Module fuse::sys

Structs

• AccessIn
• Attr
• AttrOut
• BatchForgetIn
• BmapIn
• BmapOut
• ChromeOsTmpfileIn
• CopyFileRangeIn
• CreateIn
• Dirent
• Direntplus
• EntryOut
• FallocateIn
• FileLock
• FlushIn
• ForgetIn
• ForgetOne
• FsOptions
  A bitfield passed in as a parameter to and returned from the init method of the FileSystem trait.
• FsyncIn
• GetattrIn
• GetxattrIn
• GetxattrOut
• InHeader
• InitIn
• InitInExt
• InitOut
• InterruptIn
• IoctlFlags
• IoctlIn
• IoctlIovec
  Describes a region of memory in the address space of the process that made the ioctl syscall. Similar to libc::iovec but uses u64s for the address and the length.
• IoctlOut
• Kstatfs
• LinkIn
• LkIn
• LkOut
• LseekIn
• LseekOut
• MkdirIn
• MknodIn
• NotifyDeleteOut
• NotifyInvalEntryOut
• NotifyInvalInodeOut
• NotifyPollWakeupOut
• NotifyRetrieveIn
• NotifyStoreOut
• Notify_Retrieve_Out
• OpenIn
• OpenOptions
  Options controlling the behavior of files opened by the server in response to an open or create request.
• OpenOut
• OutHeader
• PollIn
• PollOut
• ReadIn
• ReleaseIn
• RemoveMappingIn
• RemoveMappingOne
• Rename2In
• RenameIn
• Secctx
  For each security context, send fuse_secctx with size of security context fuse_secctx will be followed by security context name and this in turn will be followed by actual context label. fuse_secctx, name, context
• SecctxHeader
  Contains the information about how many fuse_secctx structures are being sent and what’s the total size of all security contexts (including size of fuse_secctx_header).
• SetUpMappingFlags
• SetUpMappingIn
• SetattrIn
• SetattrValid
• SetxattrIn
• StatfsOut
• WriteIn
• WriteOut

Enums

• NotifyOpcode
• Opcode

Constants

• ABORT_ERROR 🔒
  Reading the device after an abort returns ECONNABORTED.
• ASYNC_DIO 🔒
  Asynchronous direct I/O submission.
• ASYNC_READ 🔒
  Asynchronous read requests.
• ATOMIC_O_TRUNC 🔒
  Handles the O_TRUNC open flag in the filesystem.
• AUTO_INVAL_DATA 🔒
  Automatically invalidate cached pages.
• BIG_WRITES 🔒
  FileSystem can handle write size larger than 4kB.
• CACHE_SYMLINKS 🔒
  Cache readlink responses.
• DONT_MASK 🔒
  Don’t apply umask to file mode on create operations.
• DO_READDIRPLUS 🔒
  Do READDIRPLUS (READDIR+LOOKUP in one).
• EXPLICIT_INVAL_DATA 🔒
  Kernel supports explicit cache invalidation.
• EXPORT_SUPPORT 🔒
  FileSystem handles lookups of “.” and “..”.
• FATTR_ATIME 🔒
• FATTR_ATIME_NOW 🔒
• FATTR_CTIME 🔒
• FATTR_FH
• FATTR_GID 🔒
• FATTR_LOCKOWNER
• FATTR_MODE 🔒
• FATTR_MTIME 🔒
• FATTR_MTIME_NOW 🔒
• FATTR_SIZE 🔒
• FATTR_UID 🔒
• FILE_OPS 🔒
  Kernel sends file handle for fstat, etc… (not yet supported).
• FLOCK_LOCKS 🔒
  Remote locking for BSD style file locks.
• FOPEN_CACHE_DIR 🔒
  Allow caching the directory entries.
• FOPEN_DIRECT_IO 🔒
  Bypass page cache for this open file.
• FOPEN_FILE_CREATED 🔒
  New file was created in atomic open
• FOPEN_KEEP_CACHE 🔒
  Don’t invalidate the data cache on open.
• FOPEN_NONSEEKABLE 🔒
  The file is not seekable.
• FOPEN_STREAM 🔒
  This file is stream-like (i.e., no file position).
• FUSE_COMPAT_22_INIT_OUT_SIZE
• FUSE_COMPAT_ATTR_OUT_SIZE
• FUSE_COMPAT_ENTRY_OUT_SIZE
• FUSE_COMPAT_INIT_OUT_SIZE
• FUSE_COMPAT_MKNOD_IN_SIZE
• FUSE_COMPAT_STATFS_SIZE
• FUSE_COMPAT_WRITE_IN_SIZE
• FUSE_MIN_READ_BUFFER
  The read buffer is required to be at least 8k, but may be much larger.
• GETATTR_FH
• HANDLE_KILLPRIV 🔒
  Fs handles killing suid/sgid/cap on write/chown/trunc.
• HAS_IOCTL_DIR 🔒
  Kernel supports ioctl on directories.
• INIT_EXT 🔒
  Extended fuse_init_in request to hold additional flags
• IOCTL_32BIT 🔒
  32bit ioctl
• IOCTL_COMPAT 🔒
  32bit compat ioctl on 64bit machine
• IOCTL_COMPAT_X32 🔒
  32-bit compat ioctl on 64-bit machine with 64-bit time_t.
• IOCTL_DIR 🔒
  Is a directory
• IOCTL_MAX_IOV
  Maximum of in_iovecs + out_iovecs
• IOCTL_RETRY 🔒
  Retry with new iovecs
• IOCTL_UNRESTRICTED 🔒
  Not restricted to well-formed ioctls, retry allowed
• KERNEL_MINOR_VERSION
  Minor version number of this interface.
• KERNEL_VERSION
  Version number of this interface.
• LK_FLOCK
• MAP_ALIGNMENT 🔒
  The map_alignment field of the InitOut struct is valid.
• MAX_NR_SECCTX
  Maximum security contexts in a request
• MAX_PAGES 🔒
  The reply to the init message contains the max number of request pages.
• NO_OPENDIR_SUPPORT 🔒
  Kernel supports zero-message opens for directories.
• NO_OPEN_SUPPORT 🔒
  Kernel supports zero-message opens.
• OLDEST_SUPPORTED_KERNEL_MINOR_VERSION
  Oldest supported minor version of the fuse interface.
• PARALLEL_DIROPS 🔒
  Allow parallel lookups and readdir.
• POLL_SCHEDULE_NOTIFY
  Request poll notify.
• POSIX_ACL 🔒
  FileSystem supports posix acls.
• POSIX_LOCKS 🔒
  Remote locking for POSIX file locks.
• READDIRPLUS_AUTO 🔒
  Adaptive readdirplus.
• READ_LOCKOWNER
• RELEASE_FLOCK_UNLOCK
• RELEASE_FLUSH
• ROOT_ID
  The ID of the inode corresponding to the root directory of the file system.
• SECURITY_CONTEXT 🔒
  The client should send the security context along with open, mkdir, create, and symlink requests.
• SETUPMAPPING_FLAG_READ 🔒
• SETUPMAPPING_FLAG_WRITE 🔒
• SPLICE_MOVE 🔒
  Kernel supports splice move on the device.
• SPLICE_READ 🔒
  Kernel supports splice read on the device.
• SPLICE_WRITE 🔒
  Kernel supports splice write on the device.
• WRITEBACK_CACHE 🔒
  Use writeback cache for buffered writes.
• WRITE_CACHE
  Delayed write from page cache, file handle is guessed.
• WRITE_KILL_PRIV
  Kill the suid and sgid bits.
• WRITE_LOCKOWNER
  lock_owner field is valid.