linux-kernel - [PATCH 2/4] erofs: fold in should_decompress

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Date:   Fri, 18 Sep 2020 21:54:34 +0800
From:   Gao Xiang <hsiangkao@...hat.com>
To:     linux-erofs@...ts.ozlabs.org, Chao Yu <yuchao0@...wei.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, Chao Yu <chao@...nel.org>,
        Gao Xiang <hsiangkao@...hat.com>
Subject: [PATCH 2/4] erofs: fold in should_decompress_synchronously()

should_decompress_synchronously() has one single condition
for now, so fold it instead.

Signed-off-by: Gao Xiang <hsiangkao@...hat.com>
---
 fs/erofs/zdata.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index df6fa691097f..d483e9fee41c 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -1297,24 +1297,18 @@ static int z_erofs_readpage(struct file *file, struct page *page)
 	return err;
 }
 
-static bool should_decompress_synchronously(struct erofs_sb_info *sbi,
-					    unsigned int nr)
-{
-	return nr <= sbi->ctx.max_sync_decompress_pages;
-}
-
 static void z_erofs_readahead(struct readahead_control *rac)
 {
 	struct inode *const inode = rac->mapping->host;
 	struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
 
-	bool sync = should_decompress_synchronously(sbi, readahead_count(rac));
+	unsigned int nr_pages = readahead_count(rac);
+	bool sync = (nr_pages <= sbi->ctx.max_sync_decompress_pages);
 	struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
 	struct page *page, *head = NULL;
 	LIST_HEAD(pagepool);
 
-	trace_erofs_readpages(inode, readahead_index(rac),
-			readahead_count(rac), false);
+	trace_erofs_readpages(inode, readahead_index(rac), nr_pages, false);
 
 	f.headoffset = readahead_pos(rac);
 
-- 
2.18.1