aboutsummaryrefslogtreecommitdiff
path: root/fs/nfs
diff options
context:
space:
mode:
authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-02-26 13:52:50 -0500
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-03-01 22:37:38 -0500
commit17aaec816751d77e443dee66d11d9e6ac00ac95c (patch)
treec3f9779e3ff652c1cbe0e9ec4cd046a607106a88 /fs/nfs
parentd082d4b5a0ddf56d9a63eae66119f2ef53783d5f (diff)
downloadlinux-stericsson-17aaec816751d77e443dee66d11d9e6ac00ac95c.tar.gz
NFS/flexfiles: Don't invalidate DS deviceids for being unresponsive
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@hammerspace.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.h18
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayoutdev.c6
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 92efb5692eb3..7fd92226e4b9 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -186,7 +186,7 @@ out_err:
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);
@@ -605,7 +605,7 @@ 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;
}
}
@@ -626,7 +626,7 @@ 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;
}