Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 13 insertions, 15 deletions

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index d9c60b84949a..4cfce1ee31fa 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -87,7 +87,7 @@ static int ceph_set_page_dirty(struct page *page)
 
 	/* dirty the head */
 	spin_lock(&inode->i_lock);
-	if (ci->i_wrbuffer_ref_head == 0)
+	if (ci->i_head_snapc == NULL)
 		ci->i_head_snapc = ceph_get_snap_context(snapc);
 	++ci->i_wrbuffer_ref_head;
 	if (ci->i_wrbuffer_ref == 0)
@@ -105,13 +105,7 @@ static int ceph_set_page_dirty(struct page *page)
 	spin_lock_irq(&mapping->tree_lock);
 	if (page->mapping) {	/* Race with truncate? */
 		WARN_ON_ONCE(!PageUptodate(page));
-
-		if (mapping_cap_account_dirty(mapping)) {
-			__inc_zone_page_state(page, NR_FILE_DIRTY);
-			__inc_bdi_stat(mapping->backing_dev_info,
-					BDI_RECLAIMABLE);
-			task_io_account_write(PAGE_CACHE_SIZE);
-		}
+		account_page_dirtied(page, page->mapping);
 		radix_tree_tag_set(&mapping->page_tree,
 				page_index(page), PAGECACHE_TAG_DIRTY);
 
@@ -309,7 +303,8 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
 			zero_user_segment(page, s, PAGE_CACHE_SIZE);
 		}
 
-		if (add_to_page_cache_lru(page, mapping, page->index, GFP_NOFS)) {
+		if (add_to_page_cache_lru(page, mapping, page->index,
+					  GFP_NOFS)) {
 			page_cache_release(page);
 			dout("readpages %p add_to_page_cache failed %p\n",
 			     inode, page);
@@ -351,7 +346,7 @@ static struct ceph_snap_context *get_oldest_context(struct inode *inode,
 			break;
 		}
 	}
-	if (!snapc && ci->i_head_snapc) {
+	if (!snapc && ci->i_wrbuffer_ref_head) {
 		snapc = ceph_get_snap_context(ci->i_head_snapc);
 		dout(" head snapc %p has %d dirty pages\n",
 		     snapc, ci->i_wrbuffer_ref_head);
@@ -552,7 +547,7 @@ static void writepages_finish(struct ceph_osd_request *req,
 		 * page truncation thread, possibly losing some data that
 		 * raced its way in
 		 */
-		if ((issued & CEPH_CAP_FILE_CACHE) == 0)
+		if ((issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0)
 			generic_error_remove_page(inode->i_mapping, page);
 
 		unlock_page(page);
@@ -797,9 +792,12 @@ get_more_pages:
 			dout("%p will write page %p idx %lu\n",
 			     inode, page, page->index);
 
-			writeback_stat = atomic_long_inc_return(&client->writeback_count);
-			if (writeback_stat > CONGESTION_ON_THRESH(client->mount_args->congestion_kb)) {
-				set_bdi_congested(&client->backing_dev_info, BLK_RW_ASYNC);
+			writeback_stat =
+			       atomic_long_inc_return(&client->writeback_count);
+			if (writeback_stat > CONGESTION_ON_THRESH(
+				    client->mount_args->congestion_kb)) {
+				set_bdi_congested(&client->backing_dev_info,
+						  BLK_RW_ASYNC);
 			}
 
 			set_page_writeback(page);
@@ -1036,7 +1034,7 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
 		*pagep = page;
 
 		dout("write_begin file %p inode %p page %p %d~%d\n", file,
-	     	inode, page, (int)pos, (int)len);
+		     inode, page, (int)pos, (int)len);
 
 		r = ceph_update_writeable_page(file, pos, len, page);
 	} while (r == -EAGAIN);