file_ops_t Struct Reference

#include <vfs_types.hpp>

Public Attributes
bool(*	open )(inode_t *inode, FsBaseFile *file, bool created)
	called when a file is opened, or created
ssize_t(*	read )(const FsBaseFile *file, void *buf, size_t size, off_t offset)
	read from the file
ssize_t(*	write )(const FsBaseFile *file, const void *buf, size_t size, off_t offset)
	write to the file
void(*	release )(FsBaseFile *file)
	called when the last reference to the file is dropped
off_t(*	seek )(FsBaseFile *file, off_t offset, io_seek_whence_t whence)
	seek to a new position in the file
bool(*	mmap )(FsBaseFile *file, vmap_t *vmap, off_t offset)
	map the file into memory
bool(*	munmap )(FsBaseFile *file, vmap_t *vmap, bool *unmapped)
	unmap the file from memory

Detailed Description

Definition at line 92 of file vfs_types.hpp.

Member Data Documentation

open

bool(* open) (inode_t *inode, FsBaseFile *file, bool created)

called when a file is opened, or created

Definition at line 94 of file vfs_types.hpp.

Referenced by vfs_do_open_dentry().

read

ssize_t(* read) (const FsBaseFile *file, void *buf, size_t size, off_t offset)

read from the file

Definition at line 95 of file vfs_types.hpp.

Referenced by FsFile::on_read().

write

ssize_t(* write) (const FsBaseFile *file, const void *buf, size_t size, off_t offset)

write to the file

Definition at line 96 of file vfs_types.hpp.

Referenced by FsFile::on_write().

release

void(* release) (FsBaseFile *file)

called when the last reference to the file is dropped

Definition at line 97 of file vfs_types.hpp.

Referenced by FsDir::on_closed(), and FsFile::on_closed().

seek

off_t(* seek) (FsBaseFile *file, off_t offset, io_seek_whence_t whence)

seek to a new position in the file

Definition at line 98 of file vfs_types.hpp.

Referenced by FsFile::on_seek().

mmap

bool(* mmap) (FsBaseFile *file, vmap_t *vmap, off_t offset)

map the file into memory

Definition at line 99 of file vfs_types.hpp.

Referenced by FsFile::on_mmap().

munmap

bool(* munmap) (FsBaseFile *file, vmap_t *vmap, bool *unmapped)

unmap the file from memory

Definition at line 100 of file vfs_types.hpp.

Referenced by FsFile::on_munmap().

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The documentation for this struct was generated from the following file:

• kernel/include/private/mos/filesystem/vfs_types.hpp