提交 089eed29 编写于 作者: L Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  writeback: always use sb->s_bdi for writeback purposes
......@@ -72,22 +72,11 @@ int writeback_in_progress(struct backing_dev_info *bdi)
static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info;
/*
* For inodes on standard filesystems, we use superblock's bdi. For
* inodes on virtual filesystems, we want to use inode mapping's bdi
* because they can possibly point to something useful (think about
* block_dev filesystem).
*/
if (sb->s_bdi && sb->s_bdi != &noop_backing_dev_info) {
/* Some device inodes could play dirty tricks. Catch them... */
WARN(bdi != sb->s_bdi && bdi_cap_writeback_dirty(bdi),
"Dirtiable inode bdi %s != sb bdi %s\n",
bdi->name, sb->s_bdi->name);
return sb->s_bdi;
}
return bdi;
if (strcmp(sb->s_type->name, "bdev") == 0)
return inode->i_mapping->backing_dev_info;
return sb->s_bdi;
}
static void bdi_queue_work(struct backing_dev_info *bdi,
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册