From: Tom Haynes <thomas.haynes@primarydata.com>
To: Trond Myklebust <Trond.Myklebust@primarydata.com>
Cc: Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Subject: [PATCH 10/50] nfs41: create NFSv3 DS connection if specified
Date: Tue, 16 Dec 2014 11:01:13 -0800 [thread overview]
Message-ID: <1418756513-95187-11-git-send-email-loghyr@primarydata.com> (raw)
In-Reply-To: <1418756513-95187-1-git-send-email-loghyr@primarydata.com>
From: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
---
fs/nfs/pnfs_dev.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 51 insertions(+), 3 deletions(-)
diff --git a/fs/nfs/pnfs_dev.c b/fs/nfs/pnfs_dev.c
index 56f5c16..655333d 100644
--- a/fs/nfs/pnfs_dev.c
+++ b/fs/nfs/pnfs_dev.c
@@ -615,7 +615,44 @@ static void nfs4_clear_ds_conn_bit(struct nfs4_pnfs_ds *ds)
wake_up_bit(&ds->ds_state, NFS4DS_CONNECTING);
}
-static int _nfs4_pnfs_ds_connect(struct nfs_server *mds_srv,
+static int _nfs4_pnfs_v3_ds_connect(struct nfs_server *mds_srv,
+ struct nfs4_pnfs_ds *ds,
+ unsigned int timeo,
+ unsigned int retrans,
+ rpc_authflavor_t au_flavor)
+{
+ struct nfs_client *clp = ERR_PTR(-EIO);
+ struct nfs4_pnfs_ds_addr *da;
+ int status = 0;
+
+ dprintk("--> %s DS %s au_flavor %d\n", __func__,
+ ds->ds_remotestr, au_flavor);
+
+ list_for_each_entry(da, &ds->ds_addrs, da_node) {
+ dprintk("%s: DS %s: trying address %s\n",
+ __func__, ds->ds_remotestr, da->da_remotestr);
+
+ clp = nfs3_set_ds_client(mds_srv->nfs_client,
+ (struct sockaddr *)&da->da_addr,
+ da->da_addrlen, IPPROTO_TCP,
+ timeo, retrans, au_flavor);
+ if (!IS_ERR(clp))
+ break;
+ }
+
+ if (IS_ERR(clp)) {
+ status = PTR_ERR(clp);
+ goto out;
+ }
+
+ smp_wmb();
+ ds->ds_clp = clp;
+ dprintk("%s [new] addr: %s\n", __func__, ds->ds_remotestr);
+out:
+ return status;
+}
+
+static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv,
struct nfs4_pnfs_ds *ds,
unsigned int timeo,
unsigned int retrans,
@@ -674,8 +711,19 @@ void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
int err = 0;
- err = _nfs4_pnfs_ds_connect(mds_srv, ds, timeo, retrans,
- minor_version, au_flavor);
+ if (version == 3) {
+ err = _nfs4_pnfs_v3_ds_connect(mds_srv, ds, timeo,
+ retrans, au_flavor);
+ } else if (version == 4) {
+ err = _nfs4_pnfs_v4_ds_connect(mds_srv, ds, timeo,
+ retrans, minor_version,
+ au_flavor);
+ } else {
+ dprintk("%s: unsupported DS version %d\n", __func__,
+ version);
+ err = -EPROTONOSUPPORT;
+ }
+
if (err)
nfs4_mark_deviceid_unavailable(devid);
nfs4_clear_ds_conn_bit(ds);
--
1.9.3
next prev parent reply other threads:[~2014-12-16 19:02 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-16 19:01 [PATCH 00/50] *** Add Flexfile Layout Module *** Tom Haynes
2014-12-16 19:01 ` [PATCH 01/50] pnfs: Prepare for flexfiles by pulling out common code Tom Haynes
2014-12-16 19:56 ` Anna Schumaker
2014-12-16 20:32 ` Tom Haynes
2014-12-16 20:35 ` Tom Haynes
2014-12-16 19:01 ` [PATCH 02/50] pnfs: Do not grab the commit_info lock twice when rescheduling writes Tom Haynes
2014-12-16 19:01 ` [PATCH 03/50] nfs41: pull data server cache from file layout to generic pnfs Tom Haynes
2014-12-16 19:01 ` [PATCH 04/50] nfs41: pull nfs4_ds_connect " Tom Haynes
2014-12-16 19:01 ` [PATCH 05/50] nfs41: pull decode_ds_addr " Tom Haynes
2014-12-16 19:01 ` [PATCH 06/50] nfs41: allow LD to choose DS connection auth flavor Tom Haynes
2014-12-16 19:01 ` [PATCH 07/50] nfs41: move file layout macros to generic pnfs Tom Haynes
2014-12-16 19:01 ` [PATCH 08/50] nfsv3: introduce nfs3_set_ds_client Tom Haynes
2014-12-16 20:35 ` Anna Schumaker
2014-12-16 21:55 ` Tom Haynes
2014-12-22 2:22 ` Peng Tao
2014-12-16 19:01 ` [PATCH 09/50] nfs41: allow LD to choose DS connection version/minor_version Tom Haynes
2014-12-16 19:01 ` Tom Haynes [this message]
2014-12-16 19:01 ` [PATCH 11/50] pnfs: Add nfs_rpc_ops in calls to nfs_initiate_pgio Tom Haynes
2014-12-16 19:01 ` [PATCH 12/50] nfs: allow different protocol in nfs_initiate_commit Tom Haynes
2014-12-16 19:01 ` [PATCH 13/50] nfs4: pass slot table to nfs40_setup_sequence Tom Haynes
2014-12-16 19:01 ` [PATCH 14/50] nfs4: export nfs4_sequence_done Tom Haynes
2014-12-16 19:01 ` [PATCH 15/50] nfs: allow to specify cred in nfs_initiate_pgio Tom Haynes
2014-12-16 19:01 ` [PATCH 16/50] NFSv4.1/NFSv3: Add pNFS callbacks for nfs3_(read|write|commit)_done() Tom Haynes
2014-12-16 19:01 ` [PATCH 17/50] sunrpc: add rpc_count_iostats_idx Tom Haynes
2014-12-16 19:01 ` [PATCH 18/50] nfs: set hostname when creating nfsv3 ds connection Tom Haynes
2014-12-16 19:01 ` [PATCH 19/50] nfs/flexclient: export pnfs_layoutcommit_inode Tom Haynes
2014-12-16 19:01 ` [PATCH 20/50] nfs41: close a small race window when adding new layout to global list Tom Haynes
2014-12-16 19:01 ` [PATCH 21/50] nfs41: serialize first layoutget of a file Tom Haynes
2014-12-16 19:01 ` [PATCH 22/50] nfs: save server READ/WRITE/COMMIT status Tom Haynes
2014-12-16 19:01 ` [PATCH 23/50] nfs41: pass iomode through layoutreturn args Tom Haynes
2014-12-16 19:01 ` [PATCH 24/50] nfs41: make a helper function to send layoutreturn Tom Haynes
2014-12-16 19:01 ` [PATCH 25/50] nfs41: add a helper to mark layout for return Tom Haynes
2014-12-16 19:01 ` [PATCH 26/50] nfs41: don't use a layout if it is marked for returning Tom Haynes
2014-12-16 19:01 ` [PATCH 27/50] nfs41: send layoutreturn in last put_lseg Tom Haynes
2014-12-16 19:01 ` [PATCH 28/50] nfs41: clear NFS_LAYOUT_RETURN if layoutreturn is sent or failed to send Tom Haynes
2014-12-16 19:01 ` [PATCH 29/50] nfs/filelayout: use pnfs_error_mark_layout_for_return Tom Haynes
2014-12-16 19:01 ` [PATCH 30/50] nfs: introduce pg_cleanup op for pgio descriptors Tom Haynes
2014-12-16 19:01 ` [PATCH 31/50] pnfs: release lseg in pnfs_generic_pg_cleanup Tom Haynes
2014-12-16 19:01 ` [PATCH 32/50] nfs: handle overlapping reqs in lock_and_join Tom Haynes
2014-12-16 19:01 ` [PATCH 33/50] nfs: rename pgio header ds_idx to ds_commit_idx Tom Haynes
2014-12-16 19:01 ` [PATCH 34/50] pnfs: pass ds_commit_idx through the commit path Tom Haynes
2014-12-16 19:01 ` [PATCH 35/50] nfs: add mirroring support to pgio layer Tom Haynes
2014-12-16 19:01 ` [PATCH 36/50] nfs: mirroring support for direct io Tom Haynes
2014-12-16 19:01 ` [PATCH 37/50] pnfs: fail comparison when bucket verifier not set Tom Haynes
2014-12-16 19:01 ` [PATCH 38/50] nfs41: add a debug warning if we destroy an unempty layout Tom Haynes
2014-12-16 21:03 ` Anna Schumaker
2014-12-22 2:06 ` Peng Tao
2014-12-16 19:01 ` [PATCH 39/50] nfs/flexfiles: send layoutreturn before freeing lseg Tom Haynes
2014-12-16 21:12 ` Anna Schumaker
2014-12-16 22:02 ` Tom Haynes
2014-12-17 14:44 ` Anna Schumaker
2014-12-16 19:01 ` [PATCH 40/50] nfs: only reset desc->pg_mirror_idx when mirroring is supported Tom Haynes
2014-12-16 19:01 ` [PATCH 41/50] nfs: add nfs_pgio_current_mirror helper Tom Haynes
2014-12-16 19:01 ` [PATCH 42/50] pnfs: allow LD to ask to resend read through pnfs Tom Haynes
2014-12-16 19:01 ` [PATCH 43/50] nfs41: add range to layoutreturn args Tom Haynes
2014-12-16 19:01 ` [PATCH 44/50] nfs41: allow async version layoutreturn Tom Haynes
2014-12-16 19:01 ` [PATCH 45/50] nfs41: introduce NFS_LAYOUT_RETURN_BEFORE_CLOSE Tom Haynes
2014-12-16 19:01 ` [PATCH 46/50] nfs/flexfiles: defer sending layoutreturn in pnfs_put_lseg Tom Haynes
2014-12-16 19:01 ` [PATCH 47/50] nfs41: add NFS_LAYOUT_RETRY_LAYOUTGET to layout header flags Tom Haynes
2014-12-16 19:01 ` [PATCH 48/50] nfs: add a helper to set NFS_ODIRECT_RESCHED_WRITES to direct writes Tom Haynes
2014-12-16 19:01 ` [PATCH 49/50] nfs41: wait for LAYOUTRETURN before retrying LAYOUTGET Tom Haynes
2014-12-16 19:01 ` [PATCH 50/50] pnfs/flexfiles: Add the FlexFile Layout Driver Tom Haynes
2014-12-16 19:36 ` [PATCH 00/50] *** Add Flexfile Layout Module *** Anna Schumaker
2014-12-16 20:33 ` Tom Haynes
2014-12-16 20:48 ` Tom Haynes
2014-12-16 20:40 ` J. Bruce Fields
2014-12-16 20:45 ` Tom Haynes
2014-12-16 20:53 ` Anna Schumaker
2014-12-16 21:03 ` Tom Haynes
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