Python os.fstatvfs() Method

Description

The method fstatvfs() returns information about the file system containing the file associated with file descriptor fd. This returns the following sturcture:

f_bsize: file system block size
f_frsize: fragment size
f_blocks: size of fs in f_frsize units
f_bfree: free blocks
f_bavail: free blocks for non-root
f_files: inodes
f_ffree: free inodes
f_favail: free inodes for non-root
f_fsid: file system ID
f_flag: mount flags
f_namemax: maximum filename length

Syntax

Following is the syntax for fstatvfs() method

os.fstatvfs(fd)

Parameters

fd -- This is the file descriptor for which system information is to be returned.

Return Value

This method returns information about the file system containing the file associated.

Example

The following example shows the usage of fstatvfs() method.

#!/usr/bin/python

import os, sys

# Open a file
fd = os.open( "foo.txt", os.O_RDWR|os.O_CREAT )

# Now get  the touple
info = os.fstatvfs(fd)

print "File Info :", info

# Now get maximum filename length
print "Maximum filename length :%d" % info.f_namemax:

# Now get free blocks
print "Free blocks :%d" % info.f_bfree

# Close opened file
os.close( fd)

Let us compile and run the above program, this will produce the following result:

File Info : (4096, 4096, 2621440L, 1113266L, 1113266L, 
             8929602L, 8764252L, 8764252L, 0, 255)
Maximum filename length :255
Free blocks :1113266

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