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Message-Id: <20130604145700.6abe693b7e4628cf62948624@canb.auug.org.au>
Date: Tue, 4 Jun 2013 14:57:00 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Greg KH <greg@...ah.com>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Lukas Czerner <lczerner@...hat.com>,
"Theodore Ts'o" <tytso@....edu>, Peng Tao <bergwolf@...il.com>,
Andreas Dilger <andreas.dilger@...el.com>
Subject: linux-next: build failure after merge of the staging tree
Hi Greg,
After merging the staging tree, today's linux-next build (x86_64
allmodconfig) failed like this:
In file included from drivers/staging/lustre/lustre/fid/../include/linux/lustre_compat25.h:44:0,
from drivers/staging/lustre/lustre/fid/../include/linux/lvfs.h:48,
from drivers/staging/lustre/lustre/fid/../include/lvfs.h:45,
from drivers/staging/lustre/lustre/fid/../include/obd_support.h:41,
from drivers/staging/lustre/lustre/fid/../include/linux/obd.h:44,
from drivers/staging/lustre/lustre/fid/../include/obd.h:40,
from drivers/staging/lustre/lustre/fid/fid_store.c:48:
drivers/staging/lustre/lustre/fid/../include/linux/lustre_patchless_compat.h: In function 'truncate_complete_page':
drivers/staging/lustre/lustre/fid/../include/linux/lustre_patchless_compat.h:56:3: error: too few arguments to function 'page->mapping->a_ops->invalidatepage'
page->mapping->a_ops->invalidatepage(page, 0);
^
Lots of times.
Caused by the Lustre client patches interacting with commit d47992f86b30
("mm: change invalidatepage prototype to accept length") from the ext4
tree.
I added this merge fix patch:
From 3873636f50eb89ba5e4f8e4e0523fd62f681edc8 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 4 Jun 2013 14:41:00 +1000
Subject: [PATCH] staging/lustre: fix for invalidatepage() API change
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h b/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h
index f050808..67c4644 100644
--- a/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h
+++ b/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h
@@ -53,7 +53,7 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
return;
if (PagePrivate(page))
- page->mapping->a_ops->invalidatepage(page, 0);
+ page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE);
cancel_dirty_page(page, PAGE_SIZE);
ClearPageMappedToDisk(page);
--
1.8.1
diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c
index 27e4e64..f1a1c5f 100644
--- a/drivers/staging/lustre/lustre/llite/rw26.c
+++ b/drivers/staging/lustre/lustre/llite/rw26.c
@@ -72,7 +72,8 @@
* aligned truncate). Lustre leaves partially truncated page in the cache,
* relying on struct inode::i_size to limit further accesses.
*/
-static void ll_invalidatepage(struct page *vmpage, unsigned long offset)
+static void ll_invalidatepage(struct page *vmpage, unsigned int offset,
+ unsigned int length)
{
struct inode *inode;
struct lu_env *env;
@@ -89,7 +90,7 @@ static void ll_invalidatepage(struct page *vmpage, unsigned long offset)
* below because they are run with page locked and all our io is
* happening with locked page too
*/
- if (offset == 0) {
+ if (offset == 0 && length == PAGE_CACHE_SIZE) {
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
inode = vmpage->mapping->host;
But then got these errors:
drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c: In function 'cfs_cpt_bind':
drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c:630:3: error: implicit declaration of function 'set_cpus_allowed' [-Werror=implicit-function-declaration]
rc = set_cpus_allowed(current, *cpumask);
^
cc1: some warnings being treated as errors
drivers/staging/lustre/lustre/obdclass/lu_object.c: In function 'key_fini':
drivers/staging/lustre/lustre/obdclass/lu_object.c:1354:4: error: implicit declaration of function 'module_refcount' [-Werror=implicit-function-declaration]
LINVRNT(module_refcount(key->lct_owner) > 0);
^
In file included from drivers/staging/lustre/include/linux/libcfs/libcfs.h:203:0,
from drivers/staging/lustre/lustre/obdclass/lu_object.c:47:
drivers/staging/lustre/lustre/obdclass/lu_object.c: In function 'lu_context_keys_dump':
drivers/staging/lustre/lustre/obdclass/lu_object.c:1936:42: error: dereferencing pointer to incomplete type
key->lct_owner ? key->lct_owner->name : "",
^
drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h:221:41: note: in definition of macro '__CDEBUG'
libcfs_debug_msg(&msgdata, format, ## __VA_ARGS__); \
^
drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h:238:30: note: in expansion of macro 'CDEBUG_LIMIT'
#define CERROR(format, ...) CDEBUG_LIMIT(D_ERROR, format, ## __VA_ARGS__)
^
drivers/staging/lustre/lustre/obdclass/lu_object.c:1932:4: note: in expansion of macro 'CERROR'
CERROR("[%d]: %p %x (%p,%p,%p) %d %d \"%s\"@%p\n",
^
cc1: some warnings being treated as errors
drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c: In function 'ptlrpcd':
drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c:398:4: error: implicit declaration of function 'set_cpus_allowed' [-Werror=implicit-function-declaration]
cfs_set_cpus_allowed(current,
^
cc1: some warnings being treated as errors
So I gave up and just reverted commit 52f6317528c6 ("staging/lustre: drop
CONFIG_BROKEN dependency") (thus disabling the code again) for now.
--
Cheers,
Stephen Rothwell sfr@...b.auug.org.au
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