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-rw-r--r--fs/buffer.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index e1632abb4ca9..dc991510bb06 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -621,7 +621,7 @@ EXPORT_SYMBOL(mark_buffer_dirty_inode);
* If warn is true, then emit a warning if the page is not uptodate and has
* not been truncated.
*
- * The caller must hold mem_cgroup_begin_page_stat() lock.
+ * The caller must hold lock_page_memcg().
*/
static void __set_page_dirty(struct page *page, struct address_space *mapping,
struct mem_cgroup *memcg, int warn)
@@ -683,17 +683,17 @@ int __set_page_dirty_buffers(struct page *page)
} while (bh != head);
}
/*
- * Use mem_group_begin_page_stat() to keep PageDirty synchronized with
- * per-memcg dirty page counters.
+ * Lock out page->mem_cgroup migration to keep PageDirty
+ * synchronized with per-memcg dirty page counters.
*/
- memcg = mem_cgroup_begin_page_stat(page);
+ memcg = lock_page_memcg(page);
newly_dirty = !TestSetPageDirty(page);
spin_unlock(&mapping->private_lock);
if (newly_dirty)
__set_page_dirty(page, mapping, memcg, 1);
- mem_cgroup_end_page_stat(memcg);
+ unlock_page_memcg(memcg);
if (newly_dirty)
__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
@@ -1169,13 +1169,13 @@ void mark_buffer_dirty(struct buffer_head *bh)
struct address_space *mapping = NULL;
struct mem_cgroup *memcg;
- memcg = mem_cgroup_begin_page_stat(page);
+ memcg = lock_page_memcg(page);
if (!TestSetPageDirty(page)) {
mapping = page_mapping(page);
if (mapping)
__set_page_dirty(page, mapping, memcg, 0);
}
- mem_cgroup_end_page_stat(memcg);
+ unlock_page_memcg(memcg);
if (mapping)
__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
}