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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-02-19 20:04:23 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-02-25 21:40:37 -0800
commit101070ca2fe67186f5f5517b66cb4757b17f4e29 (patch)
treeb131c97e3033fc4c848e8cb3d76f675735b95085 /fs/nfs/nfs4proc.c
parent5746006f1d17d9d5a3015051ea54de4341cb31f9 (diff)
downloadop-kernel-dev-101070ca2fe67186f5f5517b66cb4757b17f4e29.zip
op-kernel-dev-101070ca2fe67186f5f5517b66cb4757b17f4e29.tar.gz
NFS: Ensure that the asynchronous RPC calls complete on nfsiod.
We want to ensure that rpc_call_ops that involve mntput() are run on nfsiod rather than on rpciod, so that they don't deadlock when the resulting umount calls rpc_shutdown_client(). Hence we specify that read, write and commit calls must complete on nfsiod. Ditto for NFSv4 open, lock, locku and close asynchronous calls. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7ce0786..b6db833 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -51,6 +51,7 @@
#include "nfs4_fs.h"
#include "delegation.h"
+#include "internal.h"
#include "iostat.h"
#define NFSDBG_FACILITY NFSDBG_PROC
@@ -773,6 +774,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data)
.rpc_message = &msg,
.callback_ops = &nfs4_open_confirm_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int status;
@@ -910,6 +912,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
.rpc_message = &msg,
.callback_ops = &nfs4_open_ops,
.callback_data = data,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int status;
@@ -1315,6 +1318,7 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait)
.rpc_client = server->client,
.rpc_message = &msg,
.callback_ops = &nfs4_close_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int status = -ENOMEM;
@@ -3235,6 +3239,7 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl,
.rpc_client = NFS_CLIENT(lsp->ls_state->inode),
.rpc_message = &msg,
.callback_ops = &nfs4_locku_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
@@ -3419,6 +3424,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
.rpc_client = NFS_CLIENT(state->inode),
.rpc_message = &msg,
.callback_ops = &nfs4_lock_ops,
+ .workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC,
};
int ret;
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