linux-next: nfs tree build failure

linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

Today's linux-next build (powerpc ppc64_defconfig) failed like this:

fs/built-in.o: In function `.nfs_get_client':
client.c:(.text+0x115010): undefined reference to `.__ipv6_addr_type'

# CONFIG_IPV6 is not set

Probably caused by commit d7371c41b0cda782256b1df759df4e8d4724584c ("Bug
11061, NFS mounts dropped").

I have used the nfs tree from next-20090311 instead of today's.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: nfs tree build failure

[Trond Myklebust]

On Thu, 2009-03-12 at 11:26 +1100, Stephen Rothwell wrote:
> Hi Trond,
> 
> Today's linux-next build (powerpc ppc64_defconfig) failed like this:
> 
> fs/built-in.o: In function `.nfs_get_client':
> client.c:(.text+0x115010): undefined reference to `.__ipv6_addr_type'
> 
> # CONFIG_IPV6 is not set
> 
> Probably caused by commit d7371c41b0cda782256b1df759df4e8d4724584c ("Bug
> 11061, NFS mounts dropped").
> 
> I have used the nfs tree from next-20090311 instead of today's.

Should be fixed in today's tree. I appended the following patch:
-----------------------------------------------------------------
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Subject: NFS: Fix the fix to Bugzilla #11061, when IPv6 isn't defined...

Stephen Rothwell reports:

Today's linux-next build (powerpc ppc64_defconfig) failed like this:

fs/built-in.o: In function `.nfs_get_client':
client.c:(.text+0x115010): undefined reference to `.__ipv6_addr_type'

Fix by moving the IPV6 specific parts of commit
d7371c41b0cda782256b1df759df4e8d4724584c ("Bug 11061, NFS mounts dropped")
into the '#ifdef IPV6..." section.

Also fix up a couple of formatting issues.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

 fs/nfs/client.c |   68 ++++++++++++++++++++++++++++++++-----------------------
 1 files changed, 39 insertions(+), 29 deletions(-)


diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 06654b8..574158a 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -255,6 +255,32 @@ static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
 	}
 	return 0;
 }
+
+/*
+ * Test if two ip6 socket addresses refer to the same socket by
+ * comparing relevant fields. The padding bytes specifically, are not
+ * compared. sin6_flowinfo is not compared because it only affects QoS
+ * and sin6_scope_id is only compared if the address is "link local"
+ * because "link local" addresses need only be unique to a specific
+ * link. Conversely, ordinary unicast addresses might have different
+ * sin6_scope_id.
+ *
+ * The caller should ensure both socket addresses are AF_INET6.
+ */
+static int nfs_sockaddr_cmp_ip6(const struct sockaddr *sa1,
+				const struct sockaddr *sa2)
+{
+	const struct sockaddr_in6 *saddr1 = (const struct sockaddr_in6 *)sa1;
+	const struct sockaddr_in6 *saddr2 = (const struct sockaddr_in6 *)sa2;
+
+	if (!ipv6_addr_equal(&saddr1->sin6_addr,
+			     &saddr1->sin6_addr))
+		return 0;
+	if (ipv6_addr_scope(&saddr1->sin6_addr) == IPV6_ADDR_SCOPE_LINKLOCAL &&
+	    saddr1->sin6_scope_id != saddr2->sin6_scope_id)
+		return 0;
+	return saddr1->sin6_port == saddr2->sin6_port;
+}
 #else
 static int nfs_sockaddr_match_ipaddr4(const struct sockaddr_in *sa1,
 				 const struct sockaddr_in *sa2)
@@ -270,6 +296,12 @@ static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
 	return nfs_sockaddr_match_ipaddr4((const struct sockaddr_in *)sa1,
 			(const struct sockaddr_in *)sa2);
 }
+
+static int nfs_sockaddr_cmp_ip6(const struct sockaddr * sa1,
+				const struct sockaddr * sa2)
+{
+	return 0;
+}
 #endif
 
 /*
@@ -279,38 +311,18 @@ static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
  *
  * The caller should ensure both socket addresses are AF_INET.
  */
-static int nfs_sockaddr_cmp_ip4(const struct sockaddr_in * saddr1,
-				const struct sockaddr_in * saddr2)
+static int nfs_sockaddr_cmp_ip4(const struct sockaddr *sa1,
+				const struct sockaddr *sa2)
 {
+	const struct sockaddr_in *saddr1 = (const struct sockaddr_in *)sa1;
+	const struct sockaddr_in *saddr2 = (const struct sockaddr_in *)sa2;
+
 	if (saddr1->sin_addr.s_addr != saddr2->sin_addr.s_addr)
 		return 0;
 	return saddr1->sin_port == saddr2->sin_port;
 }
 
 /*
- * Test if two ip6 socket addresses refer to the same socket by
- * comparing relevant fields. The padding bytes specifically, are not
- * compared. sin6_flowinfo is not compared because it only affects QoS
- * and sin6_scope_id is only compared if the address is "link local"
- * because "link local" addresses need only be unique to a specific
- * link. Conversely, ordinary unicast addresses might have different
- * sin6_scope_id.
- *
- * The caller should ensure both socket addresses are AF_INET6.
- */
-static int nfs_sockaddr_cmp_ip6 (const struct sockaddr_in6 * saddr1,
-				 const struct sockaddr_in6 * saddr2)
-{
-	if (!ipv6_addr_equal(&saddr1->sin6_addr,
-			     &saddr1->sin6_addr))
-		return 0;
-	if (ipv6_addr_scope(&saddr1->sin6_addr) == IPV6_ADDR_SCOPE_LINKLOCAL &&
-	    saddr1->sin6_scope_id != saddr2->sin6_scope_id)
-		return 0;
-	return saddr1->sin6_port == saddr2->sin6_port;
-}
-
-/*
  * Test if two socket addresses represent the same actual socket,
  * by comparing (only) relevant fields.
  */
@@ -322,11 +334,9 @@ static int nfs_sockaddr_cmp(const struct sockaddr *sa1,
 
 	switch (sa1->sa_family) {
 	case AF_INET:
-		return nfs_sockaddr_cmp_ip4((const struct sockaddr_in *) sa1,
-					    (const struct sockaddr_in *) sa2);
+		return nfs_sockaddr_cmp_ip4(sa1, sa2);
 	case AF_INET6:
-		return nfs_sockaddr_cmp_ip6((const struct sockaddr_in6 *) sa1,
-					    (const struct sockaddr_in6 *) sa2);
+		return nfs_sockaddr_cmp_ip6(sa1, sa2);
 	}
 	return 0;
 }

Re: linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

On Thu, 12 Mar 2009 14:54:32 -0400 Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
>
> Should be fixed in today's tree. I appended the following patch:
> -----------------------------------------------------------------
> From: Trond Myklebust <Trond.Myklebust@netapp.com>
> Subject: NFS: Fix the fix to Bugzilla #11061, when IPv6 isn't defined...

Thanks.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

On Mon, 01 Feb 2010 09:15:13 -0500 Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
>
> Sorry. There was a 1 line change that somehow slipped out of the final
> revision of the patch. It should be fixed now.

Thanks.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: nfs tree build failure

[Trond Myklebust]

On Mon, 2010-02-01 at 18:38 +1100, Stephen Rothwell wrote: 
> Hi Trond,
> 
> Today's linux-next build (sparc defconfig) failed like this:
> 
> fs/nfs/write.c: In function 'nfs_wb_page':
> fs/nfs/write.c:1478: error: implicit declaration of function 'nfs_commit_inode'
> 
> Caused by commit d01b3158b56e292dbb3eea711a51a1d3dbec5094 ("NFS: Simplify
> nfs_wb_page()").  Neither CONFIG_NFS_V3 nor CONFIG_NFS_V4 is set in this
> build.
> 
> I have reverted that commit for today.

Hi Stephen,

Sorry. There was a 1 line change that somehow slipped out of the final
revision of the patch. It should be fixed now.

Cheers
  Trond

linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

Today's linux-next build (sparc defconfig) failed like this:

fs/nfs/write.c: In function 'nfs_wb_page':
fs/nfs/write.c:1478: error: implicit declaration of function 'nfs_commit_inode'

Caused by commit d01b3158b56e292dbb3eea711a51a1d3dbec5094 ("NFS: Simplify
nfs_wb_page()").  Neither CONFIG_NFS_V3 nor CONFIG_NFS_V4 is set in this
build.

I have reverted that commit for today.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

On Mon, 07 Dec 2009 17:32:45 -0500 Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
>
> The following patch (committed today) should fix the above...

Thanks.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: nfs tree build failure

[Trond Myklebust]

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)) {

linux-next: nfs tree build failure

[Stephen Rothwell]

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.

I applied this patch for today:

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 7 Dec 2009 19:14:54 +1100
Subject: [PATCH] nfs: fixup for non NFS_V4 build

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
 fs/nfs/internal.h |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index b1a020c..23f1fd2 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -197,9 +197,15 @@ 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 void nfs4_restart_rpc(struct rpc_task *, const struct nfs_client *);
 extern struct rpc_procinfo nfs4_procedures[];
+#else
+static inline void nfs4_restart_rpc(struct rpc_task *task,
+		const struct nfs_client *client)
+{
+	rpc_restart_call(task);
+}
 #endif
 
 /* proc.c */
-- 
1.6.5.3

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

Today's linux-next build (powerpc ppc64_defconfig) failed like this:

fs/nfs/nfs4proc.c: In function 'nfs4_handle_exception':
fs/nfs/nfs4proc.c:282: error: 'err' undeclared (first use in this function)

Caused by commit b3508de20f0fc48f5e597b189eed930343ed1441
("NFS4ERR_FILE_OPEN handling in Linux/NFS").

Please, please build test, at least, *before* you publish a tree that is
included in linux-next.  I have used the nfs tree from next-20091203 for
today.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

On Mon, 16 Mar 2009 08:19:26 -0400 Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
>
> Should be fixed now. Somehow the first definition had migrated out of
> the #ifdef section immediately following it.

Thanks.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: nfs tree build failure

[Trond Myklebust]

On Mon, 2009-03-16 at 21:55 +1100, Stephen Rothwell wrote:
> Hi Trond,
> 
> Today's linux-next build (sparc defconfig) failed like this:
> 
> fs/nfs/write.c:568: error: redefinition of 'nfs_need_commit'
> fs/nfs/write.c:542: error: previous definition of 'nfs_need_commit' was here
> 
> Caused by commit fb8a1f11b64e213d94dfa1cebb2a42a7b8c115c4 ("NFS: cleanup
> - remove struct nfs_inode->ncommit") which I have reverted for today.

Should be fixed now. Somehow the first definition had migrated out of
the #ifdef section immediately following it.

Apologies
  Trond

linux-next: nfs tree build failure

[Stephen Rothwell]

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Hi Trond,

Today's linux-next build (sparc defconfig) failed like this:

fs/nfs/write.c:568: error: redefinition of 'nfs_need_commit'
fs/nfs/write.c:542: error: previous definition of 'nfs_need_commit' was here

Caused by commit fb8a1f11b64e213d94dfa1cebb2a42a7b8c115c4 ("NFS: cleanup
- remove struct nfs_inode->ncommit") which I have reverted for today.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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