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pNFS/flexfiles: delete deviceid, don't mark inactive

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Instead of marking a device inactive, remove it from the cache entirely.

Flexfiles has a way to report errors back to the server, so we don't want
to stop devices from being tried again for 120 seconds.

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Weston Andros Adamson 2016-12-14 16:31:55 -05:00 committed by Trond Myklebust
parent 187e593d27
commit 1c48cee83b
2 changed files with 5 additions and 3 deletions
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6
fs/nfs/flexfilelayout/flexfilelayout.c
View File

@ -1126,7 +1126,8 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
case -EPIPE:
dprintk("%s DS connection error %d\n", __func__,
task->tk_status);
nfs4_mark_deviceid_unavailable(devid);
nfs4_delete_deviceid(devid->ld, devid->nfs_client,
&devid->deviceid);
rpc_wake_up(&tbl->slot_tbl_waitq);
/* fall through */
default:
@ -1175,7 +1176,8 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
default:
dprintk("%s DS connection error %d\n", __func__,
task->tk_status);
nfs4_mark_deviceid_unavailable(devid);
nfs4_delete_deviceid(devid->ld, devid->nfs_client,
&devid->deviceid);
}
/* FIXME: Need to prevent infinite looping here. */
return -NFS4ERR_RESET_TO_PNFS;

2
fs/nfs/flexfilelayout/flexfilelayoutdev.c
View File

@ -177,7 +177,7 @@ out_err:
static void ff_layout_mark_devid_invalid(struct pnfs_layout_segment *lseg,
struct nfs4_deviceid_node *devid)
{
nfs4_mark_deviceid_unavailable(devid);
nfs4_delete_deviceid(devid->ld, devid->nfs_client, &devid->deviceid);
if (!ff_layout_has_available_ds(lseg))
pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode,
lseg);