summaryrefslogtreecommitdiffstats
path: root/fs/nfs/flexfilelayout/flexfilelayout.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayout.c')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 7fc14b90886e..03516c80855a 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -339,6 +339,19 @@ static void ff_layout_sort_mirrors(struct nfs4_ff_layout_segment *fls)
}
}
+static void ff_layout_mark_devices_valid(struct nfs4_ff_layout_segment *fls)
+{
+ struct nfs4_deviceid_node *node;
+ int i;
+
+ if (!(fls->flags & FF_FLAGS_NO_IO_THRU_MDS))
+ return;
+ for (i = 0; i < fls->mirror_array_cnt; i++) {
+ node = &fls->mirror_array[i]->mirror_ds->id_node;
+ clear_bit(NFS_DEVICEID_UNAVAILABLE, &node->flags);
+ }
+}
+
static struct pnfs_layout_segment *
ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh,
struct nfs4_layoutget_res *lgr,
@@ -499,6 +512,7 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh,
rc = ff_layout_check_layout(lgr);
if (rc)
goto out_err_free;
+ ff_layout_mark_devices_valid(fls);
ret = &fls->generic_hdr;
dprintk("<-- %s (success)\n", __func__);
@@ -1035,7 +1049,8 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
rpc_wake_up(&tbl->slot_tbl_waitq);
/* fall through */
default:
- if (ff_layout_has_available_ds(lseg))
+ if (ff_layout_no_fallback_to_mds(lseg) ||
+ ff_layout_has_available_ds(lseg))
return -NFS4ERR_RESET_TO_PNFS;
reset:
dprintk("%s Retry through MDS. Error %d\n", __func__,
@@ -1153,7 +1168,6 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
}
/* NFS_PROTO call done callback routines */
-
static int ff_layout_read_done_cb(struct rpc_task *task,
struct nfs_pgio_header *hdr)
{