Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[deliverable/linux.git] / fs / xfs / xfs_log_recover.c
index be5568839442d1ab50bf5cae293b7b2b133b525e..396565f4324764058b979cf5e4c5bd96744f8ef8 100644 (file)
@@ -190,7 +190,7 @@ xlog_bread_noalign(
        ASSERT(nbblks <= bp->b_length);
 
        XFS_BUF_SET_ADDR(bp, log->l_logBBstart + blk_no);
-       XFS_BUF_READ(bp);
+       bp->b_flags |= XBF_READ;
        bp->b_io_length = nbblks;
        bp->b_error = 0;
 
@@ -275,7 +275,6 @@ xlog_bwrite(
        ASSERT(nbblks <= bp->b_length);
 
        XFS_BUF_SET_ADDR(bp, log->l_logBBstart + blk_no);
-       XFS_BUF_ZEROFLAGS(bp);
        xfs_buf_hold(bp);
        xfs_buf_lock(bp);
        bp->b_io_length = nbblks;
@@ -2538,6 +2537,13 @@ xlog_recover_validate_buf_type(
                }
                bp->b_ops = &xfs_sb_buf_ops;
                break;
+#ifdef CONFIG_XFS_RT
+       case XFS_BLFT_RTBITMAP_BUF:
+       case XFS_BLFT_RTSUMMARY_BUF:
+               /* no magic numbers for verification of RT buffers */
+               bp->b_ops = &xfs_rtbuf_ops;
+               break;
+#endif /* CONFIG_XFS_RT */
        default:
                xfs_warn(mp, "Unknown buffer type %d!",
                         xfs_blft_from_flags(buf_f));
@@ -2858,7 +2864,7 @@ xfs_recover_inode_owner_change(
                return -ENOMEM;
 
        /* instantiate the inode */
-       xfs_dinode_from_disk(&ip->i_d, dip);
+       xfs_inode_from_disk(ip, dip);
        ASSERT(ip->i_d.di_version >= 3);
 
        error = xfs_iformat_fork(ip, dip);
@@ -2904,7 +2910,7 @@ xlog_recover_inode_pass2(
        int                     error;
        int                     attr_index;
        uint                    fields;
-       xfs_icdinode_t          *dicp;
+       struct xfs_log_dinode   *ldip;
        uint                    isize;
        int                     need_free = 0;
 
@@ -2957,8 +2963,8 @@ xlog_recover_inode_pass2(
                error = -EFSCORRUPTED;
                goto out_release;
        }
-       dicp = item->ri_buf[1].i_addr;
-       if (unlikely(dicp->di_magic != XFS_DINODE_MAGIC)) {
+       ldip = item->ri_buf[1].i_addr;
+       if (unlikely(ldip->di_magic != XFS_DINODE_MAGIC)) {
                xfs_alert(mp,
                        "%s: Bad inode log record, rec ptr 0x%p, ino %Ld",
                        __func__, item, in_f->ilf_ino);
@@ -2994,13 +3000,13 @@ xlog_recover_inode_pass2(
         * to skip replay when the on disk inode is newer than the log one
         */
        if (!xfs_sb_version_hascrc(&mp->m_sb) &&
-           dicp->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
+           ldip->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
                /*
                 * Deal with the wrap case, DI_MAX_FLUSH is less
                 * than smaller numbers
                 */
                if (be16_to_cpu(dip->di_flushiter) == DI_MAX_FLUSH &&
-                   dicp->di_flushiter < (DI_MAX_FLUSH >> 1)) {
+                   ldip->di_flushiter < (DI_MAX_FLUSH >> 1)) {
                        /* do nothing */
                } else {
                        trace_xfs_log_recover_inode_skip(log, in_f);
@@ -3010,13 +3016,13 @@ xlog_recover_inode_pass2(
        }
 
        /* Take the opportunity to reset the flush iteration count */
-       dicp->di_flushiter = 0;
+       ldip->di_flushiter = 0;
 
-       if (unlikely(S_ISREG(dicp->di_mode))) {
-               if ((dicp->di_format != XFS_DINODE_FMT_EXTENTS) &&
-                   (dicp->di_format != XFS_DINODE_FMT_BTREE)) {
+       if (unlikely(S_ISREG(ldip->di_mode))) {
+               if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
+                   (ldip->di_format != XFS_DINODE_FMT_BTREE)) {
                        XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(3)",
-                                        XFS_ERRLEVEL_LOW, mp, dicp);
+                                        XFS_ERRLEVEL_LOW, mp, ldip);
                        xfs_alert(mp,
                "%s: Bad regular inode log record, rec ptr 0x%p, "
                "ino ptr = 0x%p, ino bp = 0x%p, ino %Ld",
@@ -3024,12 +3030,12 @@ xlog_recover_inode_pass2(
                        error = -EFSCORRUPTED;
                        goto out_release;
                }
-       } else if (unlikely(S_ISDIR(dicp->di_mode))) {
-               if ((dicp->di_format != XFS_DINODE_FMT_EXTENTS) &&
-                   (dicp->di_format != XFS_DINODE_FMT_BTREE) &&
-                   (dicp->di_format != XFS_DINODE_FMT_LOCAL)) {
+       } else if (unlikely(S_ISDIR(ldip->di_mode))) {
+               if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
+                   (ldip->di_format != XFS_DINODE_FMT_BTREE) &&
+                   (ldip->di_format != XFS_DINODE_FMT_LOCAL)) {
                        XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(4)",
-                                            XFS_ERRLEVEL_LOW, mp, dicp);
+                                            XFS_ERRLEVEL_LOW, mp, ldip);
                        xfs_alert(mp,
                "%s: Bad dir inode log record, rec ptr 0x%p, "
                "ino ptr = 0x%p, ino bp = 0x%p, ino %Ld",
@@ -3038,32 +3044,32 @@ xlog_recover_inode_pass2(
                        goto out_release;
                }
        }
-       if (unlikely(dicp->di_nextents + dicp->di_anextents > dicp->di_nblocks)){
+       if (unlikely(ldip->di_nextents + ldip->di_anextents > ldip->di_nblocks)){
                XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(5)",
-                                    XFS_ERRLEVEL_LOW, mp, dicp);
+                                    XFS_ERRLEVEL_LOW, mp, ldip);
                xfs_alert(mp,
        "%s: Bad inode log record, rec ptr 0x%p, dino ptr 0x%p, "
        "dino bp 0x%p, ino %Ld, total extents = %d, nblocks = %Ld",
                        __func__, item, dip, bp, in_f->ilf_ino,
-                       dicp->di_nextents + dicp->di_anextents,
-                       dicp->di_nblocks);
+                       ldip->di_nextents + ldip->di_anextents,
+                       ldip->di_nblocks);
                error = -EFSCORRUPTED;
                goto out_release;
        }
-       if (unlikely(dicp->di_forkoff > mp->m_sb.sb_inodesize)) {
+       if (unlikely(ldip->di_forkoff > mp->m_sb.sb_inodesize)) {
                XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(6)",
-                                    XFS_ERRLEVEL_LOW, mp, dicp);
+                                    XFS_ERRLEVEL_LOW, mp, ldip);
                xfs_alert(mp,
        "%s: Bad inode log record, rec ptr 0x%p, dino ptr 0x%p, "
        "dino bp 0x%p, ino %Ld, forkoff 0x%x", __func__,
-                       item, dip, bp, in_f->ilf_ino, dicp->di_forkoff);
+                       item, dip, bp, in_f->ilf_ino, ldip->di_forkoff);
                error = -EFSCORRUPTED;
                goto out_release;
        }
-       isize = xfs_icdinode_size(dicp->di_version);
+       isize = xfs_log_dinode_size(ldip->di_version);
        if (unlikely(item->ri_buf[1].i_len > isize)) {
                XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(7)",
-                                    XFS_ERRLEVEL_LOW, mp, dicp);
+                                    XFS_ERRLEVEL_LOW, mp, ldip);
                xfs_alert(mp,
                        "%s: Bad inode log record length %d, rec ptr 0x%p",
                        __func__, item->ri_buf[1].i_len, item);
@@ -3071,8 +3077,8 @@ xlog_recover_inode_pass2(
                goto out_release;
        }
 
-       /* The core is in in-core format */
-       xfs_dinode_to_disk(dip, dicp);
+       /* recover the log dinode inode into the on disk inode */
+       xfs_log_dinode_to_disk(ldip, dip);
 
        /* the rest is in on-disk format */
        if (item->ri_buf[1].i_len > isize) {
@@ -4402,8 +4408,8 @@ xlog_recover_process_one_iunlink(
        if (error)
                goto fail_iput;
 
-       ASSERT(ip->i_d.di_nlink == 0);
-       ASSERT(ip->i_d.di_mode != 0);
+       ASSERT(VFS_I(ip)->i_nlink == 0);
+       ASSERT(VFS_I(ip)->i_mode != 0);
 
        /* setup for the next pass */
        agino = be32_to_cpu(dip->di_next_unlinked);
@@ -4957,6 +4963,7 @@ xlog_do_recover(
        xfs_daddr_t     head_blk,
        xfs_daddr_t     tail_blk)
 {
+       struct xfs_mount *mp = log->l_mp;
        int             error;
        xfs_buf_t       *bp;
        xfs_sb_t        *sbp;
@@ -4971,7 +4978,7 @@ xlog_do_recover(
        /*
         * If IO errors happened during recovery, bail out.
         */
-       if (XFS_FORCED_SHUTDOWN(log->l_mp)) {
+       if (XFS_FORCED_SHUTDOWN(mp)) {
                return -EIO;
        }
 
@@ -4984,22 +4991,21 @@ xlog_do_recover(
         * or iunlinks they will have some entries in the AIL; so we look at
         * the AIL to determine how to set the tail_lsn.
         */
-       xlog_assign_tail_lsn(log->l_mp);
+       xlog_assign_tail_lsn(mp);
 
        /*
         * Now that we've finished replaying all buffer and inode
         * updates, re-read in the superblock and reverify it.
         */
-       bp = xfs_getsb(log->l_mp, 0);
-       XFS_BUF_UNDONE(bp);
-       ASSERT(!(XFS_BUF_ISWRITE(bp)));
-       XFS_BUF_READ(bp);
-       XFS_BUF_UNASYNC(bp);
+       bp = xfs_getsb(mp, 0);
+       bp->b_flags &= ~(XBF_DONE | XBF_ASYNC);
+       ASSERT(!(bp->b_flags & XBF_WRITE));
+       bp->b_flags |= XBF_READ;
        bp->b_ops = &xfs_sb_buf_ops;
 
        error = xfs_buf_submit_wait(bp);
        if (error) {
-               if (!XFS_FORCED_SHUTDOWN(log->l_mp)) {
+               if (!XFS_FORCED_SHUTDOWN(mp)) {
                        xfs_buf_ioerror_alert(bp, __func__);
                        ASSERT(0);
                }
@@ -5008,14 +5014,17 @@ xlog_do_recover(
        }
 
        /* Convert superblock from on-disk format */
-       sbp = &log->l_mp->m_sb;
+       sbp = &mp->m_sb;
        xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(bp));
-       ASSERT(sbp->sb_magicnum == XFS_SB_MAGIC);
-       ASSERT(xfs_sb_good_version(sbp));
-       xfs_reinit_percpu_counters(log->l_mp);
-
        xfs_buf_relse(bp);
 
+       /* re-initialise in-core superblock and geometry structures */
+       xfs_reinit_percpu_counters(mp);
+       error = xfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi);
+       if (error) {
+               xfs_warn(mp, "Failed post-recovery per-ag init: %d", error);
+               return error;
+       }
 
        xlog_recover_check_summary(log);
 
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