NAME

ioctl_fs - filesystem operations

LIBRARY

Standard C library (libc, -lc)

#include <linux/fs.h> /* Definition of op constants */
#include <sys/ioctl.h>
int ioctl(int fd, unsigned long op, ...);

The following op values are available.

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)

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

Linux.