vfs.hpp

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// SPDX-License-Identifier: GPL-3.0-or-later
// Virtual File System Public API
 
#pragma once
 
#include <mos/filesystem/fs_types.h>
#include <mos/filesystem/vfs_types.hpp>
#include <mos/lib/sync/mutex.hpp>
#include <mos/types.hpp>

 
extern dentry_t *root_dentry;

PtrResult<FsBaseFile> vfs_do_open_dentry(dentry_t *entry, bool created, bool read, bool write, bool exec, bool truncate);
 
void vfs_register_filesystem(filesystem_t *fs);

PtrResult<void> vfs_mount(const char *device, const char *path, const char *fs, const char *options);

long vfs_unmount(const char *path);

PtrResult<FsBaseFile> vfs_openat(int fd, mos::string_view path, OpenFlags flags);

long vfs_fstatat(fd_t fd, const char *path, file_stat_t *__restrict stat, FStatAtFlags flags);

size_t vfs_readlinkat(fd_t dirfd, const char *path, char *buf, size_t size);

long vfs_symlink(const char *path, const char *target);

PtrResult<void> vfs_mkdir(const char *path);
PtrResult<void> vfs_rmdir(const char *path);

size_t vfs_list_dir(IO *io, void *buf, size_t size);

long vfs_chdirat(fd_t dirfd, const char *path);

ssize_t vfs_getcwd(char *buf, size_t size);

long vfs_fchmodat(fd_t fd, const char *path, int perm, int flags);

long vfs_unlinkat(fd_t dirfd, const char *path);

long vfs_fsync(IO *io, bool sync_metadata, off_t start, off_t end);