Message ID | 20191029135107.GH26530@ZenIV.linux.org.uk (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | ceph_fill_trace(): add missing check in d_revalidate snapdir handling | expand |
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 9f135624ae47..c07407586ce8 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1434,6 +1434,7 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req) dout(" final dn %p\n", dn); } else if ((req->r_op == CEPH_MDS_OP_LOOKUPSNAP || req->r_op == CEPH_MDS_OP_MKSNAP) && + test_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags) && !test_bit(CEPH_MDS_R_ABORTED, &req->r_req_flags)) { struct inode *dir = req->r_parent;
we should not play with dcache without parent locked... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>