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Message-ID: <20191104114036.9893-3-cgxu519@mykernel.net> Date: Mon, 4 Nov 2019 19:40:34 +0800 From: Chengguang Xu <cgxu519@...ernel.net> To: jack@...e.com Cc: linux-ext4@...r.kernel.org, Chengguang Xu <cgxu519@...ernel.net> Subject: [PATCH 3/5] ext2: skip unnecessary operations in ext2_try_to_allocate() Move 'repeat' tag to proper place so that we can skip unnecessary operations in ext2_try_to_allocate(). Signed-off-by: Chengguang Xu <cgxu519@...ernel.net> --- fs/ext2/balloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index 994a1fd18e93..a0c22e166682 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -696,7 +696,6 @@ 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) @@ -713,6 +712,7 @@ ext2_try_to_allocate(struct super_block *sb, int group, } start = grp_goal; +repeat: if (ext2_set_bit_atomic(sb_bgl_lock(EXT2_SB(sb), group), grp_goal, bitmap_bh->b_data)) { /* -- 2.20.1
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