ioctl_fs - filesystem operations

The following op values are available. SharesomeofthedataofonefilewithanotherfileFICLONE(2const) FICLONERANGE(2const) FIDEDUPERANGE(2const) OperationsforinodeflagsFS_IOC_GETFLAGS(2const) FS_IOC_SETFLAGS(2const) GetorsetafilesystemlabelFS_IOC_GETFSLABEL(2const) FS_IOC_SETFSLABEL(2const) Getand/orclearpageflagsPAGEMAP_SCAN(2const)

Standard C library (libc, -lc)

ioctl_fs - filesystem operations

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

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

Linux.

#include<linux/fs.h> /* Definition of op constants */ #include<sys/ioctl.h>intioctl(intfd,unsignedlongop,...);