block: kill off REQ_UNPLUG

With the plugging now being explicitly controlled by the
submitter, callers need not pass down unplugging hints
to the block layer. If they want to unplug, it's because they
manually plugged on their own - in which case, they should just
unplug at will.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

3 files changed, 9 insertions, 9 deletions

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index eb01f3575e10..7f1c11202342 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -121,7 +121,7 @@ __acquires(&sdp->sd_log_lock)
                         lock_buffer(bh);
                         if (test_clear_buffer_dirty(bh)) {
                                 bh->b_end_io = end_buffer_write_sync;
-                                submit_bh(WRITE_SYNC_PLUG, bh);
+                                submit_bh(WRITE_SYNC, bh);
                         } else {
                                 unlock_buffer(bh);
                                 brelse(bh);
@@ -647,7 +647,7 @@ static void gfs2_ordered_write(struct gfs2_sbd *sdp)
                 lock_buffer(bh);
                 if (buffer_mapped(bh) && test_clear_buffer_dirty(bh)) {
                         bh->b_end_io = end_buffer_write_sync;
-                        submit_bh(WRITE_SYNC_PLUG, bh);
+                        submit_bh(WRITE_SYNC, bh);
                 } else {
                         unlock_buffer(bh);
                         brelse(bh);
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index bf33f822058d..48b545a1979a 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -200,7 +200,7 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
                 }
 
                 gfs2_log_unlock(sdp);
-                submit_bh(WRITE_SYNC_PLUG, bh);
+                submit_bh(WRITE_SYNC, bh);
                 gfs2_log_lock(sdp);
 
                 n = 0;
@@ -210,7 +210,7 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
                         gfs2_log_unlock(sdp);
                         lock_buffer(bd2->bd_bh);
                         bh = gfs2_log_fake_buf(sdp, bd2->bd_bh);
-                        submit_bh(WRITE_SYNC_PLUG, bh);
+                        submit_bh(WRITE_SYNC, bh);
                         gfs2_log_lock(sdp);
                         if (++n >= num)
                                 break;
@@ -352,7 +352,7 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
                 sdp->sd_log_num_revoke--;
 
                 if (offset + sizeof(u64) > sdp->sd_sb.sb_bsize) {
-                        submit_bh(WRITE_SYNC_PLUG, bh);
+                        submit_bh(WRITE_SYNC, bh);
 
                         bh = gfs2_log_get_buf(sdp);
                         mh = (struct gfs2_meta_header *)bh->b_data;
@@ -369,7 +369,7 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
         }
         gfs2_assert_withdraw(sdp, !sdp->sd_log_num_revoke);
 
-        submit_bh(WRITE_SYNC_PLUG, bh);
+        submit_bh(WRITE_SYNC, bh);
 }
 
 static void revoke_lo_before_scan(struct gfs2_jdesc *jd,
@@ -571,7 +571,7 @@ static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
         ptr = bh_log_ptr(bh);
         
         get_bh(bh);
-        submit_bh(WRITE_SYNC_PLUG, bh);
+        submit_bh(WRITE_SYNC, bh);
         gfs2_log_lock(sdp);
         while(!list_empty(list)) {
                 bd = list_entry(list->next, struct gfs2_bufdata, bd_le.le_list);
@@ -597,7 +597,7 @@ static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
                 } else {
                         bh1 = gfs2_log_fake_buf(sdp, bd->bd_bh);
                 }
-                submit_bh(WRITE_SYNC_PLUG, bh1);
+                submit_bh(WRITE_SYNC, bh1);
                 gfs2_log_lock(sdp);
                 ptr += 2;
         }
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index a566331db4e1..867b713cba92 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -37,7 +37,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
         struct buffer_head *bh, *head;
         int nr_underway = 0;
         int write_op = REQ_META |
-                (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC_PLUG : WRITE);
+                (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE);
 
         BUG_ON(!PageLocked(page));
         BUG_ON(!page_has_buffers(page));