linux-kernel - [RFC] ext4: remove unused page

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Date:	Wed,  4 Nov 2015 16:03:39 +0800
From:	yalin wang <yalin.wang2010@...il.com>
To:	tytso@....edu, adilger.kernel@...ger.ca,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	yalin wang <yalin.wang2010@...il.com>
Subject: [RFC] ext4: remove unused page_idx

Signed-off-by: yalin wang <yalin.wang2010@...il.com>
---
 fs/ext4/readpage.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

ignore my previous patch

diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index 5dc5e95..2cc2760 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -135,7 +135,6 @@ int ext4_mpage_readpages(struct address_space *mapping,
 			 unsigned nr_pages)
 {
 	struct bio *bio = NULL;
-	unsigned page_idx;
 	sector_t last_block_in_bio = 0;
 
 	struct inode *inode = mapping->host;
@@ -157,7 +156,7 @@ int ext4_mpage_readpages(struct address_space *mapping,
 	map.m_len = 0;
 	map.m_flags = 0;
 
-	for (page_idx = 0; nr_pages; page_idx++, nr_pages--) {
+	for (; nr_pages; nr_pages--) {
 		int fully_mapped = 1;
 		unsigned first_hole = blocks_per_page;
 
-- 
1.9.1

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