diff options
| author | Weston Andros Adamson <dros@monkey.org> | 2017-03-09 12:56:49 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2017-03-17 16:07:17 -0400 |
| commit | da066f3f039eba3e72e97b2ccad0dd8b45ba84bd (patch) | |
| tree | 9d4c5082fab8a1d2d31cf5953db7bd766822276d /fs/nfs/pnfs_nfs.c | |
| parent | a33e4b036d4612f62220f37a9fa29d273b6fd0ca (diff) | |
| download | lwn-da066f3f039eba3e72e97b2ccad0dd8b45ba84bd.tar.gz lwn-da066f3f039eba3e72e97b2ccad0dd8b45ba84bd.zip | |
pNFS/flexfiles: never nfs4_mark_deviceid_unavailable
The flexfiles layout should never mark a device unavailable.
Move nfs4_mark_deviceid_unavailable out of nfs4_pnfs_ds_connect and call
directly from files layout where it's still needed.
The flexfiles driver still handles marked devices in error paths, but will
now print a rate limited warning.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/pnfs_nfs.c')
| -rw-r--r-- | fs/nfs/pnfs_nfs.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c index a7691b927af6..7250b95549ec 100644 --- a/fs/nfs/pnfs_nfs.c +++ b/fs/nfs/pnfs_nfs.c @@ -751,9 +751,11 @@ int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds, struct nfs4_deviceid_node *devid, unsigned int timeo, unsigned int retrans, u32 version, u32 minor_version) { - if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) { - int err = 0; + int err; +again: + err = 0; + if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) { if (version == 3) { err = _nfs4_pnfs_v3_ds_connect(mds_srv, ds, timeo, retrans); @@ -766,23 +768,29 @@ int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds, err = -EPROTONOSUPPORT; } - if (err) - nfs4_mark_deviceid_unavailable(devid); nfs4_clear_ds_conn_bit(ds); } else { nfs4_wait_ds_connect(ds); + + /* what was waited on didn't connect AND didn't mark unavail */ + if (!ds->ds_clp && !nfs4_test_deviceid_unavailable(devid)) + goto again; } /* * At this point the ds->ds_clp should be ready, but it might have * hit an error. */ - if (!ds->ds_clp || !nfs_client_init_is_complete(ds->ds_clp)) { - WARN_ON_ONCE(1); - return -EINVAL; + if (!err) { + if (!ds->ds_clp || !nfs_client_init_is_complete(ds->ds_clp)) { + WARN_ON_ONCE(ds->ds_clp || + !nfs4_test_deviceid_unavailable(devid)); + return -EINVAL; + } + err = nfs_client_init_status(ds->ds_clp); } - return nfs_client_init_status(ds->ds_clp); + return err; } EXPORT_SYMBOL_GPL(nfs4_pnfs_ds_connect); |