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3ebe7d2d DC |
1 | /* |
2 | * Copyright (c) 2008-2010, Dave Chinner | |
3 | * All Rights Reserved. | |
4 | * | |
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 | |
7 | * published by the Free Software Foundation. | |
8 | * | |
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. | |
13 | * | |
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 | |
17 | */ | |
18 | #ifndef XFS_ICREATE_ITEM_H | |
19 | #define XFS_ICREATE_ITEM_H 1 | |
20 | ||
21 | /* | |
22 | * on disk log item structure | |
23 | * | |
24 | * Log recovery assumes the first two entries are the type and size and they fit | |
25 | * in 32 bits. Also in host order (ugh) so they have to be 32 bit aligned so | |
26 | * decoding can be done correctly. | |
27 | */ | |
28 | struct xfs_icreate_log { | |
29 | __uint16_t icl_type; /* type of log format structure */ | |
30 | __uint16_t icl_size; /* size of log format structure */ | |
31 | __be32 icl_ag; /* ag being allocated in */ | |
32 | __be32 icl_agbno; /* start block of inode range */ | |
33 | __be32 icl_count; /* number of inodes to initialise */ | |
34 | __be32 icl_isize; /* size of inodes */ | |
35 | __be32 icl_length; /* length of extent to initialise */ | |
36 | __be32 icl_gen; /* inode generation number to use */ | |
37 | }; | |
38 | ||
39 | /* in memory log item structure */ | |
40 | struct xfs_icreate_item { | |
41 | struct xfs_log_item ic_item; | |
42 | struct xfs_icreate_log ic_format; | |
43 | }; | |
44 | ||
45 | extern kmem_zone_t *xfs_icreate_zone; /* inode create item zone */ | |
46 | ||
47 | void xfs_icreate_log(struct xfs_trans *tp, xfs_agnumber_t agno, | |
48 | xfs_agblock_t agbno, unsigned int count, | |
49 | unsigned int inode_size, xfs_agblock_t length, | |
50 | unsigned int generation); | |
51 | ||
52 | #endif /* XFS_ICREATE_ITEM_H */ |