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cephfs: resize cloned, restored volume if required

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Currently, as a workaround, we are calling
the resize volume on the cloned, restore volumes
to adjust the cloned, restored volumes.
With this fix, we are calling the resize volume
only if there is a size mismatch with requested
and the volume from which the new volume needs
to be created.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2022-01-10 10:26:28 +05:30
committed by mergify[bot]
parent 0bd1d44dc0
commit ef14ea7723
4 changed files with 26 additions and 11 deletions
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17
internal/cephfs/core/volume.go
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@ -191,6 +191,23 @@ func CreateVolume(ctx context.Context, volOptions *VolumeOptions, volID fsutil.V
return nil
}
// ExpandVolume will expand the volume if the requested size is greater than
// the subvolume size.
func (vo *VolumeOptions) ExpandVolume(ctx context.Context, volID fsutil.VolumeID, bytesQuota int64) error {
// get the subvolume size for comparison with the requested size.
info, err := vo.GetSubVolumeInfo(ctx, volID)
if err != nil {
return err
}
// resize if the requested size is greater than the current size.
if vo.Size > info.BytesQuota {
log.DebugLog(ctx, "clone %s size %d is greater than requested size %d", volID, info.BytesQuota, bytesQuota)
err = vo.ResizeVolume(ctx, volID, bytesQuota)
}
return err
}
// ResizeVolume will try to use ceph fs subvolume resize command to resize the
// subvolume. If the command is not available as a fallback it will use
// CreateVolume to resize the subvolume.