fs: have ll_rw_block users pass in op and flags separately

This has ll_rw_block users pass in the operation and flags separately,
so ll_rw_block can setup the bio op and bi_rw flags on the bio that
is submitted.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 6945e71..bc2dde2 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -870,7 +870,7 @@
 		 */
 		if (buffer_dirty(bh) && unlikely(bh->b_page->mapping == NULL)) {
 			spin_unlock(lock);
-			ll_rw_block(WRITE, 1, &bh);
+			ll_rw_block(REQ_OP_WRITE, 0, 1, &bh);
 			spin_lock(lock);
 		}
 		put_bh(bh);
@@ -1057,7 +1057,7 @@
 		if (tbh) {
 			if (buffer_dirty(tbh)) {
 		            depth = reiserfs_write_unlock_nested(s);
-			    ll_rw_block(WRITE, 1, &tbh);
+			    ll_rw_block(REQ_OP_WRITE, 0, 1, &tbh);
 			    reiserfs_write_lock_nested(s, depth);
 			}
 			put_bh(tbh) ;
@@ -2244,7 +2244,7 @@
 		}
 	}
 	/* read in the log blocks, memcpy to the corresponding real block */
-	ll_rw_block(READ, get_desc_trans_len(desc), log_blocks);
+	ll_rw_block(REQ_OP_READ, 0, get_desc_trans_len(desc), log_blocks);
 	for (i = 0; i < get_desc_trans_len(desc); i++) {
 
 		wait_on_buffer(log_blocks[i]);
@@ -2346,7 +2346,7 @@
 		} else
 			bhlist[j++] = bh;
 	}
-	ll_rw_block(READ, j, bhlist);
+	ll_rw_block(REQ_OP_READ, 0, j, bhlist);
 	for (i = 1; i < j; i++)
 		brelse(bhlist[i]);
 	bh = bhlist[0];
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 5feacd6..64b29b5 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -551,7 +551,7 @@
 		if (!buffer_uptodate(bh[j])) {
 			if (depth == -1)
 				depth = reiserfs_write_unlock_nested(s);
-			ll_rw_block(READA, 1, bh + j);
+			ll_rw_block(REQ_OP_READ, READA, 1, bh + j);
 		}
 		brelse(bh[j]);
 	}
@@ -660,7 +660,7 @@
 			if (!buffer_uptodate(bh) && depth == -1)
 				depth = reiserfs_write_unlock_nested(sb);
 
-			ll_rw_block(READ, 1, &bh);
+			ll_rw_block(REQ_OP_READ, 0, 1, &bh);
 			wait_on_buffer(bh);
 
 			if (depth != -1)
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index b8f2d1e..9938a51 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1661,7 +1661,7 @@
 /* after journal replay, reread all bitmap and super blocks */
 static int reread_meta_blocks(struct super_block *s)
 {
-	ll_rw_block(READ, 1, &SB_BUFFER_WITH_SB(s));
+	ll_rw_block(REQ_OP_READ, 0, 1, &SB_BUFFER_WITH_SB(s));
 	wait_on_buffer(SB_BUFFER_WITH_SB(s));
 	if (!buffer_uptodate(SB_BUFFER_WITH_SB(s))) {
 		reiserfs_warning(s, "reiserfs-2504", "error reading the super");