/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_LINUX_EXT4_H #define _UAPI_LINUX_EXT4_H #include <linux/fiemap.h> #include <linux/fs.h> #include <linux/ioctl.h> #include <linux/types.h> /* * ext4-specific ioctl commands */ #define EXT4_IOC_GETVERSION … #define EXT4_IOC_SETVERSION … #define EXT4_IOC_GETVERSION_OLD … #define EXT4_IOC_SETVERSION_OLD … #define EXT4_IOC_GETRSVSZ … #define EXT4_IOC_SETRSVSZ … #define EXT4_IOC_GROUP_EXTEND … #define EXT4_IOC_GROUP_ADD … #define EXT4_IOC_MIGRATE … /* note ioctl 10 reserved for an early version of the FIEMAP ioctl */ /* note ioctl 11 reserved for filesystem-independent FIEMAP ioctl */ #define EXT4_IOC_ALLOC_DA_BLKS … #define EXT4_IOC_MOVE_EXT … #define EXT4_IOC_RESIZE_FS … #define EXT4_IOC_SWAP_BOOT … #define EXT4_IOC_PRECACHE_EXTENTS … /* ioctl codes 19--39 are reserved for fscrypt */ #define EXT4_IOC_CLEAR_ES_CACHE … #define EXT4_IOC_GETSTATE … #define EXT4_IOC_GET_ES_CACHE … #define EXT4_IOC_CHECKPOINT … #define EXT4_IOC_GETFSUUID … #define EXT4_IOC_SETFSUUID … #define EXT4_IOC_SHUTDOWN … /* * ioctl commands in 32 bit emulation */ #define EXT4_IOC32_GETVERSION … #define EXT4_IOC32_SETVERSION … #define EXT4_IOC32_GETRSVSZ … #define EXT4_IOC32_SETRSVSZ … #define EXT4_IOC32_GROUP_EXTEND … #define EXT4_IOC32_GROUP_ADD … #define EXT4_IOC32_GETVERSION_OLD … #define EXT4_IOC32_SETVERSION_OLD … /* * Flags returned by EXT4_IOC_GETSTATE * * We only expose to userspace a subset of the state flags in * i_state_flags */ #define EXT4_STATE_FLAG_EXT_PRECACHED … #define EXT4_STATE_FLAG_NEW … #define EXT4_STATE_FLAG_NEWENTRY … #define EXT4_STATE_FLAG_DA_ALLOC_CLOSE … /* * Flags for ioctl EXT4_IOC_CHECKPOINT */ #define EXT4_IOC_CHECKPOINT_FLAG_DISCARD … #define EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT … #define EXT4_IOC_CHECKPOINT_FLAG_DRY_RUN … #define EXT4_IOC_CHECKPOINT_FLAG_VALID … /* * Structure for EXT4_IOC_GETFSUUID/EXT4_IOC_SETFSUUID */ struct fsuuid { … }; /* * Structure for EXT4_IOC_MOVE_EXT */ struct move_extent { … }; /* * Flags used by EXT4_IOC_SHUTDOWN */ #define EXT4_GOING_FLAGS_DEFAULT … #define EXT4_GOING_FLAGS_LOGFLUSH … #define EXT4_GOING_FLAGS_NOLOGFLUSH … /* Used to pass group descriptor data when online resize is done */ struct ext4_new_group_input { … }; /* * Returned by EXT4_IOC_GET_ES_CACHE as an additional possible flag. * It indicates that the entry in extent status cache is for a hole. */ #define EXT4_FIEMAP_EXTENT_HOLE … #endif /* _UAPI_LINUX_EXT4_H */
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