xfs: remove dead XFS_LOUD_RECOVERY code

This can't be enabled through the build system and has been dead for
ages.  Note that the CRC patches add back log checksumming, but the
code is quite different from the version removed here anyway.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>

fs/xfs/quota/xfs_qm.c

@@ -1331,9 +1331,6 @@ xfs_qm_qino_alloc(
 	 */
 	spin_lock(&mp->m_sb_lock);
 	if (flags & XFS_QMOPT_SBVERSION) {
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-		unsigned oldv = mp->m_sb.sb_versionnum;
-#endif
 		ASSERT(!xfs_sb_version_hasquota(&mp->m_sb));
 		ASSERT((sbfields & (XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
 				   XFS_SB_GQUOTINO | XFS_SB_QFLAGS)) ==
@@ -1346,11 +1343,6 @@ xfs_qm_qino_alloc(
 
 		/* qflags will get updated _after_ quotacheck */
 		mp->m_sb.sb_qflags = 0;
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-		cmn_err(CE_NOTE,
-			"Old superblock version %x, converting to %x.",
-			oldv, mp->m_sb.sb_versionnum);
-#endif
 	}
 	if (flags & XFS_QMOPT_UQUOTA)
 		mp->m_sb.sb_uquotino = (*ip)->i_ino;

fs/xfs/xfs_log_recover.c

@@ -3394,42 +3394,6 @@ xlog_pack_data(
 	}
 }
 
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-STATIC void
-xlog_unpack_data_checksum(
-	xlog_rec_header_t	*rhead,
-	xfs_caddr_t		dp,
-	xlog_t			*log)
-{
-	__be32			*up = (__be32 *)dp;
-	uint			chksum = 0;
-	int			i;
-
-	/* divide length by 4 to get # words */
-	for (i=0; i < be32_to_cpu(rhead->h_len) >> 2; i++) {
-		chksum ^= be32_to_cpu(*up);
-		up++;
-	}
-	if (chksum != be32_to_cpu(rhead->h_chksum)) {
-	    if (rhead->h_chksum ||
-		((log->l_flags & XLOG_CHKSUM_MISMATCH) == 0)) {
-		    cmn_err(CE_DEBUG,
-			"XFS: LogR chksum mismatch: was (0x%x) is (0x%x)\n",
-			    be32_to_cpu(rhead->h_chksum), chksum);
-		    cmn_err(CE_DEBUG,
-"XFS: Disregard message if filesystem was created with non-DEBUG kernel");
-		    if (xfs_sb_version_haslogv2(&log->l_mp->m_sb)) {
-			    cmn_err(CE_DEBUG,
-				"XFS: LogR this is a LogV2 filesystem\n");
-		    }
-		    log->l_flags |= XLOG_CHKSUM_MISMATCH;
-	    }
-	}
-}
-#else
-#define xlog_unpack_data_checksum(rhead, dp, log)
-#endif
-
 STATIC void
 xlog_unpack_data(
 	xlog_rec_header_t	*rhead,
@@ -3453,8 +3417,6 @@ xlog_unpack_data(
 			dp += BBSIZE;
 		}
 	}
-
-	xlog_unpack_data_checksum(rhead, dp, log);
 }
 
 STATIC int
@@ -4009,10 +3971,6 @@ xlog_recover_check_summary(
 	xfs_agf_t	*agfp;
 	xfs_buf_t	*agfbp;
 	xfs_buf_t	*agibp;
-	xfs_buf_t	*sbbp;
-#ifdef XFS_LOUD_RECOVERY
-	xfs_sb_t	*sbp;
-#endif
 	xfs_agnumber_t	agno;
 	__uint64_t	freeblks;
 	__uint64_t	itotal;
@@ -4047,30 +4005,5 @@ xlog_recover_check_summary(
 			xfs_buf_relse(agibp);
 		}
 	}
-
-	sbbp = xfs_getsb(mp, 0);
-#ifdef XFS_LOUD_RECOVERY
-	sbp = &mp->m_sb;
-	xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(sbbp));
-	cmn_err(CE_NOTE,
-		"xlog_recover_check_summary: sb_icount %Lu itotal %Lu",
-		sbp->sb_icount, itotal);
-	cmn_err(CE_NOTE,
-		"xlog_recover_check_summary: sb_ifree %Lu itotal %Lu",
-		sbp->sb_ifree, ifree);
-	cmn_err(CE_NOTE,
-		"xlog_recover_check_summary: sb_fdblocks %Lu freeblks %Lu",
-		sbp->sb_fdblocks, freeblks);
-#if 0
-	/*
-	 * This is turned off until I account for the allocation
-	 * btree blocks which live in free space.
-	 */
-	ASSERT(sbp->sb_icount == itotal);
-	ASSERT(sbp->sb_ifree == ifree);
-	ASSERT(sbp->sb_fdblocks == freeblks);
-#endif
-#endif
-	xfs_buf_relse(sbbp);
 }
 #endif /* DEBUG */

fs/xfs/xfs_mount.c

@@ -1405,13 +1405,6 @@ xfs_mountfs(
 		xfs_qm_mount_quotas(mp);
 	}
 
-#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
-	if (XFS_IS_QUOTA_ON(mp))
-		xfs_fs_cmn_err(CE_NOTE, mp, "Disk quotas turned on");
-	else
-		xfs_fs_cmn_err(CE_NOTE, mp, "Disk quotas not turned on");
-#endif
-
 	/*
 	 * Now we are mounted, reserve a small amount of unused space for
 	 * privileged transactions. This is needed so that transaction