ioctl_fs(2)                   System Calls Manual                  ioctl_fs(2)

NAME
       ioctl_fs - filesystem operations

LIBRARY
       Standard C library (libc, -lc)

SYNOPSIS
       #include <linux/fs.h>  /* Definition of op constants */
       #include <sys/ioctl.h>

       int ioctl(int fd, unsigned long op, ...);

DESCRIPTION
       The following op values are available.

   Share some of the data of one file with another file
       FICLONE(2const)
       FICLONERANGE(2const)

       FIDEDUPERANGE(2const)

   Operations for inode flags
       FS_IOC_GETFLAGS(2const)
       FS_IOC_SETFLAGS(2const)

   Get or set a filesystem label
       FS_IOC_GETFSLABEL(2const)
       FS_IOC_SETFSLABEL(2const)

   Get and/or clear page flags
       PAGEMAP_SCAN(2const)

RETURN VALUE
       On success, a nonnegative value is returned.  On error, -1 is returned,
       and errno is set to indicate the error.

STANDARDS
       Linux.

SEE ALSO
       ioctl(2)

Linux man-pages 6.9.1             2024-06-14                       ioctl_fs(2)