llapi_pccdev_set(3)

NAME

llapi_pccdev_set - Add/delete a PCC backend on a client

SYNOPSIS

#include <lustre/lustreapi.h>

int llapi_pccdev_set(const char *path, const char *cmd);

DESCRIPTION

The function llapi_pccdev_set() adds or deletes a PCC backend on the client with the mount point referenced by path. The input argument cmd could be in the following forms:

"add $PCCPATH $PARAM"

Add a PCC backend referenced by the HSM root path $PCCPATH.

"del $PCCPATH"

Delete a PCC backend referenced by the HSM root path $PCCPATH.

"clear"

Clear and remove all PCC backends on a client.

RETURN VALUES

llapi_pccdev_set() return 0 on success or a negative errno value on failure.

ERRORS

-ENOMEM

Insufficient memory to complete operation.

-EFAULT

Memory region is not properly mapped.

-EINVAL

One or more invalid arguments are given.

-EOPNOTSUPP

PCC backend operation is not supported.

AVAILABILITY

llapi_pccdev_set() is part of the lustre(7) user application interface library since release 2.13.0

SEE ALSO

lustreapi(7)