plucky (2) ioctl_fs.2.gz

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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)