FUSE - 详细文档[关闭]

FUSE（Filesystem in Userspace）是一种允许用户在用户空间中实现文件系统的接口。通过FUSE，开发者可以使用各种编程语言编写文件系统的逻辑，而无需修改内核代码。FUSE提供了一组API，使得开发者可以将自定义文件系统挂载到Linux系统中，并与其他应用程序无缝地交互。

python
#!/usr/bin/env python
from fuse import FUSE, FuseOSError, Operations
class MyFileSystem(Operations):
    def __init__(self):
        self.files = {}
    def getattr(self, path, fh=None):
        if path not in self.files:
            raise FuseOSError(ENOENT)
        return self.files[path]
    def readdir(self, path, fh):
        return ['.', '..', 'file1', 'file2']
    def open(self, path, flags):
        if path not in self.files:
            raise FuseOSError(ENOENT)
        return 0
    def read(self, path, size, offset, fh):
        if path not in self.files:
            raise FuseOSError(ENOENT)
        return self.files[path][offset:offset + size]
    def write(self, path, data, offset, fh):
        if path not in self.files:
            raise FuseOSError(ENOENT)
        self.files[path] = self.files[path][:offset] + data
        return len(data)
if __name__ == '__main__':
    fuse = FUSE(MyFileSystem(), '/mnt/myfilesystem', foreground=True)