| /* 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_ */ |