[PATCH-v2 14/17] staging/lustre: fix for invalidatepage() API change

From: Peng Tao
Date: Mon Jul 15 2013 - 09:12:53 EST


From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>

somehow this got dropped during merge window...

Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Peng Tao <tao.peng@xxxxxxx>
Signed-off-by: Andreas Dilger <andreas.dilger@xxxxxxxxx>
---
.../lustre/include/linux/lustre_patchless_compat.h | 2 +-
drivers/staging/lustre/lustre/llite/rw26.c | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)

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 a8e9c0c..a260e99 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);
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;
--
1.7.9.5

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