Merge tag 'md/4.1' of git://neil.brown.name/md

[firefly-linux-kernel-4.4.55.git] / fs / nilfs2 / segment.c

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 0c3f303baf32f196af9360f8f78773f29a31e139..c6abbad9b8e3833d9cbbac60f648e786b600836f 100644 (file)
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -24,6 +24,7 @@
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/writeback.h>
+#include <linux/bitops.h>
 #include <linux/bio.h>
 #include <linux/completion.h>
 #include <linux/blkdev.h>
@@ -1588,7 +1589,6 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
 
                list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
                                    b_assoc_buffers) {
-                       set_buffer_async_write(bh);
                        if (bh->b_page != bd_page) {
                                if (bd_page) {
                                        lock_page(bd_page);
@@ -1688,7 +1688,6 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
        list_for_each_entry(segbuf, logs, sb_list) {
                list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
                                    b_assoc_buffers) {
-                       clear_buffer_async_write(bh);
                        if (bh->b_page != bd_page) {
                                if (bd_page)
                                        end_page_writeback(bd_page);
@@ -1768,7 +1767,6 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
                                    b_assoc_buffers) {
                        set_buffer_uptodate(bh);
                        clear_buffer_dirty(bh);
-                       clear_buffer_async_write(bh);
                        if (bh->b_page != bd_page) {
                                if (bd_page)
                                        end_page_writeback(bd_page);
@@ -1788,12 +1786,13 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
                 */
                list_for_each_entry(bh, &segbuf->sb_payload_buffers,
                                    b_assoc_buffers) {
-                       set_buffer_uptodate(bh);
-                       clear_buffer_dirty(bh);
-                       clear_buffer_async_write(bh);
-                       clear_buffer_delay(bh);
-                       clear_buffer_nilfs_volatile(bh);
-                       clear_buffer_nilfs_redirected(bh);
+                       const unsigned long set_bits = (1 << BH_Uptodate);
+                       const unsigned long clear_bits =
+                               (1 << BH_Dirty | 1 << BH_Async_Write |
+                                1 << BH_Delay | 1 << BH_NILFS_Volatile |
+                                1 << BH_NILFS_Redirected);
+
+                       set_mask_bits(&bh->b_state, clear_bits, set_bits);
                        if (bh == segbuf->sb_super_root) {
                                if (bh->b_page != bd_page) {
                                        end_page_writeback(bd_page);