# statvfs - [Overview](#section2044054788165637) - [Summary](#section1184727561165637) - [Data Fields](#pub-attribs) - [Details](#section1267364075165637) - [Field](#section1524441371165637) - [\_\_reserved](#a57b706767c1a69cdb86c33e7196fe647) - [f\_bavail](#a38e0b0109797e233de83ff9e8c4d0520) - [f\_bfree](#ab004873a74b951610b969a222116dccb) - [f\_blocks](#a83b2d1725a43fef463597eda75b7af1b) - [f\_bsize](#a3400d89a2627d6313da0cb39ff6209ec) - [f\_favail](#a6f336f60b6cba33b9380181ef413022f) - [f\_ffree](#a601437cadd9c607cba0c653706af3d22) - [f\_files](#a38f6a9335cabe3bff82c2d96cc538e6f) - [f\_flag](#adb8f52b3e1b3a90358ec3e97e56aafcd) - [f\_frsize](#af01dafa58ce2f665bc8b6ba1741f1896) - [f\_fsid](#a1a180e536ad58f06b0c05d913d0ae9cf) - [f\_namemax](#a138cd6cae031d89d7ae90649fb667696) ## **Overview** **Related Modules:** [FS](FS.md) **Description:** Describes file system information. ## **Summary** ## Data Fields

Variable Name	Description
f_bsize	unsigned long
f_frsize	unsigned long
f_blocks	fsblkcnt_t
f_bfree	fsblkcnt_t
f_bavail	fsblkcnt_t
f_files	fsfilcnt_t
f_ffree	fsfilcnt_t
f_favail	fsfilcnt_t
f_fsid	unsigned long
f_flag	unsigned long
f_namemax	unsigned long
__reserved [6]	int

## **Details** ## **Field ** ## \_\_reserved ``` int statvfs::__reserved[6] ``` **Description:** Reserved ## f\_bavail ``` fsblkcnt_t statvfs::f_bavail ``` **Description:** Free blocks for unprivileged users ## f\_bfree ``` fsblkcnt_t statvfs::f_bfree ``` **Description:** Free blocks ## f\_blocks ``` fsblkcnt_t statvfs::f_blocks ``` **Description:** Size of **fs**, in units of **f\_frsize** ## f\_bsize ``` unsigned long statvfs::f_bsize ``` **Description:** File system block size ## f\_favail ``` fsfilcnt_t statvfs::f_favail ``` **Description:** Free inodes for unprivileged users ## f\_ffree ``` fsfilcnt_t statvfs::f_ffree ``` **Description:** Free inodes ## f\_files ``` fsfilcnt_t statvfs::f_files ``` **Description:** File nodes \(inodes\) ## f\_flag ``` unsigned long statvfs::f_flag ``` **Description:** Mount flags ## f\_frsize ``` unsigned long statvfs::f_frsize ``` **Description:** Fragment size ## f\_fsid ``` unsigned long statvfs::f_fsid ``` **Description:** File system ID ## f\_namemax ``` unsigned long statvfs::f_namemax ``` **Description:** Maximum file name length