @@ xlog_find_tail(
for (i = log->l_logBBsize - 1; i >= (int)(*head_blk); i--) {
error = xlog_bread(log, i, 1, bp, &offset);
if (error)
goto bread_err;
goto done;
if (XLOG_HEADER_MAGIC_NUM ==
be32_to_cpu(*(__be32 *)offset)) {
@ -972,7 +972,7 @@ xlog_find_tail(
umount_data_blk = (i + hblks) % log->l_logBBsize;
error = xlog_bread(log, umount_data_blk, 1, bp, &offset);
if (error)
goto bread_err;
goto done;
op_head = (xlog_op_header_t *)offset;
if (op_head->oh_flags & XLOG_UNMOUNT_TRANS) {
@ -1018,12 +1018,10 @@ xlog_find_tail(
* But... if the -device- itself is readonly, just skip this.
* We can't recover this device anyway, so it won't matter.
*/
if (!xfs_readonly_buftarg(log->l_mp->m_logdev_targp)) {
if (!xfs_readonly_buftarg(log->l_mp->m_logdev_targp))
error = xlog_clear_stale_blocks(log, tail_lsn);
}
bread_err:
exit:
done:
xlog_put_bp(bp);
if (error)