ceph: shut down access to inode when async create fails

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

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index b18dd40..91173d3 100644 (file)
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -525,6 +525,7 @@ static void ceph_async_create_cb(struct ceph_mds_client *mdsc,
 
        if (result) {
                struct dentry *dentry = req->r_dentry;
+               struct inode *inode = d_inode(dentry);
                int pathlen = 0;
                u64 base = 0;
                char *path = ceph_mdsc_build_path(req->r_dentry, &pathlen,
@@ -534,7 +535,8 @@ static void ceph_async_create_cb(struct ceph_mds_client *mdsc,
                if (!d_unhashed(dentry))
                        d_drop(dentry);
 
-               /* FIXME: start returning I/O errors on all accesses? */
+               ceph_inode_shutdown(inode);
+
                pr_warn("ceph: async create failure path=(%llx)%s result=%d!\n",
                        base, IS_ERR(path) ? "<<bad>>" : path, result);
                ceph_mdsc_free_path(path, pathlen);
@@ -1526,6 +1528,9 @@ again:
        dout("aio_read %p %llx.%llx %llu~%u trying to get caps on %p\n",
             inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len, inode);
 
+       if (ceph_inode_is_shutdown(inode))
+               return -ESTALE;
+
        if (direct_lock)
                ceph_start_io_direct(inode);
        else
@@ -1678,6 +1683,9 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
        loff_t pos;
        loff_t limit = max(i_size_read(inode), fsc->max_file_size);
 
+       if (ceph_inode_is_shutdown(inode))
+               return -ESTALE;
+
        if (ceph_snap(inode) != CEPH_NOSNAP)
                return -EROFS;