Fstatvfs

[Elgin Carmona]

osfstatvfs() method in Python is used to get information about the file system containing the file associated with the given file descriptor. To get file system information the method performs statvfs() system call on the path associated with the given file descriptor.

A file descriptor is small integer value that corresponds to a file or other input/output resource, such as a pipe or network socket. It is an abstract indicator of a resource and act as handle to perform various lower level I/O operations like read, write, send etc.

For Example: Standard input is usually file descriptor with value 0, standard output is usually file descriptor with value 1 and standard error is usually file descriptor with value 2.

Further files opened by the current process will get the value 3, 4, 5 an so on.

If we pass the file descriptor to the fstatvfs() method as a parameter value, it will return the file system information in the form of an "os.statvfs_result" object as illustrated in the below example.

In the following example, we are passing two atrributes named "f_namemax" and "f_bfree" of "os.statvfs_result" object to fstatvfs() method. This will display the Maximum filename length and Free blocks.

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