Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: fix get_ticket_handler() error handling
  ceph: don't BUG on ENOMEM during mds reconnect
  ceph: ceph_mdsc_build_path() returns an ERR_PTR
  ceph: Fix warnings
  ceph: ceph_get_inode() returns an ERR_PTR
  ceph: initialize fields on new dentry_infos
  ceph: maintain i_head_snapc when any caps are dirty, not just for data
  ceph: fix osd request lru adjustment when sending request
  ceph: don't improperly set dir complete when holding EXCL cap
  mm: exporting account_page_dirty
  ceph: direct requests in snapped namespace based on nonsnap parent
  ceph: queue cap snap writeback for realm children on snap update
  ceph: include dirty xattrs state in snapped caps
  ceph: fix xattr cap writeback
  ceph: fix multiple mds session shutdown

1 files changed, 3 insertions, 9 deletions

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 5598a0d0229..4cfce1ee31f 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);
 
@@ -352,7 +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);