| Darrick J. Wong | dcb660f | 2017-10-17 21:37:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | #ifndef __XFS_SCRUB_COMMON_H__ |
| 21 | #define __XFS_SCRUB_COMMON_H__ |
| 22 | |
| 23 | /* |
| 24 | * We /could/ terminate a scrub/repair operation early. If we're not |
| 25 | * in a good place to continue (fatal signal, etc.) then bail out. |
| 26 | * Note that we're careful not to make any judgements about *error. |
| 27 | */ |
| 28 | static inline bool |
| 29 | xfs_scrub_should_terminate( |
| 30 | struct xfs_scrub_context *sc, |
| 31 | int *error) |
| 32 | { |
| 33 | if (fatal_signal_pending(current)) { |
| 34 | if (*error == 0) |
| 35 | *error = -EAGAIN; |
| 36 | return true; |
| 37 | } |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | /* |
| 42 | * Grab an empty transaction so that we can re-grab locked buffers if |
| 43 | * one of our btrees turns out to be cyclic. |
| 44 | */ |
| 45 | static inline int |
| 46 | xfs_scrub_trans_alloc( |
| 47 | struct xfs_scrub_metadata *sm, |
| 48 | struct xfs_mount *mp, |
| 49 | struct xfs_trans **tpp) |
| 50 | { |
| 51 | return xfs_trans_alloc_empty(mp, tpp); |
| 52 | } |
| 53 | |
| 54 | /* Setup functions */ |
| 55 | int xfs_scrub_setup_fs(struct xfs_scrub_context *sc, struct xfs_inode *ip); |
| 56 | |
| 57 | #endif /* __XFS_SCRUB_COMMON_H__ */ |