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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _FALLOC_H_
- #define _FALLOC_H_
- #include <uapi/linux/falloc.h>
- /*
- * Space reservation ioctls and argument structure
- * are designed to be compatible with the legacy XFS ioctls.
- */
- struct space_resv {
- __s16 l_type;
- __s16 l_whence;
- __s64 l_start;
- __s64 l_len; /* len == 0 means until end of file */
- __s32 l_sysid;
- __u32 l_pid;
- __s32 l_pad[4]; /* reserved area */
- };
- #define FS_IOC_RESVSP _IOW('X', 40, struct space_resv)
- #define FS_IOC_UNRESVSP _IOW('X', 41, struct space_resv)
- #define FS_IOC_RESVSP64 _IOW('X', 42, struct space_resv)
- #define FS_IOC_UNRESVSP64 _IOW('X', 43, struct space_resv)
- #define FS_IOC_ZERO_RANGE _IOW('X', 57, struct space_resv)
- #define FALLOC_FL_SUPPORTED_MASK (FALLOC_FL_KEEP_SIZE | \
- FALLOC_FL_PUNCH_HOLE | \
- FALLOC_FL_COLLAPSE_RANGE | \
- FALLOC_FL_ZERO_RANGE | \
- FALLOC_FL_INSERT_RANGE | \
- FALLOC_FL_UNSHARE_RANGE)
- /* on ia32 l_start is on a 32-bit boundary */
- #if defined(CONFIG_X86_64)
- struct space_resv_32 {
- __s16 l_type;
- __s16 l_whence;
- __s64 l_start __attribute__((packed));
- /* len == 0 means until end of file */
- __s64 l_len __attribute__((packed));
- __s32 l_sysid;
- __u32 l_pid;
- __s32 l_pad[4]; /* reserve area */
- };
- #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
- #define FS_IOC_UNRESVSP_32 _IOW ('X', 41, struct space_resv_32)
- #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
- #define FS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct space_resv_32)
- #define FS_IOC_ZERO_RANGE_32 _IOW ('X', 57, struct space_resv_32)
- #endif
- #endif /* _FALLOC_H_ */
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