Use list_for_each_entry_reverse for super_blocks list and remove
unused sb_entry macro.

Signed-off-by: Akinobu Mita <[EMAIL PROTECTED]>

---
 fs/fs-writeback.c  |    7 ++-----
 include/linux/fs.h |    1 -
 2 files changed, 2 insertions(+), 6 deletions(-)

Index: 2.6-mm/fs/fs-writeback.c
===================================================================
--- 2.6-mm.orig/fs/fs-writeback.c
+++ 2.6-mm/fs/fs-writeback.c
@@ -528,8 +528,7 @@ int writeback_inodes(struct writeback_co
        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++;
@@ -593,10 +592,8 @@ 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);
 }
 
Index: 2.6-mm/include/linux/fs.h
===================================================================
--- 2.6-mm.orig/include/linux/fs.h
+++ 2.6-mm/include/linux/fs.h
@@ -984,7 +984,6 @@ extern int send_sigurg(struct fown_struc
 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 */
-
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