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-rw-r--r--fs/ceph/addr.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 561438b6a50..38b8ab55492 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -24,7 +24,7 @@
* context needs to be associated with the osd write during writeback.
*
* Similarly, struct ceph_inode_info maintains a set of counters to
- * count dirty pages on the inode. In the absense of snapshots,
+ * count dirty pages on the inode. In the absence of snapshots,
* i_wrbuffer_ref == i_wrbuffer_ref_head == the dirty page count.
*
* When a snapshot is taken (that is, when the client receives
@@ -92,7 +92,7 @@ static int ceph_set_page_dirty(struct page *page)
ci->i_head_snapc = ceph_get_snap_context(snapc);
++ci->i_wrbuffer_ref_head;
if (ci->i_wrbuffer_ref == 0)
- igrab(inode);
+ ihold(inode);
++ci->i_wrbuffer_ref;
dout("%p set_page_dirty %p idx %lu head %d/%d -> %d/%d "
"snapc %p seq %lld (%d snaps)\n",
@@ -775,6 +775,13 @@ get_more_pages:
ci->i_truncate_seq,
ci->i_truncate_size,
&inode->i_mtime, true, 1, 0);
+
+ if (!req) {
+ rc = -ENOMEM;
+ unlock_page(page);
+ break;
+ }
+
max_pages = req->r_num_pages;
alloc_page_vec(fsc, req);