Commit 638037b1 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFS: Add tracepoints for layouterror and layoutstats. 



Allow tracing of the NFSv4.2 layouterror and layoutstats operations.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent a19b4785

fs/nfs/nfs42proc.c

+8 −2
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include "nfs4session.h"

#include "internal.h"

#include "delegation.h"

#include "nfs4trace.h"



#define NFSDBG_FACILITY NFSDBG_PROC

static int nfs42_do_offload_cancel_async(struct file *dst, nfs4_stateid *std);
@@ -714,7 +715,7 @@ nfs42_layoutstat_done(struct rpc_task *task, void *calldata) 


	switch (task->tk_status) {

	case 0:

		break;

		return;

	case -NFS4ERR_BADHANDLE:

	case -ESTALE:

		pnfs_destroy_layout(NFS_I(inode));
@@ -760,6 +761,8 @@ nfs42_layoutstat_done(struct rpc_task *task, void *calldata) 
	case -EOPNOTSUPP:

		NFS_SERVER(inode)->caps &= ~NFS_CAP_LAYOUTSTATS;

	}



	trace_nfs4_layoutstats(inode, &data->args.stateid, task->tk_status);

}



static void
@@ -882,7 +885,7 @@ nfs42_layouterror_done(struct rpc_task *task, void *calldata) 


	switch (task->tk_status) {

	case 0:

		break;

		return;

	case -NFS4ERR_BADHANDLE:

	case -ESTALE:

		pnfs_destroy_layout(NFS_I(inode));
@@ -926,6 +929,9 @@ nfs42_layouterror_done(struct rpc_task *task, void *calldata) 
	case -EOPNOTSUPP:

		NFS_SERVER(inode)->caps &= ~NFS_CAP_LAYOUTERROR;

	}



	trace_nfs4_layouterror(inode, &data->args.errors[0].stateid,

			       task->tk_status);

}



static void

fs/nfs/nfs4trace.h

+2 −0
Original line number Diff line number Diff line
@@ -1994,6 +1994,8 @@ TRACE_EVENT(nfs4_layoutget, 
DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_layoutcommit);

DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_layoutreturn);

DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_layoutreturn_on_close);

DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_layouterror);

DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_layoutstats);



TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_UNKNOWN);

TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_NO_PNFS);