ext2: skip unnecessary operations in ext2_try_to_allocate()
authorChengguang Xu <cgxu519@mykernel.net>
Mon, 4 Nov 2019 11:40:34 +0000 (19:40 +0800)
committerJan Kara <jack@suse.cz>
Thu, 7 Nov 2019 11:35:27 +0000 (12:35 +0100)
Move 'repeat' tag to proper place so that we can
skip unnecessary operations in ext2_try_to_allocate().

Link: https://lore.kernel.org/r/20191104114036.9893-3-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/ext2/balloc.c

index b7a4d74dfde7539fbc364f7b51f206591e1d46ce..f3ff05edaf8cce13038849a105cf99839c304654 100644 (file)
@@ -684,7 +684,6 @@ ext2_try_to_allocate(struct super_block *sb, int group,
        }
        BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb));
 
-repeat:
        if (grp_goal < 0) {
                grp_goal = find_next_usable_block(start, bitmap_bh, end);
                if (grp_goal < 0)
@@ -701,6 +700,7 @@ repeat:
        }
        start = grp_goal;
 
+repeat:
        if (ext2_set_bit_atomic(sb_bgl_lock(EXT2_SB(sb), group), grp_goal,
                                                        bitmap_bh->b_data)) {
                /*