Expand description
Filesystem operations.
Modules
inotify support for working with inotifies
Structs
DIR*
struct dirent
FALLOC_FL_*
constants for use with fallocate
.gid_t
—A Unix group ID.MFD_*
constants for use with memfd_create
.MS_*
constants for use with mount
.MS_*
constants for use with change_mount
.A directory iterator implemented with getdents.
A raw directory entry, similar to
std::fs::DirEntry
.RENAME_*
constants for use with renameat_with
.RESOLVE_*
constants for use with openat2
.ST_*
constants for use with StatVfs
.STATX_*
constants for use with statx
.uid_t
—A Unix user ID.MNT_*
constants for use with unmount
.Enums
Enumeration of possible methods to seek within an I/O object.
Constants
AT_FDCWD
—A handle representing the current working directory.The filesystem magic number for NFS.
The filesystem magic number for procfs.
UTIME_OMIT
for use with utimensat
.Traits
Re-export types common to POSIX-ish platforms.
Unix-specific extension methods for
fs::DirEntry
.Re-export types common to POSIX-ish platforms.
Unix-specific extensions for
fs::FileType
.Re-export types common to POSIX-ish platforms.
Unix-specific extensions to
fs::Metadata
.Re-export types common to POSIX-ish platforms.
Unix-specific extensions to
fs::OpenOptions
.Functions
access(path, access)
—Tests permissions for a file or directory.faccessat(dirfd, path, access, flags)
—Tests permissions for a file or
directory.mount(source, target, NULL, MS_BIND, NULL)
mount(NULL, target, NULL, mountflags, NULL)
chmod(path, mode)
—Sets file or directory permissions.fchmodat(dirfd, path, mode, flags)
—Sets file or directory permissions.fchownat(dirfd, path, owner, group, flags)
—Sets file or directory
ownership.copy_file_range(fd_in, off_in, fd_out, off_out, len, 0)
—Copies data
from one file to another.ioctl(fd, EXT4_IOC_RESIZE_FS, blocks)
—Resize ext4 filesystem on fd.posix_fadvise(fd, offset, len, advice)
—Declares an expected access
pattern for a file.fallocate(fd, mode, offset, len)
—Adjusts file allocation.fchmod(fd)
—Sets open file or directory permissions.fchown(fd)
—Sets open file or directory ownership.fcntl(fd, F_ADD_SEALS)
fcntl(fd, F_DUPFD_CLOEXEC)
—Creates a new OwnedFd
instance, with value
at least min
, that has O_CLOEXEC
set and that shares the same
underlying [file description] as fd
.fcntl(fd, F_GET_SEALS)
fcntl(fd, F_GETFD)
—Returns a file descriptor’s flags.fcntl(fd, F_GETFL)
—Returns a file descriptor’s access mode and status.fcntl(fd, F_SETLK)
—Acquire or release an fcntl
-style lock.fcntl(fd, F_SETFD, flags)
—Sets a file descriptor’s flags.fcntl(fd, F_SETFL, flags)
—Sets a file descriptor’s status.fdatasync(fd)
—Ensures that file data is written to the underlying
storage device.fgetxattr(fd, name, value.as_ptr(), value.len())
—Get extended
filesystem attributes on an open file descriptor.flistxattr(fd, list.as_ptr(), list.len())
—List extended filesystem
attributes on an open file descriptor.flock(fd, operation)
—Acquire or release an advisory lock on an open file.fremovexattr(fd, name)
—Remove an extended filesystem attribute on an
open file descriptor.fsetxattr(fd, name, value.as_ptr(), value.len(), flags)
—Set extended
filesystem attributes on an open file descriptor.fstat(fd)
—Queries metadata for an open file or directory.fstatfs(fd)
—Queries filesystem statistics for an open file or directory.fstatvfs(fd)
—Queries filesystem statistics for an open file or
directory, POSIX version.fsync(fd)
—Ensures that file data and metadata is written to the
underlying storage device.ftruncate(fd, length)
—Sets the length of a file.futimens(fd, times)
—Sets timestamps for an open file or directory.getxattr(path, name, value.as_ptr(), value.len())
—Get extended
filesystem attributes.ioctl(fd, BLKPBSZGET)
—Returns the physical block size of a block device.ioctl(fd, BLKSSZGET)
—Returns the logical block size of a block device.ioctl(fd, FICLONE, src_fd)
—Share data between open files.fcntl(fd, F_GETFL) & O_ACCMODE
lgetxattr(path, name, value.as_ptr(), value.len())
—Get extended
filesystem attributes, without following symlinks in the last path
component.link(old_path, new_path)
—Creates a hard link.linkat(old_dirfd, old_path, new_dirfd, new_path, flags)
—Creates a hard
link.listxattr(path, list.as_ptr(), list.len())
—List extended filesystem
attributes.llistxattr(path, list.as_ptr(), list.len())
—List extended filesystem
attributes, without following symlinks in the last path component.lremovexattr(path, name)
—Remove an extended filesystem attribute,
without following symlinks in the last path component.setxattr(path, name, value.as_ptr(), value.len(), flags)
—Set extended
filesystem attributes, without following symlinks in the last path
component.lstat(path)
—Queries metadata for a file or directory, without following
symlinks.major(dev)
makedev(maj, min)
memfd_create(path, flags)
minor(dev)
mkdir(path, mode)
—Creates a directory.mkdirat(fd, path, mode)
—Creates a directory.mknodat(dirfd, path, mode, dev)
—Creates special or normal files.mount(source, target, filesystemtype, mountflags, data)
mount(source, target, NULL, MS_MOVE, NULL)
open(path, oflags, mode)
—Opens a file.openat(dirfd, path, oflags, mode)
—Opens a file.openat2(dirfd, path, OpenHow { oflags, mode, resolve }, sizeof(OpenHow))
readlink(path)
—Reads the contents of a symlink.readlinkat(fd, path)
—Reads the contents of a symlink.mount(source, target, NULL, MS_BIND | MS_REC, NULL)
mount(NULL, target, NULL, MS_REMOUNT | mountflags, data)
removexattr(path, name)
—Remove an extended filesystem attribute.rename(old_path, new_path)
—Renames a file or directory.renameat(old_dirfd, old_path, new_dirfd, new_path)
—Renames a file or
directory.renameat2(old_dirfd, old_path, new_dirfd, new_path, flags)
—Renames a
file or directory.rmdir(path)
—Removes a directory.lseek(fd, offset, whence)
—Repositions a file descriptor within a file.sendfile(out_fd, in_fd, offset, count)
setxattr(path, name, value.as_ptr(), value.len(), flags)
—Set extended
filesystem attributes.stat(path)
—Queries metadata for a file or directory.fstatat(dirfd, path, flags)
—Queries metadata for a file or directory.statfs
—Queries filesystem metadata.statvfs
—Queries filesystem metadata, POSIX version.statx(dirfd, path, flags, mask, statxbuf)
symlink(old_path, new_path)
—Creates a symlink.symlinkat(old_path, new_dirfd, new_path)
—Creates a symlink.sync
—Flush cached filesystem data for all filesystems.syncfs(fd)
—Flush cached filesystem data.lseek(fd, 0, SEEK_CUR)
—Returns the current position within a file.unlink(path)
—Unlinks a file.unlinkat(fd, path, flags)
—Unlinks a file or remove a directory.umount2(target, flags)
utimensat(dirfd, path, times, flags)
—Sets file or directory timestamps.