dm stripe: support discards

[~andy/linux] / fs / nilfs2 / page.c

diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 8de3e1e48130ff6e042e3ba7c7d10b218e1d1268..aab11db2cb083cbf2d45fc258b0de5315d598cf3 100644 (file)
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -37,7 +37,8 @@
 
 #define NILFS_BUFFER_INHERENT_BITS  \
        ((1UL << BH_Uptodate) | (1UL << BH_Mapped) | (1UL << BH_NILFS_Node) | \
-        (1UL << BH_NILFS_Volatile) | (1UL << BH_NILFS_Allocated))
+        (1UL << BH_NILFS_Volatile) | (1UL << BH_NILFS_Allocated) | \
+        (1UL << BH_NILFS_Checked))
 
 static struct buffer_head *
 __nilfs_get_page_block(struct page *page, unsigned long block, pgoff_t index,
@@ -129,6 +130,7 @@ void nilfs_forget_buffer(struct buffer_head *bh)
 
        lock_buffer(bh);
        clear_buffer_nilfs_volatile(bh);
+       clear_buffer_nilfs_checked(bh);
        clear_buffer_dirty(bh);
        if (nilfs_page_buffers_clean(page))
                __nilfs_clear_page_dirty(page);
@@ -480,6 +482,7 @@ void nilfs_clear_dirty_pages(struct address_space *mapping)
                                lock_buffer(bh);
                                clear_buffer_dirty(bh);
                                clear_buffer_nilfs_volatile(bh);
+                               clear_buffer_nilfs_checked(bh);
                                clear_buffer_uptodate(bh);
                                clear_buffer_mapped(bh);
                                unlock_buffer(bh);