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| author |   Peng Tao <tao.peng@primarydata.com> | 2014-07-03 13:05:02 +0800 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@primarydata.com> | 2014-07-12 18:23:17 -0400 |
| commit | 039b756a2d347bfbcdeb36dde25b6c472f0c4bb6 (patch) | |
| tree | a242926c84a284e0447eaa9e15eaeca134dbc99d /fs/nfs/nfs4proc.c | |
| parent | nfs41: return layout on last close (diff) | |
| download | linux-dev-039b756a2d347bfbcdeb36dde25b6c472f0c4bb6.tar.xz linux-dev-039b756a2d347bfbcdeb36dde25b6c472f0c4bb6.zip | |
nfs41: layout return on close in delegation return
If file is not opened by anyone, we do layout return on close
in delegation return.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 734f7da10241..0a6fdc036915 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5030,6 +5030,9 @@ struct nfs4_delegreturndata { unsigned long timestamp; struct nfs_fattr fattr; int rpc_status; + struct inode *inode; + bool roc; + u32 roc_barrier; }; static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) @@ -5043,7 +5046,6 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) switch (task->tk_status) { case 0: renew_lease(data->res.server, data->timestamp); - break; case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_BAD_STATEID: @@ -5051,6 +5053,8 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) case -NFS4ERR_STALE_STATEID: case -NFS4ERR_EXPIRED: task->tk_status = 0; + if (data->roc) + pnfs_roc_set_barrier(data->inode, data->roc_barrier); break; default: if (nfs4_async_handle_error(task, data->res.server, NULL) == @@ -5064,6 +5068,10 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) static void nfs4_delegreturn_release(void *calldata) { + struct nfs4_delegreturndata *data = calldata; + + if (data->roc) + pnfs_roc_release(data->inode); kfree(calldata); } @@ -5073,6 +5081,10 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data) d_data = (struct nfs4_delegreturndata *)data; + if (d_data->roc && + pnfs_roc_drain(d_data->inode, &d_data->roc_barrier, task)) + return; + nfs4_setup_sequence(d_data->res.server, &d_data->args.seq_args, &d_data->res.seq_res, @@ -5116,6 +5128,9 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co nfs_fattr_init(data->res.fattr); data->timestamp = jiffies; data->rpc_status = 0; + data->inode = inode; + data->roc = list_empty(&NFS_I(inode)->open_files) ? + pnfs_roc(inode) : false; task_setup_data.callback_data = data; msg.rpc_argp = &data->args; |