[XFS] Add a chunk of tracing code to diagnose truncate related issues.
SGI-PV: 938410
SGI-Modid: xfs-linux:xfs-kern:22966a
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index a3a4b5a..bd9aba1 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1202,6 +1202,16 @@
return error;
}
+STATIC int
+linvfs_invalidate_page(
+ struct page *page,
+ unsigned long offset)
+{
+ xfs_page_trace(XFS_INVALIDPAGE_ENTER,
+ page->mapping->host, page, offset);
+ return block_invalidatepage(page, offset);
+}
+
/*
* Called to move a page into cleanable state - and from there
* to be released. Possibly the page is already clean. We always
@@ -1279,6 +1289,7 @@
.writepage = linvfs_writepage,
.sync_page = block_sync_page,
.releasepage = linvfs_release_page,
+ .invalidatepage = linvfs_invalidate_page,
.prepare_write = linvfs_prepare_write,
.commit_write = generic_commit_write,
.bmap = linvfs_bmap,