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Commit 46c98c6d authored by Trond Myklebust's avatar Trond Myklebust
Browse files

pNFS/flexfiles: Don't attempt to send layoutstats if there are no entries 



If the list of mirrors is empty, then don't send an RPC call.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 1bcf4c5c

fs/nfs/flexfilelayout/flexfilelayout.c

+5 −0
Original line number Diff line number Diff line
@@ -2250,6 +2250,11 @@ ff_layout_prepare_layoutstats(struct nfs42_layoutstat_args *args) 
	args->num_dev = ff_layout_mirror_prepare_stats(args,

			&ff_layout->generic_hdr, dev_count);

	spin_unlock(&args->inode->i_lock);

	if (!args->num_dev) {

		kfree(args->devinfo);

		args->devinfo = NULL;

		return -ENOENT;

	}



	return 0;

}