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Commit 249b2eef authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: Add a tracepoint for CB_LAYOUTRECALL 



Only support for single file layoutrecall for now.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 7cd14861

fs/nfs/callback_proc.c

+2 −1
Original line number Diff line number Diff line
@@ -41,7 +41,7 @@ __be32 nfs4_callback_getattr(struct cb_getattrargs *args, 


	inode = nfs_delegation_find_inode(cps->clp, &args->fh);

	if (inode == NULL) {

		trace_nfs4_cb_getattr(cps->clp, &args->fh, inode,

		trace_nfs4_cb_getattr(cps->clp, &args->fh, NULL,

				-ntohl(res->status));

		goto out;

	}
@@ -198,6 +198,7 @@ static u32 initiate_file_draining(struct nfs_client *clp, 
	spin_unlock(&ino->i_lock);

	pnfs_free_lseg_list(&free_me_list);

	pnfs_put_layout_hdr(lo);

	trace_nfs4_cb_layoutrecall_inode(clp, &args->cbl_fh, ino, -rv);

	iput(ino);

out:

	return rv;

fs/nfs/nfs4trace.h

+1 −0
Original line number Diff line number Diff line
@@ -941,6 +941,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_callback_event, 
			), \

			TP_ARGS(clp, fhandle, inode, error))

DEFINE_NFS4_INODE_CALLBACK_EVENT(nfs4_cb_getattr);

DEFINE_NFS4_INODE_CALLBACK_EVENT(nfs4_cb_layoutrecall_inode);





DECLARE_EVENT_CLASS(nfs4_idmap_event,