ceph: wait for async creating inode before requesting new max size

ceph_check_caps() can't request new max size for async creating inode. This may make ceph_get_caps() loop busily until getting reply of the async create. Also, wait for async creating reply before calling ceph_renew_caps(). Signed-off-by: "Yan, Zheng" <[email protected]> Reviewed-by: Jeff Layton <[email protected]> Signed-off-by: Ilya Dryomov <[email protected]>
tobetter · Mar 30, 2020 · 9bccb76 · 9bccb76
1 parent 0aa971b
commit 9bccb76
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
@@ -2833,6 +2833,11 @@ int ceph_get_caps(struct file *filp, int need, int want,
 		}
 
 		if (ret < 0) {
+			if (ret == -EFBIG || ret == -ESTALE) {
+				int ret2 = ceph_wait_on_async_create(inode);
+				if (ret2 < 0)
+					return ret2;
+			}
 			if (ret == -EFBIG) {
 				check_max_size(inode, endoff);
 				continue;