[XFS] Large sector changes - fixup definition of xfs_agfl_t, and numerous

changes to make log recovery respect the log device sector size.

SGI Modid: 2.5.x-xfs:slinx:149230a

fs/xfs/xfs_ag.h

 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -185,9 +185,8 @@ xfs_agblock_t xfs_agfl_block(struct xfs_mount *mp);
 #endif
 #define XFS_AGFL_SIZE(mp)	((mp)->m_sb.sb_sectsize / sizeof(xfs_agblock_t))
 
-/* -- nathans TODO ... use of BBSIZE here - should be sector size -- */
 typedef struct xfs_agfl {
-	xfs_agblock_t	agfl_bno[BBSIZE/sizeof(xfs_agblock_t)];
+	xfs_agblock_t	agfl_bno[1];	/* actually XFS_AGFL_SIZE(mp) */
 } xfs_agfl_t;
 
 /*

fs/xfs/xfs_log.c

 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -1198,7 +1198,6 @@ xlog_alloc_log(xfs_mount_t	*mp,
 	log->l_logsize     = BBTOB(num_bblks);
 	log->l_logBBstart  = blk_offset;
 	log->l_logBBsize   = num_bblks;
-	log->l_roundoff	   = 0;
 	log->l_covered_state = XLOG_STATE_COVER_IDLE;
 	log->l_flags	   |= XLOG_ACTIVE_RECOVERY;
 
@@ -1207,12 +1206,16 @@ xlog_alloc_log(xfs_mount_t	*mp,
 	/* log->l_tail_lsn    = 0x100000000LL; cycle = 1; current block = 0 */
 	log->l_last_sync_lsn = log->l_tail_lsn;
 	log->l_curr_cycle  = 1;	    /* 0 is bad since this is initial value */
-	log->l_curr_block  = 0;		/* filled in by xlog_recover */
-	log->l_grant_reserve_bytes = 0;
 	log->l_grant_reserve_cycle = 1;
-	log->l_grant_write_bytes = 0;
 	log->l_grant_write_cycle = 1;
-	log->l_quotaoffs_flag = 0;      /* XFS_LI_QUOTAOFF logitems */
+
+	if (XFS_SB_VERSION_HASSECTOR(&mp->m_sb)) {
+		log->l_sectbb_log = mp->m_sb.sb_logsectlog - BBSHIFT;
+		ASSERT(log->l_sectbb_log <= mp->m_sectbb_log);
+		ASSERT(XFS_SB_VERSION_HASLOGV2(&mp->m_sb));
+		ASSERT(mp->m_sb.sb_logsectlog >= BBSHIFT);
+	}
+	log->l_sectbb_mask = (1 << log->l_sectbb_log) - 1;
 
 	xlog_get_iclog_buffer_size(mp, log);
 
@@ -3293,15 +3296,17 @@ xlog_verify_disk_cycle_no(xlog_t	 *log,
 {
     xfs_buf_t	*bp;
     uint	cycle_no;
+    xfs_caddr_t ptr;
     xfs_daddr_t	i;
 
     if (BLOCK_LSN(iclog->ic_header.h_lsn, ARCH_CONVERT) < 10) {
 	cycle_no = CYCLE_LSN(iclog->ic_header.h_lsn, ARCH_CONVERT);
-	bp = xlog_get_bp(1, log->l_mp);
+	bp = xlog_get_bp(log, 1);
 	ASSERT(bp);
 	for (i = 0; i < BLOCK_LSN(iclog->ic_header.h_lsn, ARCH_CONVERT); i++) {
 	    xlog_bread(log, i, 1, bp);
-	    if (GET_CYCLE(XFS_BUF_PTR(bp), ARCH_CONVERT) != cycle_no)
+	    ptr = xlog_align(log, i, 1, bp);
+	    if (GET_CYCLE(ptr, ARCH_CONVERT) != cycle_no)
 		xlog_warn("XFS: xlog_verify_disk_cycle_no: bad cycle no");
 	}
 	xlog_put_bp(bp);

fs/xfs/xfs_log_priv.h

 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -535,6 +535,8 @@ typedef struct log {
     struct xfs_buf_cancel **l_buf_cancel_table;
     int			l_iclog_hsize;  /* size of iclog header */
     int			l_iclog_heads;  /* number of iclog header sectors */
+    uint		l_sectbb_log;   /* log2 of sector size in bbs */
+    uint		l_sectbb_mask;  /* sector size in bbs alignment mask */
 } xlog_t;
 
 
@@ -549,11 +551,13 @@ extern int	 xlog_print_find_oldest(xlog_t *log, xfs_daddr_t *last_blk);
 extern int	 xlog_recover(xlog_t *log, int readonly);
 extern int	 xlog_recover_finish(xlog_t *log, int mfsi_flags);
 extern void	 xlog_pack_data(xlog_t *log, xlog_in_core_t *iclog);
-extern struct xfs_buf *xlog_get_bp(int,xfs_mount_t *);
-extern void	 xlog_put_bp(struct xfs_buf *);
-extern int	 xlog_bread(xlog_t *, xfs_daddr_t blkno, int bblks, struct xfs_buf *bp);
 extern void	 xlog_recover_process_iunlinks(xlog_t *log);
 
+extern struct xfs_buf *xlog_get_bp(xlog_t *, int);
+extern void	 xlog_put_bp(struct xfs_buf *);
+extern int	 xlog_bread(xlog_t *, xfs_daddr_t, int, struct xfs_buf *);
+extern xfs_caddr_t xlog_align(xlog_t *, xfs_daddr_t, int, struct xfs_buf *);
+
 #define XLOG_TRACE_GRAB_FLUSH  1
 #define XLOG_TRACE_REL_FLUSH   2
 #define XLOG_TRACE_SLEEP_FLUSH 3