If the DS is unresponsive, we want to just mark it as such, while
reporting the errors. If the server later returns the same deviceid
in a new layout, then we don't want to have to look it up again.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/flexfilelayout/flexfilelayout.h | 18 ------------------
fs/nfs/flexfilelayout/flexfilelayoutdev.c | 6 +++---
2 files changed, 3 insertions(+), 21 deletions(-)
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h
index 93508112486a..2e3c606625ef 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.h
+++ b/fs/nfs/flexfilelayout/flexfilelayout.h
@@ -180,24 +180,6 @@ ff_layout_no_read_on_rw(struct pnfs_layout_segment *lseg)
return FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_READ_IO;
}
-static inline bool
-ff_layout_test_devid_unavailable(struct nfs4_deviceid_node *node)
-{
- /*
- * Flexfiles should never mark a DS unavailable, but if it does
- * print a (ratelimited) warning as this can affect performance.
- */
- if (nfs4_test_deviceid_unavailable(node)) {
- u32 *p = (u32 *)node->deviceid.data;
-
- pr_warn_ratelimited("NFS: flexfiles layout referencing an "
- "unavailable device [%x%x%x%x]\n",
- p[0], p[1], p[2], p[3]);
- return true;
- }
- return false;
-}
-
static inline int
nfs4_ff_layout_ds_version(struct pnfs_layout_segment *lseg, u32 ds_idx)
{
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 9d56926f4845..a52b31417fab 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -186,7 +186,7 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
static void ff_layout_mark_devid_invalid(struct pnfs_layout_segment *lseg,
struct nfs4_deviceid_node *devid)
{
- nfs4_delete_deviceid(devid->ld, devid->nfs_client, &devid->deviceid);
+ nfs4_mark_deviceid_unavailable(devid);
if (!ff_layout_has_available_ds(lseg))
pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode,
lseg);
@@ -606,7 +606,7 @@ static bool ff_read_layout_has_available_ds(struct pnfs_layout_segment *lseg)
if (IS_ERR(mirror->mirror_ds))
continue;
devid = &mirror->mirror_ds->id_node;
- if (!ff_layout_test_devid_unavailable(devid))
+ if (!nfs4_test_deviceid_unavailable(devid))
return true;
}
}
@@ -627,7 +627,7 @@ static bool ff_rw_layout_has_available_ds(struct pnfs_layout_segment *lseg)
if (!mirror->mirror_ds)
continue;
devid = &mirror->mirror_ds->id_node;
- if (ff_layout_test_devid_unavailable(devid))
+ if (nfs4_test_deviceid_unavailable(devid))
return false;
}
--
2.20.1
