From 797074e44d78835adbde2ca527718b0e50226b95 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Wed, 6 Feb 2008 01:37:08 -0800 Subject: [PATCH] fs: use list_for_each_entry_reverse and kill sb_entry Use list_for_each_entry_reverse for super_blocks list and remove unused sb_entry macro. Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/fs-writeback.c | 7 ++----- include/linux/fs.h | 1 - 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 0b30640..db80ce9 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -515,8 +515,7 @@ writeback_inodes(struct writeback_control *wbc) might_sleep(); spin_lock(&sb_lock); restart: - sb = sb_entry(super_blocks.prev); - for (; sb != sb_entry(&super_blocks); sb = sb_entry(sb->s_list.prev)) { + list_for_each_entry_reverse(sb, &super_blocks, s_list) { if (sb_has_dirty_inodes(sb)) { /* we're making our own get_super here */ sb->s_count++; @@ -581,10 +580,8 @@ static void set_sb_syncing(int val) { struct super_block *sb; spin_lock(&sb_lock); - sb = sb_entry(super_blocks.prev); - for (; sb != sb_entry(&super_blocks); sb = sb_entry(sb->s_list.prev)) { + list_for_each_entry_reverse(sb, &super_blocks, s_list) sb->s_syncing = val; - } spin_unlock(&sb_lock); } diff --git a/include/linux/fs.h b/include/linux/fs.h index e260d9a..19aab50 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -977,7 +977,6 @@ extern int send_sigurg(struct fown_struct *fown); extern struct list_head super_blocks; extern spinlock_t sb_lock; -#define sb_entry(list) list_entry((list), struct super_block, s_list) #define S_BIAS (1<<30) struct super_block { struct list_head s_list; /* Keep this first */ -- 2.7.4