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SubjectRe: linux-next: nfs tree build failure
From
Date
On Mon, 2009-12-07 at 19:23 +1100, Stephen Rothwell wrote: 
> Hi ,
>
> Today's linux-next build (powerpc ppc44x_defconfig) failed like this:
>
> fs/built-in.o: In function `nfs_readpage_retry':
> read.c:(.text+0x79228): undefined reference to `nfs4_restart_rpc'
> fs/built-in.o: In function `nfs_async_unlink_done':
> unlink.c:(.text+0x7a0c0): undefined reference to `nfs4_restart_rpc'
> fs/built-in.o: In function `nfs_writeback_done':
> (.text+0x7b614): undefined reference to `nfs4_restart_rpc'
>
> Caused by commit e608e79f1bf4b967afcf57777e63b5f0939b00e8 ("nfs41: call
> free slot from nfs4_restart_rpc"). This build is done without
> CONFIG_NFS_V4, so nfs4proc.o is not built.

Hi Stephen,

The following patch (committed today) should fix the above...

Thanks!
Trond

-----------------------------------------------------------------------------------------------
NFS: Fix up the declaration of nfs4_restart_rpc when NFSv4 not configured

From: Trond Myklebust <Trond.Myklebust@netapp.com>

Also rename it: it is used in generic code, and so should not have a 'nfs4'
prefix.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

fs/nfs/internal.h | 13 ++++++++++++-
fs/nfs/nfs4proc.c | 25 +++++++------------------
fs/nfs/read.c | 2 +-
fs/nfs/unlink.c | 2 +-
fs/nfs/write.c | 2 +-
5 files changed, 22 insertions(+), 22 deletions(-)


diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index b1a020c..29e464d 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -197,7 +197,6 @@ extern const u32 nfs41_maxwrite_overhead;
#endif

/* nfs4proc.c */
-extern void nfs4_restart_rpc(struct rpc_task *, const struct nfs_client *);
#ifdef CONFIG_NFS_V4
extern struct rpc_procinfo nfs4_procedures[];
#endif
@@ -367,3 +366,15 @@ unsigned int nfs_page_array_len(unsigned int base, size_t len)
return ((unsigned long)len + (unsigned long)base +
PAGE_SIZE - 1) >> PAGE_SHIFT;
}
+
+/*
+ * Helper for restarting RPC calls in the possible presence of NFSv4.1
+ * sessions.
+ */
+static inline void nfs_restart_rpc(struct rpc_task *task, const struct nfs_client *clp)
+{
+ if (nfs4_has_session(clp))
+ rpc_restart_call_prepare(task);
+ else
+ rpc_restart_call(task);
+}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index fbae2c9..acde776 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -625,17 +625,6 @@ static void nfs4_sequence_done(const struct nfs_server *server,
#endif /* CONFIG_NFS_V4_1 */
}

-void nfs4_restart_rpc(struct rpc_task *task, const struct nfs_client *clp)
-{
-#ifdef CONFIG_NFS_V4_1
- if (nfs4_has_session(clp)) {
- rpc_restart_call_prepare(task);
- return;
- }
-#endif /* CONFIG_NFS_V4_1 */
- rpc_restart_call(task);
-}
-
static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo)
{
struct nfs_inode *nfsi = NFS_I(dir);
@@ -1739,7 +1728,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
break;
default:
if (nfs4_async_handle_error(task, server, state) == -EAGAIN) {
- nfs4_restart_rpc(task, server->nfs_client);
+ nfs_restart_rpc(task, server->nfs_client);
return;
}
}
@@ -2974,7 +2963,7 @@ static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data)
nfs4_sequence_done(server, &data->res.seq_res, task->tk_status);

if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
- nfs4_restart_rpc(task, server->nfs_client);
+ nfs_restart_rpc(task, server->nfs_client);
return -EAGAIN;
}

@@ -2998,7 +2987,7 @@ static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data)
task->tk_status);

if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
- nfs4_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+ nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
return -EAGAIN;
}
if (task->tk_status >= 0) {
@@ -3026,7 +3015,7 @@ static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data)
nfs4_sequence_done(NFS_SERVER(inode), &data->res.seq_res,
task->tk_status);
if (nfs4_async_handle_error(task, NFS_SERVER(inode), NULL) == -EAGAIN) {
- nfs4_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
+ nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
return -EAGAIN;
}
nfs_refresh_inode(inode, data->res.fattr);
@@ -3737,7 +3726,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
break;
default:
if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
- nfs4_restart_rpc(task,
+ nfs_restart_rpc(task,
calldata->server->nfs_client);
}
}
@@ -4392,7 +4381,7 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata)
dprintk("%s Retry: tk_status %d\n", __func__, task->tk_status);
rpc_delay(task, NFS4_POLL_RETRY_MIN);
task->tk_status = 0;
- nfs4_restart_rpc(task, data->clp);
+ nfs_restart_rpc(task, data->clp);
return;
}
dprintk("<-- %s\n", __func__);
@@ -4854,7 +4843,7 @@ void nfs41_sequence_call_done(struct rpc_task *task, void *data)

if (_nfs4_async_handle_error(task, NULL, clp, NULL)
== -EAGAIN) {
- nfs4_restart_rpc(task, clp);
+ nfs_restart_rpc(task, clp);
return;
}
}
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index d319bfb..db9b360 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -368,7 +368,7 @@ static void nfs_readpage_retry(struct rpc_task *task, struct nfs_read_data *data
argp->offset += resp->count;
argp->pgbase += resp->count;
argp->count -= resp->count;
- nfs4_restart_rpc(task, NFS_SERVER(data->inode)->nfs_client);
+ nfs_restart_rpc(task, NFS_SERVER(data->inode)->nfs_client);
}

/*
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 1064c91..6da3d3f 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -83,7 +83,7 @@ static void nfs_async_unlink_done(struct rpc_task *task, void *calldata)
struct inode *dir = data->dir;

if (!NFS_PROTO(dir)->unlink_done(task, dir))
- nfs4_restart_rpc(task, NFS_SERVER(dir)->nfs_client);
+ nfs_restart_rpc(task, NFS_SERVER(dir)->nfs_client);
}

/**
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index d546c60..a28123b 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1216,7 +1216,7 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
*/
argp->stable = NFS_FILE_SYNC;
}
- nfs4_restart_rpc(task, server->nfs_client);
+ nfs_restart_rpc(task, server->nfs_client);
return -EAGAIN;
}
if (time_before(complain, jiffies)) {



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