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authorNathan Scott <nathans@sgi.com>2005-09-02 16:40:17 +1000
committerNathan Scott <nathans@sgi.com>2005-09-02 16:40:17 +1000
commitbcec2b7f2bf856bdf2a8780a57fe78417a513682 (patch)
tree9eee863e455b22d18727610e09ff8111af9d62e9 /fs
parenteedb5530aad71aecbc1e99cb67f676c26280d3f9 (diff)
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[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>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c11
-rw-r--r--fs/xfs/linux-2.6/xfs_lrw.h7
2 files changed, 15 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index a3a4b5aaf5d9..bd9aba1f2353 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1202,6 +1202,16 @@ out_unlock:
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 @@ struct address_space_operations linvfs_aops = {
.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,
diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h
index f197a720e394..6294dcdb797c 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.h
+++ b/fs/xfs/linux-2.6/xfs_lrw.h
@@ -70,9 +70,10 @@ struct xfs_iomap;
#define XFS_SENDFILE_ENTER 21
#define XFS_WRITEPAGE_ENTER 22
#define XFS_RELEASEPAGE_ENTER 23
-#define XFS_IOMAP_ALLOC_ENTER 24
-#define XFS_IOMAP_ALLOC_MAP 25
-#define XFS_IOMAP_UNWRITTEN 26
+#define XFS_INVALIDPAGE_ENTER 24
+#define XFS_IOMAP_ALLOC_ENTER 25
+#define XFS_IOMAP_ALLOC_MAP 26
+#define XFS_IOMAP_UNWRITTEN 27
extern void xfs_rw_enter_trace(int, struct xfs_iocore *,
void *, size_t, loff_t, int);
extern void xfs_inval_cached_trace(struct xfs_iocore *,