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VXFS_AP_ASSIGN_CKPT (3)

Library Functions

NAME
SYNOPSIS
AVAILABILITY
DESCRIPTION
RETURN VALUES
ERRORS
SEE ALSO

NAME

vxfs_ap_assign_ckpt - assign an allocation policy to file data and metadata in a Storage Checkpoint

SYNOPSIS

cc -I /opt/VRTS/include -L /opt/VRTS/lib

-l vxfsutil -ldl

#include <sys/types.h>

#include <vxfsutil.h>

int vxfs_ap_assign_ckpt(int fd, char *ckptname, char *datapol, char *metapol);

AVAILABILITY

VRTSvxfs

DESCRIPTION

vxfs_ap_assign_ckpt() assigns the given allocation policies for data and metadata to the Storage Checkpoint specified by ckptname. To clear a policy assignment, specify a NULL pointer for the policy field to be cleared (either datapol or metapol). The file descriptor fd must refer to a file to be operated on in the file system.

RETURN VALUES

vxfs_ap_assign_ckpt() returns zero on success, non-zero on failure.

ERRORS

EFAULT: One or more of the specified pointer arguments points to an illegal address.
EIO: An I/O error occurred during the operation.
ENOENT: One or more of the specified policies does not exist.
ENOSYS: There is no license installed to allow this operation.
ENOTSUP: This operation is not supported by the disk layout version of the specified file system. Use vxupgrade(1m) to enable this operation.
ENXIO: An I/O error occurred during the operation.
EPERM: The effective user ID of the calling process does not have appropriate privileges to perform this operation.
EROFS: The specified file system is mounted read-only.