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-rw-r--r--fs/ext3/inode.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 466a332e0bd1..fcfa24361856 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1521,12 +1521,16 @@ static int ext3_ordered_writepage(struct page *page,
if (!page_has_buffers(page)) {
create_empty_buffers(page, inode->i_sb->s_blocksize,
(1 << BH_Dirty)|(1 << BH_Uptodate));
- } else if (!walk_page_buffers(NULL, page_buffers(page), 0, PAGE_CACHE_SIZE, NULL, buffer_unmapped)) {
- /* Provide NULL instead of get_block so that we catch bugs if buffers weren't really mapped */
- return block_write_full_page(page, NULL, wbc);
+ page_bufs = page_buffers(page);
+ } else {
+ page_bufs = page_buffers(page);
+ if (!walk_page_buffers(NULL, page_bufs, 0, PAGE_CACHE_SIZE,
+ NULL, buffer_unmapped)) {
+ /* Provide NULL get_block() to catch bugs if buffers
+ * weren't really mapped */
+ return block_write_full_page(page, NULL, wbc);
+ }
}
- page_bufs = page_buffers(page);
-
handle = ext3_journal_start(inode, ext3_writepage_trans_blocks(inode));
if (IS_ERR(handle)) {
@@ -1581,6 +1585,15 @@ static int ext3_writeback_writepage(struct page *page,
if (ext3_journal_current_handle())
goto out_fail;
+ if (page_has_buffers(page)) {
+ if (!walk_page_buffers(NULL, page_buffers(page), 0,
+ PAGE_CACHE_SIZE, NULL, buffer_unmapped)) {
+ /* Provide NULL get_block() to catch bugs if buffers
+ * weren't really mapped */
+ return block_write_full_page(page, NULL, wbc);
+ }
+ }
+
handle = ext3_journal_start(inode, ext3_writepage_trans_blocks(inode));
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);