ceph: shut down access to inode when async create fails

[platform/kernel/linux-rpi.git] / fs / ceph / addr.c

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index b429204..b39aebc 100644 (file)
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -724,7 +724,7 @@ static int ceph_writepages_start(struct address_space *mapping,
             wbc->sync_mode == WB_SYNC_NONE ? "NONE" :
             (wbc->sync_mode == WB_SYNC_ALL ? "ALL" : "HOLD"));
 
-       if (READ_ONCE(fsc->mount_state) >= CEPH_MOUNT_SHUTDOWN) {
+       if (ceph_inode_is_shutdown(inode)) {
                if (ci->i_wrbuffer_ref > 0) {
                        pr_warn_ratelimited(
                                "writepage_start %p %lld forced umount\n",
@@ -1145,12 +1145,12 @@ static struct ceph_snap_context *
 ceph_find_incompatible(struct page *page)
 {
        struct inode *inode = page->mapping->host;
-       struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
        struct ceph_inode_info *ci = ceph_inode(inode);
 
-       if (READ_ONCE(fsc->mount_state) >= CEPH_MOUNT_SHUTDOWN) {
-               dout(" page %p forced umount\n", page);
-               return ERR_PTR(-EIO);
+       if (ceph_inode_is_shutdown(inode)) {
+               dout(" page %p %llx:%llx is shutdown\n", page,
+                    ceph_vinop(inode));
+               return ERR_PTR(-ESTALE);
        }
 
        for (;;) {
@@ -1345,6 +1345,9 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf)
        sigset_t oldset;
        vm_fault_t ret = VM_FAULT_SIGBUS;
 
+       if (ceph_inode_is_shutdown(inode))
+               return ret;
+
        ceph_block_sigs(&oldset);
 
        dout("filemap_fault %p %llx.%llx %llu trying to get caps\n",
@@ -1436,6 +1439,9 @@ static vm_fault_t ceph_page_mkwrite(struct vm_fault *vmf)
        sigset_t oldset;
        vm_fault_t ret = VM_FAULT_SIGBUS;
 
+       if (ceph_inode_is_shutdown(inode))
+               return ret;
+
        prealloc_cf = ceph_alloc_cap_flush();
        if (!prealloc_cf)
                return VM_FAULT_OOM;