| Darrick J. Wong | 77d61fe | 2016-10-03 09:11:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2016 Oracle. All Rights Reserved. |
| 3 | * |
| 4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version 2 |
| 9 | * of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it would be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write the Free Software Foundation, |
| 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | */ |
| 20 | #include "xfs.h" |
| 21 | #include "xfs_fs.h" |
| 22 | #include "xfs_shared.h" |
| 23 | #include "xfs_format.h" |
| 24 | #include "xfs_log_format.h" |
| 25 | #include "xfs_trans_resv.h" |
| 26 | #include "xfs_mount.h" |
| 27 | #include "xfs_defer.h" |
| 28 | #include "xfs_trans.h" |
| 29 | #include "xfs_trans_priv.h" |
| 30 | #include "xfs_bmap_item.h" |
| 31 | #include "xfs_alloc.h" |
| 32 | #include "xfs_bmap.h" |
| 33 | #include "xfs_inode.h" |
| 34 | |
| 35 | /* |
| 36 | * This routine is called to allocate a "bmap update done" |
| 37 | * log item. |
| 38 | */ |
| 39 | struct xfs_bud_log_item * |
| 40 | xfs_trans_get_bud( |
| 41 | struct xfs_trans *tp, |
| 42 | struct xfs_bui_log_item *buip) |
| 43 | { |
| 44 | struct xfs_bud_log_item *budp; |
| 45 | |
| 46 | budp = xfs_bud_init(tp->t_mountp, buip); |
| 47 | xfs_trans_add_item(tp, &budp->bud_item); |
| 48 | return budp; |
| 49 | } |
| 50 | |
| 51 | /* |
| 52 | * Finish an bmap update and log it to the BUD. Note that the |
| 53 | * transaction is marked dirty regardless of whether the bmap update |
| 54 | * succeeds or fails to support the BUI/BUD lifecycle rules. |
| 55 | */ |
| 56 | int |
| 57 | xfs_trans_log_finish_bmap_update( |
| 58 | struct xfs_trans *tp, |
| 59 | struct xfs_bud_log_item *budp, |
| 60 | struct xfs_defer_ops *dop, |
| 61 | enum xfs_bmap_intent_type type, |
| 62 | struct xfs_inode *ip, |
| 63 | int whichfork, |
| 64 | xfs_fileoff_t startoff, |
| 65 | xfs_fsblock_t startblock, |
| 66 | xfs_filblks_t blockcount, |
| 67 | xfs_exntst_t state) |
| 68 | { |
| 69 | int error; |
| 70 | |
| 71 | error = -EFSCORRUPTED; |
| 72 | |
| 73 | /* |
| 74 | * Mark the transaction dirty, even on error. This ensures the |
| 75 | * transaction is aborted, which: |
| 76 | * |
| 77 | * 1.) releases the BUI and frees the BUD |
| 78 | * 2.) shuts down the filesystem |
| 79 | */ |
| 80 | tp->t_flags |= XFS_TRANS_DIRTY; |
| 81 | budp->bud_item.li_desc->lid_flags |= XFS_LID_DIRTY; |
| 82 | |
| 83 | return error; |
| 84 | } |