提交 81ee1bad 编写于 作者: L Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  ext3/4 with synchronous writes gets wedged by Postfix
  Fix nobh_truncate_page() to not pass stack garbage to get_block()
......@@ -2736,6 +2736,8 @@ int nobh_truncate_page(struct address_space *mapping,
pos += blocksize;
}
map_bh.b_size = blocksize;
map_bh.b_state = 0;
err = get_block(inode, iblock, &map_bh, 0);
if (err)
goto unlock;
......
......@@ -1053,13 +1053,22 @@ int insert_inode_locked(struct inode *inode)
struct super_block *sb = inode->i_sb;
ino_t ino = inode->i_ino;
struct hlist_head *head = inode_hashtable + hash(sb, ino);
struct inode *old;
inode->i_state |= I_LOCK|I_NEW;
while (1) {
struct hlist_node *node;
struct inode *old = NULL;
spin_lock(&inode_lock);
old = find_inode_fast(sb, head, ino);
if (likely(!old)) {
hlist_for_each_entry(old, node, head, i_hash) {
if (old->i_ino != ino)
continue;
if (old->i_sb != sb)
continue;
if (old->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE))
continue;
break;
}
if (likely(!node)) {
hlist_add_head(&inode->i_hash, head);
spin_unlock(&inode_lock);
return 0;
......@@ -1081,14 +1090,24 @@ int insert_inode_locked4(struct inode *inode, unsigned long hashval,
{
struct super_block *sb = inode->i_sb;
struct hlist_head *head = inode_hashtable + hash(sb, hashval);
struct inode *old;
inode->i_state |= I_LOCK|I_NEW;
while (1) {
struct hlist_node *node;
struct inode *old = NULL;
spin_lock(&inode_lock);
old = find_inode(sb, head, test, data);
if (likely(!old)) {
hlist_for_each_entry(old, node, head, i_hash) {
if (old->i_sb != sb)
continue;
if (!test(old, data))
continue;
if (old->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE))
continue;
break;
}
if (likely(!node)) {
hlist_add_head(&inode->i_hash, head);
spin_unlock(&inode_lock);
return 0;
......
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