diff options
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 14 |
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); } |