numam-spdk/scripts/rpc/blobfs.py
Xiaodong Liu 138e6daec3 rpc/blobfs: add cache size setting rpc
This RPC method can be used to set cache size of
blobfs, in case a smaller or larger memory scale
is requred by cache pool.

Change-Id: I8046c7caeaa15c67825f86d14ae0b79395d51daf
Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471870
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-11-07 00:33:25 +00:00

58 lines
1.5 KiB
Python

def blobfs_detect(client, bdev_name):
"""Detect whether a blobfs exists on bdev.
Args:
bdev_name: block device name to detect blobfs
Returns:
True if a blobfs exists on the bdev; False otherwise.
"""
params = {
'bdev_name': bdev_name
}
return client.call('blobfs_detect', params)
def blobfs_create(client, bdev_name, cluster_sz=None):
"""Build blobfs on bdev.
Args:
bdev_name: block device name to build blobfs
cluster_sz: Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.
"""
params = {
'bdev_name': bdev_name
}
if cluster_sz:
params['cluster_sz'] = cluster_sz
return client.call('blobfs_create', params)
def blobfs_mount(client, bdev_name, mountpoint):
"""Mount blobfs on bdev by FUSE.
Args:
bdev_name: block device name where the blobfs is
mountpoint: Mountpoint path in host to mount blobfs
"""
params = {
'bdev_name': bdev_name,
'mountpoint': mountpoint
}
return client.call('blobfs_mount', params)
def blobfs_set_cache_size(client, size_in_mb):
"""Set cache size for the blobstore filesystem.
Args:
size_in_mb: Cache size in megabytes
Returns:
True if cache size is set successfully; False if failed to set.
"""
params = {
'size_in_mb': size_in_mb
}
return client.call('blobfs_set_cache_size', params)