Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 1 | /* |
Nathan Scott | ad72387 | 2006-06-09 15:29:12 +1000 | [diff] [blame] | 2 | * Copyright (c) 2005-2006 Silicon Graphics, Inc. |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 3 | * All Rights Reserved. |
Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 4 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 13 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 17 | */ |
| 18 | #ifndef __XFS_AOPS_H__ |
| 19 | #define __XFS_AOPS_H__ |
| 20 | |
| 21 | extern struct workqueue_struct *xfsdatad_workqueue; |
| 22 | extern mempool_t *xfs_ioend_pool; |
| 23 | |
| 24 | typedef void (*xfs_ioend_func_t)(void *); |
| 25 | |
Christoph Hellwig | f6d6d4f | 2006-01-11 15:40:13 +1100 | [diff] [blame] | 26 | /* |
| 27 | * xfs_ioend struct manages large extent writes for XFS. |
| 28 | * It can manage several multi-page bio's at once. |
| 29 | */ |
Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 30 | typedef struct xfs_ioend { |
Christoph Hellwig | f6d6d4f | 2006-01-11 15:40:13 +1100 | [diff] [blame] | 31 | struct xfs_ioend *io_list; /* next ioend in chain */ |
| 32 | unsigned int io_type; /* delalloc / unwritten */ |
Nathan Scott | 7d04a33 | 2006-06-09 14:58:38 +1000 | [diff] [blame] | 33 | int io_error; /* I/O error code */ |
Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 34 | atomic_t io_remaining; /* hold count */ |
Christoph Hellwig | b677c21 | 2007-08-29 11:46:28 +1000 | [diff] [blame] | 35 | struct inode *io_inode; /* file being written to */ |
Christoph Hellwig | c1a073b | 2005-09-05 08:23:35 +1000 | [diff] [blame] | 36 | struct buffer_head *io_buffer_head;/* buffer linked list head */ |
Christoph Hellwig | f6d6d4f | 2006-01-11 15:40:13 +1100 | [diff] [blame] | 37 | struct buffer_head *io_buffer_tail;/* buffer linked list tail */ |
Christoph Hellwig | 65b3da3 | 2005-09-05 08:18:12 +1000 | [diff] [blame] | 38 | size_t io_size; /* size of the extent */ |
| 39 | xfs_off_t io_offset; /* offset in the file */ |
| 40 | struct work_struct io_work; /* xfsdatad work queue */ |
| 41 | } xfs_ioend_t; |
| 42 | |
Christoph Hellwig | f5e54d6 | 2006-06-28 04:26:44 -0700 | [diff] [blame] | 43 | extern const struct address_space_operations xfs_address_space_operations; |
Nathan Scott | c253666 | 2006-03-29 10:44:40 +1000 | [diff] [blame] | 44 | extern int xfs_get_blocks(struct inode *, sector_t, struct buffer_head *, int); |
Christoph Hellwig | f6d6d4f | 2006-01-11 15:40:13 +1100 | [diff] [blame] | 45 | |
Nathan Scott | ad72387 | 2006-06-09 15:29:12 +1000 | [diff] [blame] | 46 | #endif /* __XFS_AOPS_H__ */ |