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-rw-r--r--fs/buffer.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index f4b033237a02..5fa1512cd9a2 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1691,11 +1691,13 @@ static int __block_write_full_page(struct inode *inode, struct page *page,
1691 */ 1691 */
1692 clear_buffer_dirty(bh); 1692 clear_buffer_dirty(bh);
1693 set_buffer_uptodate(bh); 1693 set_buffer_uptodate(bh);
1694 } else if (!buffer_mapped(bh) && buffer_dirty(bh)) { 1694 } else if ((!buffer_mapped(bh) || buffer_delay(bh)) &&
1695 buffer_dirty(bh)) {
1695 WARN_ON(bh->b_size != blocksize); 1696 WARN_ON(bh->b_size != blocksize);
1696 err = get_block(inode, block, bh, 1); 1697 err = get_block(inode, block, bh, 1);
1697 if (err) 1698 if (err)
1698 goto recover; 1699 goto recover;
1700 clear_buffer_delay(bh);
1699 if (buffer_new(bh)) { 1701 if (buffer_new(bh)) {
1700 /* blockdev mappings never come here */ 1702 /* blockdev mappings never come here */
1701 clear_buffer_new(bh); 1703 clear_buffer_new(bh);
@@ -1774,7 +1776,8 @@ recover:
1774 bh = head; 1776 bh = head;
1775 /* Recovery: lock and submit the mapped buffers */ 1777 /* Recovery: lock and submit the mapped buffers */
1776 do { 1778 do {
1777 if (buffer_mapped(bh) && buffer_dirty(bh)) { 1779 if (buffer_mapped(bh) && buffer_dirty(bh) &&
1780 !buffer_delay(bh)) {
1778 lock_buffer(bh); 1781 lock_buffer(bh);
1779 mark_buffer_async_write(bh); 1782 mark_buffer_async_write(bh);
1780 } else { 1783 } else {