diff options
Diffstat (limited to 'fs/xfs/xfs_log_recover.c')
-rw-r--r-- | fs/xfs/xfs_log_recover.c | 183 |
1 files changed, 92 insertions, 91 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 845a92c9c241..fbc2362d13e3 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -179,7 +179,7 @@ xlog_bread_noalign( xfs_warn(log->l_mp, "Invalid block length (0x%x) for buffer", nbblks); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } blk_no = round_down(blk_no, log->l_sectBBsize); @@ -194,7 +194,7 @@ xlog_bread_noalign( bp->b_error = 0; if (XFS_FORCED_SHUTDOWN(log->l_mp)) - return EIO; + return -EIO; xfs_buf_iorequest(bp); error = xfs_buf_iowait(bp); @@ -268,7 +268,7 @@ xlog_bwrite( xfs_warn(log->l_mp, "Invalid block length (0x%x) for buffer", nbblks); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } blk_no = round_down(blk_no, log->l_sectBBsize); @@ -330,14 +330,14 @@ xlog_header_check_recover( xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_recover(1)", XFS_ERRLEVEL_HIGH, mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } else if (unlikely(!uuid_equal(&mp->m_sb.sb_uuid, &head->h_fs_uuid))) { xfs_warn(mp, "dirty log entry has mismatched uuid - can't recover"); xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_recover(2)", XFS_ERRLEVEL_HIGH, mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } return 0; } @@ -364,7 +364,7 @@ xlog_header_check_mount( xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_mount", XFS_ERRLEVEL_HIGH, mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } return 0; } @@ -462,7 +462,7 @@ xlog_find_verify_cycle( while (!(bp = xlog_get_bp(log, bufblks))) { bufblks >>= 1; if (bufblks < log->l_sectBBsize) - return ENOMEM; + return -ENOMEM; } for (i = start_blk; i < start_blk + nbblks; i += bufblks) { @@ -524,7 +524,7 @@ xlog_find_verify_log_record( if (!(bp = xlog_get_bp(log, num_blks))) { if (!(bp = xlog_get_bp(log, 1))) - return ENOMEM; + return -ENOMEM; smallmem = 1; } else { error = xlog_bread(log, start_blk, num_blks, bp, &offset); @@ -539,7 +539,7 @@ xlog_find_verify_log_record( xfs_warn(log->l_mp, "Log inconsistent (didn't find previous header)"); ASSERT(0); - error = EIO; + error = -EIO; goto out; } @@ -564,7 +564,7 @@ xlog_find_verify_log_record( * will be called again for the end of the physical log. */ if (i == -1) { - error = -1; + error = 1; goto out; } @@ -628,7 +628,12 @@ xlog_find_head( int error, log_bbnum = log->l_logBBsize; /* Is the end of the log device zeroed? */ - if ((error = xlog_find_zeroed(log, &first_blk)) == -1) { + error = xlog_find_zeroed(log, &first_blk); + if (error < 0) { + xfs_warn(log->l_mp, "empty log check failed"); + return error; + } + if (error == 1) { *return_head_blk = first_blk; /* Is the whole lot zeroed? */ @@ -641,15 +646,12 @@ xlog_find_head( } return 0; - } else if (error) { - xfs_warn(log->l_mp, "empty log check failed"); - return error; } first_blk = 0; /* get cycle # of 1st block */ bp = xlog_get_bp(log, 1); if (!bp) - return ENOMEM; + return -ENOMEM; error = xlog_bread(log, 0, 1, bp, &offset); if (error) @@ -818,29 +820,29 @@ validate_head: start_blk = head_blk - num_scan_bblks; /* don't read head_blk */ /* start ptr at last block ptr before head_blk */ - if ((error = xlog_find_verify_log_record(log, start_blk, - &head_blk, 0)) == -1) { - error = EIO; - goto bp_err; - } else if (error) + error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0); + if (error == 1) + error = -EIO; + if (error) goto bp_err; } else { start_blk = 0; ASSERT(head_blk <= INT_MAX); - if ((error = xlog_find_verify_log_record(log, start_blk, - &head_blk, 0)) == -1) { + error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0); + if (error < 0) + goto bp_err; + if (error == 1) { /* We hit the beginning of the log during our search */ start_blk = log_bbnum - (num_scan_bblks - head_blk); new_blk = log_bbnum; ASSERT(start_blk <= INT_MAX && (xfs_daddr_t) log_bbnum-start_blk >= 0); ASSERT(head_blk <= INT_MAX); - if ((error = xlog_find_verify_log_record(log, - start_blk, &new_blk, - (int)head_blk)) == -1) { - error = EIO; - goto bp_err; - } else if (error) + error = xlog_find_verify_log_record(log, start_blk, + &new_blk, (int)head_blk); + if (error == 1) + error = -EIO; + if (error) goto bp_err; if (new_blk != log_bbnum) head_blk = new_blk; @@ -911,7 +913,7 @@ xlog_find_tail( bp = xlog_get_bp(log, 1); if (!bp) - return ENOMEM; + return -ENOMEM; if (*head_blk == 0) { /* special case */ error = xlog_bread(log, 0, 1, bp, &offset); if (error) @@ -961,7 +963,7 @@ xlog_find_tail( xfs_warn(log->l_mp, "%s: couldn't find sync record", __func__); xlog_put_bp(bp); ASSERT(0); - return EIO; + return -EIO; } /* find blk_no of tail of log */ @@ -1092,8 +1094,8 @@ done: * * Return: * 0 => the log is completely written to - * -1 => use *blk_no as the first block of the log - * >0 => error has occurred + * 1 => use *blk_no as the first block of the log + * <0 => error has occurred */ STATIC int xlog_find_zeroed( @@ -1112,7 +1114,7 @@ xlog_find_zeroed( /* check totally zeroed log */ bp = xlog_get_bp(log, 1); if (!bp) - return ENOMEM; + return -ENOMEM; error = xlog_bread(log, 0, 1, bp, &offset); if (error) goto bp_err; @@ -1121,7 +1123,7 @@ xlog_find_zeroed( if (first_cycle == 0) { /* completely zeroed log */ *blk_no = 0; xlog_put_bp(bp); - return -1; + return 1; } /* check partially zeroed log */ @@ -1141,7 +1143,7 @@ xlog_find_zeroed( */ xfs_warn(log->l_mp, "Log inconsistent or not a log (last==0, first!=1)"); - error = EINVAL; + error = -EINVAL; goto bp_err; } @@ -1179,19 +1181,18 @@ xlog_find_zeroed( * Potentially backup over partial log record write. We don't need * to search the end of the log because we know it is zero. */ - if ((error = xlog_find_verify_log_record(log, start_blk, - &last_blk, 0)) == -1) { - error = EIO; - goto bp_err; - } else if (error) - goto bp_err; + error = xlog_find_verify_log_record(log, start_blk, &last_blk, 0); + if (error == 1) + error = -EIO; + if (error) + goto bp_err; *blk_no = last_blk; bp_err: xlog_put_bp(bp); if (error) return error; - return -1; + return 1; } /* @@ -1251,7 +1252,7 @@ xlog_write_log_records( while (!(bp = xlog_get_bp(log, bufblks))) { bufblks >>= 1; if (bufblks < sectbb) - return ENOMEM; + return -ENOMEM; } /* We may need to do a read at the start to fill in part of @@ -1354,7 +1355,7 @@ xlog_clear_stale_blocks( if (unlikely(head_block < tail_block || head_block >= log->l_logBBsize)) { XFS_ERROR_REPORT("xlog_clear_stale_blocks(1)", XFS_ERRLEVEL_LOW, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } tail_distance = tail_block + (log->l_logBBsize - head_block); } else { @@ -1366,7 +1367,7 @@ xlog_clear_stale_blocks( if (unlikely(head_block >= tail_block || head_cycle != (tail_cycle + 1))){ XFS_ERROR_REPORT("xlog_clear_stale_blocks(2)", XFS_ERRLEVEL_LOW, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } tail_distance = tail_block - head_block; } @@ -1551,7 +1552,7 @@ xlog_recover_add_to_trans( xfs_warn(log->l_mp, "%s: bad header magic number", __func__); ASSERT(0); - return EIO; + return -EIO; } if (len == sizeof(xfs_trans_header_t)) xlog_recover_add_item(&trans->r_itemq); @@ -1581,7 +1582,7 @@ xlog_recover_add_to_trans( in_f->ilf_size); ASSERT(0); kmem_free(ptr); - return EIO; + return -EIO; } item->ri_total = in_f->ilf_size; @@ -1702,7 +1703,7 @@ xlog_recover_reorder_trans( */ if (!list_empty(&sort_list)) list_splice_init(&sort_list, &trans->r_itemq); - error = EIO; + error = -EIO; goto out; } } @@ -1943,7 +1944,7 @@ xlog_recover_do_inode_buffer( item, bp); XFS_ERROR_REPORT("xlog_recover_do_inode_buf", XFS_ERRLEVEL_LOW, mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } buffer_nextp = (xfs_agino_t *)xfs_buf_offset(bp, @@ -2496,7 +2497,7 @@ xlog_recover_buffer_pass2( bp = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len, buf_flags, NULL); if (!bp) - return ENOMEM; + return -ENOMEM; error = bp->b_error; if (error) { xfs_buf_ioerror_alert(bp, "xlog_recover_do..(read#1)"); @@ -2598,7 +2599,7 @@ xfs_recover_inode_owner_change( ip = xfs_inode_alloc(mp, in_f->ilf_ino); if (!ip) - return ENOMEM; + return -ENOMEM; /* instantiate the inode */ xfs_dinode_from_disk(&ip->i_d, dip); @@ -2676,7 +2677,7 @@ xlog_recover_inode_pass2( bp = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len, 0, &xfs_inode_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error; } error = bp->b_error; @@ -2697,7 +2698,7 @@ xlog_recover_inode_pass2( __func__, dip, bp, in_f->ilf_ino); XFS_ERROR_REPORT("xlog_recover_inode_pass2(1)", XFS_ERRLEVEL_LOW, mp); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } dicp = item->ri_buf[1].i_addr; @@ -2707,7 +2708,7 @@ xlog_recover_inode_pass2( __func__, item, in_f->ilf_ino); XFS_ERROR_REPORT("xlog_recover_inode_pass2(2)", XFS_ERRLEVEL_LOW, mp); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } @@ -2764,7 +2765,7 @@ xlog_recover_inode_pass2( "%s: Bad regular inode log record, rec ptr 0x%p, " "ino ptr = 0x%p, ino bp = 0x%p, ino %Ld", __func__, item, dip, bp, in_f->ilf_ino); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } } else if (unlikely(S_ISDIR(dicp->di_mode))) { @@ -2777,7 +2778,7 @@ xlog_recover_inode_pass2( "%s: Bad dir inode log record, rec ptr 0x%p, " "ino ptr = 0x%p, ino bp = 0x%p, ino %Ld", __func__, item, dip, bp, in_f->ilf_ino); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } } @@ -2790,7 +2791,7 @@ xlog_recover_inode_pass2( __func__, item, dip, bp, in_f->ilf_ino, dicp->di_nextents + dicp->di_anextents, dicp->di_nblocks); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } if (unlikely(dicp->di_forkoff > mp->m_sb.sb_inodesize)) { @@ -2800,7 +2801,7 @@ xlog_recover_inode_pass2( "%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); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } isize = xfs_icdinode_size(dicp->di_version); @@ -2810,7 +2811,7 @@ xlog_recover_inode_pass2( xfs_alert(mp, "%s: Bad inode log record length %d, rec ptr 0x%p", __func__, item->ri_buf[1].i_len, item); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } @@ -2898,7 +2899,7 @@ xlog_recover_inode_pass2( default: xfs_warn(log->l_mp, "%s: Invalid flag", __func__); ASSERT(0); - error = EIO; + error = -EIO; goto out_release; } } @@ -2976,12 +2977,12 @@ xlog_recover_dquot_pass2( recddq = item->ri_buf[1].i_addr; if (recddq == NULL) { xfs_alert(log->l_mp, "NULL dquot in %s.", __func__); - return EIO; + return -EIO; } if (item->ri_buf[1].i_len < sizeof(xfs_disk_dquot_t)) { xfs_alert(log->l_mp, "dquot too small (%d) in %s.", item->ri_buf[1].i_len, __func__); - return EIO; + return -EIO; } /* @@ -3007,7 +3008,7 @@ xlog_recover_dquot_pass2( error = xfs_dqcheck(mp, recddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN, "xlog_recover_dquot_pass2 (log copy)"); if (error) - return EIO; + return -EIO; ASSERT(dq_f->qlf_len == 1); error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dq_f->qlf_blkno, @@ -3028,7 +3029,7 @@ xlog_recover_dquot_pass2( "xlog_recover_dquot_pass2"); if (error) { xfs_buf_relse(bp); - return EIO; + return -EIO; } /* @@ -3178,38 +3179,38 @@ xlog_recover_do_icreate_pass2( icl = (struct xfs_icreate_log *)item->ri_buf[0].i_addr; if (icl->icl_type != XFS_LI_ICREATE) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad type"); - return EINVAL; + return -EINVAL; } if (icl->icl_size != 1) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad icl size"); - return EINVAL; + return -EINVAL; } agno = be32_to_cpu(icl->icl_ag); if (agno >= mp->m_sb.sb_agcount) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agno"); - return EINVAL; + return -EINVAL; } agbno = be32_to_cpu(icl->icl_agbno); if (!agbno || agbno == NULLAGBLOCK || agbno >= mp->m_sb.sb_agblocks) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agbno"); - return EINVAL; + return -EINVAL; } isize = be32_to_cpu(icl->icl_isize); if (isize != mp->m_sb.sb_inodesize) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad isize"); - return EINVAL; + return -EINVAL; } count = be32_to_cpu(icl->icl_count); if (!count) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad count"); - return EINVAL; + return -EINVAL; } length = be32_to_cpu(icl->icl_length); if (!length || length >= mp->m_sb.sb_agblocks) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad length"); - return EINVAL; + return -EINVAL; } /* existing allocation is fixed value */ @@ -3218,7 +3219,7 @@ xlog_recover_do_icreate_pass2( if (count != mp->m_ialloc_inos || length != mp->m_ialloc_blks) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad count 2"); - return EINVAL; + return -EINVAL; } /* @@ -3389,7 +3390,7 @@ xlog_recover_commit_pass1( xfs_warn(log->l_mp, "%s: invalid item type (%d)", __func__, ITEM_TYPE(item)); ASSERT(0); - return EIO; + return -EIO; } } @@ -3425,7 +3426,7 @@ xlog_recover_commit_pass2( xfs_warn(log->l_mp, "%s: invalid item type (%d)", __func__, ITEM_TYPE(item)); ASSERT(0); - return EIO; + return -EIO; } } @@ -3560,7 +3561,7 @@ xlog_recover_process_data( /* check the log format matches our own - else we can't recover */ if (xlog_header_check_recover(log->l_mp, rhead)) - return EIO; + return -EIO; while ((dp < lp) && num_logops) { ASSERT(dp + sizeof(xlog_op_header_t) <= lp); @@ -3571,7 +3572,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad clientid 0x%x", __func__, ohead->oh_clientid); ASSERT(0); - return EIO; + return -EIO; } tid = be32_to_cpu(ohead->oh_tid); hash = XLOG_RHASH(tid); @@ -3585,7 +3586,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad length 0x%x", __func__, be32_to_cpu(ohead->oh_len)); WARN_ON(1); - return EIO; + return -EIO; } flags = ohead->oh_flags & ~XLOG_END_TRANS; if (flags & XLOG_WAS_CONT_TRANS) @@ -3607,7 +3608,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad transaction", __func__); ASSERT(0); - error = EIO; + error = -EIO; break; case 0: case XLOG_CONTINUE_TRANS: @@ -3618,7 +3619,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad flag 0x%x", __func__, flags); ASSERT(0); - error = EIO; + error = -EIO; break; } if (error) { @@ -3669,7 +3670,7 @@ xlog_recover_process_efi( */ set_bit(XFS_EFI_RECOVERED, &efip->efi_flags); xfs_efi_release(efip, efip->efi_format.efi_nextents); - return EIO; + return -EIO; } } @@ -3969,7 +3970,7 @@ xlog_unpack_data_crc( * CRC protection by punting an error back up the stack. */ if (xfs_sb_version_hascrc(&log->l_mp->m_sb)) - return EFSCORRUPTED; + return -EFSCORRUPTED; } return 0; @@ -4018,14 +4019,14 @@ xlog_valid_rec_header( if (unlikely(rhead->h_magicno != cpu_to_be32(XLOG_HEADER_MAGIC_NUM))) { XFS_ERROR_REPORT("xlog_valid_rec_header(1)", XFS_ERRLEVEL_LOW, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } if (unlikely( (!rhead->h_version || (be32_to_cpu(rhead->h_version) & (~XLOG_VERSION_OKBITS))))) { xfs_warn(log->l_mp, "%s: unrecognised log version (%d).", __func__, be32_to_cpu(rhead->h_version)); - return EIO; + return -EIO; } /* LR body must have data or it wouldn't have been written */ @@ -4033,12 +4034,12 @@ xlog_valid_rec_header( if (unlikely( hlen <= 0 || hlen > INT_MAX )) { XFS_ERROR_REPORT("xlog_valid_rec_header(2)", XFS_ERRLEVEL_LOW, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } if (unlikely( blkno > log->l_logBBsize || blkno > INT_MAX )) { XFS_ERROR_REPORT("xlog_valid_rec_header(3)", XFS_ERRLEVEL_LOW, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } return 0; } @@ -4081,7 +4082,7 @@ xlog_do_recovery_pass( */ hbp = xlog_get_bp(log, 1); if (!hbp) - return ENOMEM; + return -ENOMEM; error = xlog_bread(log, tail_blk, 1, hbp, &offset); if (error) @@ -4110,11 +4111,11 @@ xlog_do_recovery_pass( } if (!hbp) - return ENOMEM; + return -ENOMEM; dbp = xlog_get_bp(log, BTOBB(h_size)); if (!dbp) { xlog_put_bp(hbp); - return ENOMEM; + return -ENOMEM; } memset(rhash, 0, sizeof(rhash)); @@ -4388,7 +4389,7 @@ xlog_do_recover( * If IO errors happened during recovery, bail out. */ if (XFS_FORCED_SHUTDOWN(log->l_mp)) { - return EIO; + return -EIO; } /* @@ -4415,7 +4416,7 @@ xlog_do_recover( if (XFS_FORCED_SHUTDOWN(log->l_mp)) { xfs_buf_relse(bp); - return EIO; + return -EIO; } xfs_buf_iorequest(bp); @@ -4492,7 +4493,7 @@ xlog_recover( "Please recover the log on a kernel that supports the unknown features.", (log->l_mp->m_sb.sb_features_log_incompat & XFS_SB_FEAT_INCOMPAT_LOG_UNKNOWN)); - return EINVAL; + return -EINVAL; } xfs_notice(log->l_mp, "Starting recovery (logdev: %s)", |