About Block Size and Fragment Size Post: 302929752

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LEARN ABOUT OPENSOLARIS

statvfs.h

statvfs.h(3HEAD)						      Headers							  statvfs.h(3HEAD)

NAME

       statvfs.h, statvfs - VFS File System information structure

SYNOPSIS

       #include <sys/statvfs.h>

DESCRIPTION

       The <sys/statvfs.h> header defines the statvfs structure, which includes the following members:

	 unsigned long f_bsize	   /* file system block
				      size */
	 unsigned long f_frsize    /* fundamental file system block
				      size */
	 fsblkcnt_t    f_blocks    /* total number of blocks on file
				      system in units of f_frsize */
	 fsblkcnt_t    f_bfree	   /* total number of free blocks */
	 fsblkcnt_t    f_bavail    /* number of free blocks available
				      to non-privileged process */
	 fsfilcnt_t    f_files	   /* total number of file serial
				      numbers */
	 fsfilcnt_t    f_ffree	   /* total number of free file serial
				      numbers */
	 fsfilcnt_t    f_favail    /* number of file serial numbers
				      available to non-privileged
	 unsigned long f_fsid	   /* process file system ID */
	 unsigned long f_flag	   /* bit mask of f_flag values */
	 unsigned long f_namemax   /* maximum filename length */

       The fsblkcnt_t and fsfilcnt_t types are defined as described in <sys/types.h>. See types.h(3HEAD).

       The following flags for the f_flag member are defined:

       ST_RDONLY    read-only file system

       ST_NOSUID    does not support setuid()/setgid() semantics

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       statvfs(2), types.h(3HEAD), attributes(5), standards(5)

SunOS 5.11							    10 Sep 2004 						  statvfs.h(3HEAD)

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