vxfs_ap_query

NAME

vxfs_ap_query - return information about a specific allocation policy

SYNOPSIS

AVAILABILITY

VRTSvxfs

DESCRIPTION

vxfs_ap_query() fills the fsap_info structure with the information for the policy specified by name fsap->ap_name. The file descriptor fd specifies the mount point or any file in the file system.

EXAMPLES

Possible values for ap_flags are:

FSAP_ANYUSER

The policy can be assigned by non-privileged users. By default, only privileged users can assign policies.

Possible values for ap_order are:

FSAP_ORDER_ASGIVEN

Allocations are done from the volume in the order in which they are given in the allocation policy.

FSAP_ORDER_LEASTFULL

Allocations are done from the volume specified in the allocation policy that has the most free blocks.

FSAP_ORDER_ROUNDROBIN

Allocations are done from a volume that is selected in a round-robin fashion from those specified in the allocation policy.

RETURN VALUES

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

ERRORS

EFAULT

One or more of the specified pointer arguments points to an illegal address.

ENOENT

The specified policy does not exist.

SEE ALSO

vxfs_ap_assign_ckpt (3), vxfs_ap_assign_file (3), vxfs_ap_assign_fs (3), vxfs_ap_define (3), vxfs_ap_remove (3), vxfs_ap_enforce_file (3), vxfs_ap_enumerate (3), vxfs_ap_query_ckpt (3), vxfs_ap_query_file (3), vxfs_ap_query_fs (3), vxfs_vol_add (3), vxfs_vol_deencapsulate (3), vxfs_vol_encapsulate (3), vxfs_vol_enumerate (3), vxfs_vol_remove (3), vxfs_vol_resize (3), vxfs_vol_stat (3)