Module btfproto::msg

Definitions of messages passed between filesystem clients and servers.

Structs

• AddReadcap
  A request to add a btlib::Readcap to a file.
• Allocate
  A request to pre-allocate a given amount of space from durable storage for a file.
• Attrs
  Attributes of a file.
• AttrsSet
  A type for indicating which fields in Attrs have been set and which should be ignored.
• Close
  A request to close an open file.
• Create
  A request to create a file in a directory under a given name.
• CreateReply
  A reply containing information about a newly created file.
• Entry
  A filesystem entry.
• Flags
  A wrapper type around i32 with convenience methods for checking if libc::O_* flags have been set.
• Flush
  A request to flush all data cached for an open file to durable storage.
• Forget
  A request to forget about an inode which was previously referenced.
• GrantAccess
  A request to give a process access to an inode.
• Link
  A request to create a new hard link to a file.
• LinkReply
  A reply containing the Entry of the newly created hard link.
• Lock
  A request to lock a region of a file.
• LockDesc
  The description of a region in a file to lock.
• Lookup
  A request to lookup a name in a directory.
• LookupReply
  A reply containing the Entry stored under a name in a directory.
• Open
  A request to hope a file.
• OpenReply
  A reply which contains a handle to an open file.
• Read
  A request to read data at a particular offset from an open file.
• ReadDir
  A request to read the contents of a directory.
• ReadDirReply
  A reply containing the contents of a directory.
• ReadMeta
  A request to read a file’s metadata.
• ReadMetaReply
  A reply containing the metadata of a file.
• ReadReply
  A reply containing data read from a file.
• Unlink
  A request to remove a name referring to an inode.
• Unlock
  A request to unlock a region of a file.
• Write
  A request to write data to a particular offset in an open file.
• WriteMeta
  A request to write the metadata of a file.
• WriteMetaReply
  A reply containing the newly written file metadata.
• WriteReply
  A reply containing the number of bytes written to a file.

Enums

• FileType
  The type of a file (regular, directory, etc).
• FlagValue
  The generators for the group of Flags.
• FsMsg
  Top-level message type for the filesystem protocol. All messages passed from clients to servers are of this type.
• FsReply
  The type for every reply sent from servers to clients.
• SpecInodes
  An enumeration of special Inodes.