btrfs: remove the wait argument to btrfs_start_ordered_extent

Given that wait is always set to 1, so remove the argument.
Last use of wait with 0 was in 0c304304feab ("Btrfs: remove
csum_bytes_left").

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 11 insertions, 14 deletions

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 57d8c72737e1..6c24b69e2d0a 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -616,7 +616,7 @@ static void btrfs_run_ordered_extent_work(struct btrfs_work *work)
 	struct btrfs_ordered_extent *ordered;
 
 	ordered = container_of(work, struct btrfs_ordered_extent, flush_work);
-	btrfs_start_ordered_extent(ordered, 1);
+	btrfs_start_ordered_extent(ordered);
 	complete(&ordered->completion);
 }
 
@@ -716,13 +716,12 @@ void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,
 }
 
 /*
- * Used to start IO or wait for a given ordered extent to finish.
+ * Start IO and wait for a given ordered extent to finish.
  *
- * If wait is one, this effectively waits on page writeback for all the pages
- * in the extent, and it waits on the io completion code to insert
- * metadata into the btree corresponding to the extent
+ * Wait on page writeback for all the pages in the extent and the IO completion
+ * code to insert metadata into the btree corresponding to the extent.
  */
-void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait)
+void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry)
 {
 	u64 start = entry->file_offset;
 	u64 end = start + entry->num_bytes - 1;
@@ -744,12 +743,10 @@ void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait)
 	 */
 	if (!test_bit(BTRFS_ORDERED_DIRECT, &entry->flags))
 		filemap_fdatawrite_range(inode->vfs_inode.i_mapping, start, end);
-	if (wait) {
-		if (!freespace_inode)
-			btrfs_might_wait_for_event(inode->root->fs_info, btrfs_ordered_extent);
-		wait_event(entry->wait, test_bit(BTRFS_ORDERED_COMPLETE,
-						 &entry->flags));
-	}
+
+	if (!freespace_inode)
+		btrfs_might_wait_for_event(inode->root->fs_info, btrfs_ordered_extent);
+	wait_event(entry->wait, test_bit(BTRFS_ORDERED_COMPLETE, &entry->flags));
 }
 
 /*
@@ -800,7 +797,7 @@ int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
 			btrfs_put_ordered_extent(ordered);
 			break;
 		}
-		btrfs_start_ordered_extent(ordered, 1);
+		btrfs_start_ordered_extent(ordered);
 		end = ordered->file_offset;
 		/*
 		 * If the ordered extent had an error save the error but don't
@@ -1061,7 +1058,7 @@ void btrfs_lock_and_flush_ordered_range(struct btrfs_inode *inode, u64 start,
 			break;
 		}
 		unlock_extent(&inode->io_tree, start, end, cachedp);
-		btrfs_start_ordered_extent(ordered, 1);
+		btrfs_start_ordered_extent(ordered);
 		btrfs_put_ordered_extent(ordered);
 	}
 }