From 6754af64641e8224c281ee5714e012e3ed41f701 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 22 Mar 2010 20:09:33 -0400 Subject: Convert simple loops over superblocks to list_for_each_entry_safe Signed-off-by: Al Viro --- fs/buffer.c | 7 ++----- fs/drop_caches.c | 8 +++----- fs/quota/quota.c | 8 +++----- fs/super.c | 8 +++----- 4 files changed, 11 insertions(+), 20 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 021ec4da993..ded29b0fdac 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -562,12 +562,11 @@ repeat: static void do_thaw_all(struct work_struct *work) { - struct super_block *sb; + struct super_block *sb, *n; char b[BDEVNAME_SIZE]; spin_lock(&sb_lock); -restart: - list_for_each_entry(sb, &super_blocks, s_list) { + list_for_each_entry_safe(sb, n, &super_blocks, s_list) { if (list_empty(&sb->s_instances)) continue; sb->s_count++; @@ -578,8 +577,6 @@ restart: bdevname(sb->s_bdev, b)); up_read(&sb->s_umount); spin_lock(&sb_lock); - if (__put_super_and_need_restart(sb)) - goto restart; } spin_unlock(&sb_lock); kfree(work); diff --git a/fs/drop_caches.c b/fs/drop_caches.c index 9cd4e4a70f5..42728a1f795 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -35,11 +35,10 @@ static void drop_pagecache_sb(struct super_block *sb) static void drop_pagecache(void) { - struct super_block *sb; + struct super_block *sb, *n; spin_lock(&sb_lock); -restart: - list_for_each_entry(sb, &super_blocks, s_list) { + list_for_each_entry_safe(sb, n, &super_blocks, s_list) { if (list_empty(&sb->s_instances)) continue; sb->s_count++; @@ -49,8 +48,7 @@ restart: drop_pagecache_sb(sb); up_read(&sb->s_umount); spin_lock(&sb_lock); - if (__put_super_and_need_restart(sb)) - goto restart; + __put_super(sb); } spin_unlock(&sb_lock); } diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 4669e7e639b..2196f8b07c1 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -47,7 +47,7 @@ static int check_quotactl_permission(struct super_block *sb, int type, int cmd, static int quota_sync_all(int type) { - struct super_block *sb; + struct super_block *sb, *n; int ret; if (type >= MAXQUOTAS) @@ -57,8 +57,7 @@ static int quota_sync_all(int type) return ret; spin_lock(&sb_lock); -restart: - list_for_each_entry(sb, &super_blocks, s_list) { + list_for_each_entry_safe(sb, n, &super_blocks, s_list) { if (list_empty(&sb->s_instances)) continue; if (!sb->s_qcop || !sb->s_qcop->quota_sync) @@ -71,8 +70,7 @@ restart: sb->s_qcop->quota_sync(sb, type, 1); up_read(&sb->s_umount); spin_lock(&sb_lock); - if (__put_super_and_need_restart(sb)) - goto restart; + __put_super(sb); } spin_unlock(&sb_lock); diff --git a/fs/super.c b/fs/super.c index ba99524998f..ccb2b5fa89b 100644 --- a/fs/super.c +++ b/fs/super.c @@ -395,11 +395,10 @@ EXPORT_SYMBOL(drop_super); */ void sync_supers(void) { - struct super_block *sb; + struct super_block *sb, *n; spin_lock(&sb_lock); -restart: - list_for_each_entry(sb, &super_blocks, s_list) { + list_for_each_entry_safe(sb, n, &super_blocks, s_list) { if (list_empty(&sb->s_instances)) continue; if (sb->s_op->write_super && sb->s_dirt) { @@ -412,8 +411,7 @@ restart: up_read(&sb->s_umount); spin_lock(&sb_lock); - if (__put_super_and_need_restart(sb)) - goto restart; + __put_super(sb); } } spin_unlock(&sb_lock); -- cgit v1.2.3