diff options
author | Dave Chinner <dchinner@redhat.com> | 2013-08-12 06:49:25 -0400 |
---|---|---|
committer | Ben Myers <bpm@sgi.com> | 2013-08-12 17:07:13 -0400 |
commit | 9fbe24d95ea36205a71195b378a163aa829dfe40 (patch) | |
tree | 052bc331490d82e6874fe7c812608cd123c37c38 /fs/xfs/xfs_extfree_item.h | |
parent | a8da0da25c9fda7cbfd824979e824ac54d8eef07 (diff) |
xfs: split out EFI/EFD log item format definition
The EFI/EFD item format definitions are shared with userspace. Split
the out of header files that contain kernel only defintions to make
it simple to shared them.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_extfree_item.h')
-rw-r--r-- | fs/xfs/xfs_extfree_item.h | 88 |
1 files changed, 2 insertions, 86 deletions
diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h index 432222418c56..0ffbce32d569 100644 --- a/fs/xfs/xfs_extfree_item.h +++ b/fs/xfs/xfs_extfree_item.h | |||
@@ -18,93 +18,11 @@ | |||
18 | #ifndef __XFS_EXTFREE_ITEM_H__ | 18 | #ifndef __XFS_EXTFREE_ITEM_H__ |
19 | #define __XFS_EXTFREE_ITEM_H__ | 19 | #define __XFS_EXTFREE_ITEM_H__ |
20 | 20 | ||
21 | /* kernel only EFI/EFD definitions */ | ||
22 | |||
21 | struct xfs_mount; | 23 | struct xfs_mount; |
22 | struct kmem_zone; | 24 | struct kmem_zone; |
23 | 25 | ||
24 | typedef struct xfs_extent { | ||
25 | xfs_dfsbno_t ext_start; | ||
26 | xfs_extlen_t ext_len; | ||
27 | } xfs_extent_t; | ||
28 | |||
29 | /* | ||
30 | * Since an xfs_extent_t has types (start:64, len: 32) | ||
31 | * there are different alignments on 32 bit and 64 bit kernels. | ||
32 | * So we provide the different variants for use by a | ||
33 | * conversion routine. | ||
34 | */ | ||
35 | |||
36 | typedef struct xfs_extent_32 { | ||
37 | __uint64_t ext_start; | ||
38 | __uint32_t ext_len; | ||
39 | } __attribute__((packed)) xfs_extent_32_t; | ||
40 | |||
41 | typedef struct xfs_extent_64 { | ||
42 | __uint64_t ext_start; | ||
43 | __uint32_t ext_len; | ||
44 | __uint32_t ext_pad; | ||
45 | } xfs_extent_64_t; | ||
46 | |||
47 | /* | ||
48 | * This is the structure used to lay out an efi log item in the | ||
49 | * log. The efi_extents field is a variable size array whose | ||
50 | * size is given by efi_nextents. | ||
51 | */ | ||
52 | typedef struct xfs_efi_log_format { | ||
53 | __uint16_t efi_type; /* efi log item type */ | ||
54 | __uint16_t efi_size; /* size of this item */ | ||
55 | __uint32_t efi_nextents; /* # extents to free */ | ||
56 | __uint64_t efi_id; /* efi identifier */ | ||
57 | xfs_extent_t efi_extents[1]; /* array of extents to free */ | ||
58 | } xfs_efi_log_format_t; | ||
59 | |||
60 | typedef struct xfs_efi_log_format_32 { | ||
61 | __uint16_t efi_type; /* efi log item type */ | ||
62 | __uint16_t efi_size; /* size of this item */ | ||
63 | __uint32_t efi_nextents; /* # extents to free */ | ||
64 | __uint64_t efi_id; /* efi identifier */ | ||
65 | xfs_extent_32_t efi_extents[1]; /* array of extents to free */ | ||
66 | } __attribute__((packed)) xfs_efi_log_format_32_t; | ||
67 | |||
68 | typedef struct xfs_efi_log_format_64 { | ||
69 | __uint16_t efi_type; /* efi log item type */ | ||
70 | __uint16_t efi_size; /* size of this item */ | ||
71 | __uint32_t efi_nextents; /* # extents to free */ | ||
72 | __uint64_t efi_id; /* efi identifier */ | ||
73 | xfs_extent_64_t efi_extents[1]; /* array of extents to free */ | ||
74 | } xfs_efi_log_format_64_t; | ||
75 | |||
76 | /* | ||
77 | * This is the structure used to lay out an efd log item in the | ||
78 | * log. The efd_extents array is a variable size array whose | ||
79 | * size is given by efd_nextents; | ||
80 | */ | ||
81 | typedef struct xfs_efd_log_format { | ||
82 | __uint16_t efd_type; /* efd log item type */ | ||
83 | __uint16_t efd_size; /* size of this item */ | ||
84 | __uint32_t efd_nextents; /* # of extents freed */ | ||
85 | __uint64_t efd_efi_id; /* id of corresponding efi */ | ||
86 | xfs_extent_t efd_extents[1]; /* array of extents freed */ | ||
87 | } xfs_efd_log_format_t; | ||
88 | |||
89 | typedef struct xfs_efd_log_format_32 { | ||
90 | __uint16_t efd_type; /* efd log item type */ | ||
91 | __uint16_t efd_size; /* size of this item */ | ||
92 | __uint32_t efd_nextents; /* # of extents freed */ | ||
93 | __uint64_t efd_efi_id; /* id of corresponding efi */ | ||
94 | xfs_extent_32_t efd_extents[1]; /* array of extents freed */ | ||
95 | } __attribute__((packed)) xfs_efd_log_format_32_t; | ||
96 | |||
97 | typedef struct xfs_efd_log_format_64 { | ||
98 | __uint16_t efd_type; /* efd log item type */ | ||
99 | __uint16_t efd_size; /* size of this item */ | ||
100 | __uint32_t efd_nextents; /* # of extents freed */ | ||
101 | __uint64_t efd_efi_id; /* id of corresponding efi */ | ||
102 | xfs_extent_64_t efd_extents[1]; /* array of extents freed */ | ||
103 | } xfs_efd_log_format_64_t; | ||
104 | |||
105 | |||
106 | #ifdef __KERNEL__ | ||
107 | |||
108 | /* | 26 | /* |
109 | * Max number of extents in fast allocation path. | 27 | * Max number of extents in fast allocation path. |
110 | */ | 28 | */ |
@@ -160,6 +78,4 @@ int xfs_efi_copy_format(xfs_log_iovec_t *buf, | |||
160 | xfs_efi_log_format_t *dst_efi_fmt); | 78 | xfs_efi_log_format_t *dst_efi_fmt); |
161 | void xfs_efi_item_free(xfs_efi_log_item_t *); | 79 | void xfs_efi_item_free(xfs_efi_log_item_t *); |
162 | 80 | ||
163 | #endif /* __KERNEL__ */ | ||
164 | |||
165 | #endif /* __XFS_EXTFREE_ITEM_H__ */ | 81 | #endif /* __XFS_EXTFREE_ITEM_H__ */ |