| 1 |
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| 2 | #ifndef _FALLOC_H_
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| 3 | #define _FALLOC_H_
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| 4 |
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| 5 | #include <uapi/linux/falloc.h>
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| 6 |
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| 7 |
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| 8 | |
| 9 | * Space reservation ioctls and argument structure
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| 10 | * are designed to be compatible with the legacy XFS ioctls.
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| 11 |
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| 12 | struct space_resv {
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| 13 | __s16 l_type;
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| 14 | __s16 l_whence;
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| 15 | __s64 l_start;
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| 16 | __s64 l_len;
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| 17 | __s32 l_sysid;
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| 18 | __u32 l_pid;
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| 19 | __s32 l_pad[4];
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| 20 | };
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| 21 |
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| 22 | #define FS_IOC_RESVSP _IOW('X', 40, struct space_resv)
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| 23 | #define FS_IOC_UNRESVSP _IOW('X', 41, struct space_resv)
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| 24 | #define FS_IOC_RESVSP64 _IOW('X', 42, struct space_resv)
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| 25 | #define FS_IOC_UNRESVSP64 _IOW('X', 43, struct space_resv)
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| 26 | #define FS_IOC_ZERO_RANGE _IOW('X', 57, struct space_resv)
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| 27 |
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| 28 | #define FALLOC_FL_SUPPORTED_MASK (FALLOC_FL_KEEP_SIZE | \
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| 29 | FALLOC_FL_PUNCH_HOLE | \
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| 30 | FALLOC_FL_COLLAPSE_RANGE | \
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| 31 | FALLOC_FL_ZERO_RANGE | \
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| 32 | FALLOC_FL_INSERT_RANGE | \
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| 33 | FALLOC_FL_UNSHARE_RANGE)
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| 34 |
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| 35 |
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| 36 | #if defined(CONFIG_X86_64)
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| 37 | struct space_resv_32 {
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| 38 | __s16 l_type;
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| 39 | __s16 l_whence;
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| 40 | __s64 l_start __attribute__((packed));
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| 41 |
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| 42 | __s64 l_len __attribute__((packed));
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| 43 | __s32 l_sysid;
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| 44 | __u32 l_pid;
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| 45 | __s32 l_pad[4];
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| 46 | };
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| 47 |
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| 48 | #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
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| 49 | #define FS_IOC_UNRESVSP_32 _IOW ('X', 41, struct space_resv_32)
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| 50 | #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
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| 51 | #define FS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct space_resv_32)
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| 52 | #define FS_IOC_ZERO_RANGE_32 _IOW ('X', 57, struct space_resv_32)
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| 53 |
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| 54 | #endif
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| 55 |
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| 56 | #endif
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