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pNFS/flexfiles: Add tracing for layout errors

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Trace layout errors for pNFS/flexfiles on read/write/commit operations.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust
2020-01-06 15:25:11 -05:00
committed by Anna Schumaker
parent 7bdd297ea6
commit 088f3e68d8
3 changed files with 132 additions and 9 deletions
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28
fs/nfs/flexfilelayout/flexfilelayout.c
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@@ -1266,9 +1266,10 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
int idx, u64 offset, u64 length,
u32 status, int opnum, int error)
u32 *op_status, int opnum, int error)
{
struct nfs4_ff_layout_mirror *mirror;
u32 status = *op_status;
int err;
if (status == 0) {
@@ -1286,10 +1287,10 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
case -ENOBUFS:
case -EPIPE:
case -EPERM:
status = NFS4ERR_NXIO;
*op_status = status = NFS4ERR_NXIO;
break;
case -EACCES:
status = NFS4ERR_ACCESS;
*op_status = status = NFS4ERR_ACCESS;
break;
default:
return;
@@ -1321,11 +1322,14 @@ static int ff_layout_read_done_cb(struct rpc_task *task,
int new_idx = hdr->pgio_mirror_idx;
int err;
if (task->tk_status < 0)
if (task->tk_status < 0) {
ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx,
hdr->args.offset, hdr->args.count,
hdr->res.op_status, OP_READ,
&hdr->res.op_status, OP_READ,
task->tk_status);
trace_ff_layout_read_error(hdr);
}
err = ff_layout_async_handle_error(task, hdr->args.context->state,
hdr->ds_clp, hdr->lseg,
hdr->pgio_mirror_idx);
@@ -1494,11 +1498,14 @@ static int ff_layout_write_done_cb(struct rpc_task *task,
loff_t end_offs = 0;
int err;
if (task->tk_status < 0)
if (task->tk_status < 0) {
ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx,
hdr->args.offset, hdr->args.count,
hdr->res.op_status, OP_WRITE,
&hdr->res.op_status, OP_WRITE,
task->tk_status);
trace_ff_layout_write_error(hdr);
}
err = ff_layout_async_handle_error(task, hdr->args.context->state,
hdr->ds_clp, hdr->lseg,
hdr->pgio_mirror_idx);
@@ -1537,11 +1544,14 @@ static int ff_layout_commit_done_cb(struct rpc_task *task,
{
int err;
if (task->tk_status < 0)
if (task->tk_status < 0) {
ff_layout_io_track_ds_error(data->lseg, data->ds_commit_index,
data->args.offset, data->args.count,
data->res.op_status, OP_COMMIT,
&data->res.op_status, OP_COMMIT,
task->tk_status);
trace_ff_layout_commit_error(data);
}
err = ff_layout_async_handle_error(task, NULL, data->ds_clp,
data->lseg, data->ds_commit_index);