diff options
author | David Howells <dhowells@redhat.com> | 2012-10-13 05:46:48 -0400 |
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committer | David Howells <dhowells@redhat.com> | 2012-10-13 05:46:48 -0400 |
commit | 607ca46e97a1b6594b29647d98a32d545c24bdff (patch) | |
tree | 30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/fiemap.h | |
parent | 08cce05c5a91f5017f4edc9866cf026908c73f9f (diff) |
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/fiemap.h')
-rw-r--r-- | include/uapi/linux/fiemap.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/uapi/linux/fiemap.h b/include/uapi/linux/fiemap.h new file mode 100644 index 000000000000..d830747f5c0b --- /dev/null +++ b/include/uapi/linux/fiemap.h | |||
@@ -0,0 +1,68 @@ | |||
1 | /* | ||
2 | * FS_IOC_FIEMAP ioctl infrastructure. | ||
3 | * | ||
4 | * Some portions copyright (C) 2007 Cluster File Systems, Inc | ||
5 | * | ||
6 | * Authors: Mark Fasheh <mfasheh@suse.com> | ||
7 | * Kalpak Shah <kalpak.shah@sun.com> | ||
8 | * Andreas Dilger <adilger@sun.com> | ||
9 | */ | ||
10 | |||
11 | #ifndef _LINUX_FIEMAP_H | ||
12 | #define _LINUX_FIEMAP_H | ||
13 | |||
14 | #include <linux/types.h> | ||
15 | |||
16 | struct fiemap_extent { | ||
17 | __u64 fe_logical; /* logical offset in bytes for the start of | ||
18 | * the extent from the beginning of the file */ | ||
19 | __u64 fe_physical; /* physical offset in bytes for the start | ||
20 | * of the extent from the beginning of the disk */ | ||
21 | __u64 fe_length; /* length in bytes for this extent */ | ||
22 | __u64 fe_reserved64[2]; | ||
23 | __u32 fe_flags; /* FIEMAP_EXTENT_* flags for this extent */ | ||
24 | __u32 fe_reserved[3]; | ||
25 | }; | ||
26 | |||
27 | struct fiemap { | ||
28 | __u64 fm_start; /* logical offset (inclusive) at | ||
29 | * which to start mapping (in) */ | ||
30 | __u64 fm_length; /* logical length of mapping which | ||
31 | * userspace wants (in) */ | ||
32 | __u32 fm_flags; /* FIEMAP_FLAG_* flags for request (in/out) */ | ||
33 | __u32 fm_mapped_extents;/* number of extents that were mapped (out) */ | ||
34 | __u32 fm_extent_count; /* size of fm_extents array (in) */ | ||
35 | __u32 fm_reserved; | ||
36 | struct fiemap_extent fm_extents[0]; /* array of mapped extents (out) */ | ||
37 | }; | ||
38 | |||
39 | #define FIEMAP_MAX_OFFSET (~0ULL) | ||
40 | |||
41 | #define FIEMAP_FLAG_SYNC 0x00000001 /* sync file data before map */ | ||
42 | #define FIEMAP_FLAG_XATTR 0x00000002 /* map extended attribute tree */ | ||
43 | |||
44 | #define FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_XATTR) | ||
45 | |||
46 | #define FIEMAP_EXTENT_LAST 0x00000001 /* Last extent in file. */ | ||
47 | #define FIEMAP_EXTENT_UNKNOWN 0x00000002 /* Data location unknown. */ | ||
48 | #define FIEMAP_EXTENT_DELALLOC 0x00000004 /* Location still pending. | ||
49 | * Sets EXTENT_UNKNOWN. */ | ||
50 | #define FIEMAP_EXTENT_ENCODED 0x00000008 /* Data can not be read | ||
51 | * while fs is unmounted */ | ||
52 | #define FIEMAP_EXTENT_DATA_ENCRYPTED 0x00000080 /* Data is encrypted by fs. | ||
53 | * Sets EXTENT_NO_BYPASS. */ | ||
54 | #define FIEMAP_EXTENT_NOT_ALIGNED 0x00000100 /* Extent offsets may not be | ||
55 | * block aligned. */ | ||
56 | #define FIEMAP_EXTENT_DATA_INLINE 0x00000200 /* Data mixed with metadata. | ||
57 | * Sets EXTENT_NOT_ALIGNED.*/ | ||
58 | #define FIEMAP_EXTENT_DATA_TAIL 0x00000400 /* Multiple files in block. | ||
59 | * Sets EXTENT_NOT_ALIGNED.*/ | ||
60 | #define FIEMAP_EXTENT_UNWRITTEN 0x00000800 /* Space allocated, but | ||
61 | * no data (i.e. zero). */ | ||
62 | #define FIEMAP_EXTENT_MERGED 0x00001000 /* File does not natively | ||
63 | * support extents. Result | ||
64 | * merged for efficiency. */ | ||
65 | #define FIEMAP_EXTENT_SHARED 0x00002000 /* Space shared with other | ||
66 | * files. */ | ||
67 | |||
68 | #endif /* _LINUX_FIEMAP_H */ | ||