diff options
Diffstat (limited to 'fs/ceph/super.c')
-rw-r--r-- | fs/ceph/super.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c index b48f15f..48f61a1 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -341,11 +341,11 @@ out: /** * ceph_show_options - Show mount options in /proc/mounts * @m: seq_file to write to - * @mnt: mount descriptor + * @root: root of that (sub)tree */ -static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt) +static int ceph_show_options(struct seq_file *m, struct dentry *root) { - struct ceph_fs_client *fsc = ceph_sb_to_client(mnt->mnt_sb); + struct ceph_fs_client *fsc = ceph_sb_to_client(root->d_sb); struct ceph_mount_options *fsopt = fsc->mount_options; struct ceph_options *opt = fsc->client->options; @@ -636,19 +636,26 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc, req->r_num_caps = 2; err = ceph_mdsc_do_request(mdsc, NULL, req); if (err == 0) { + struct inode *inode = req->r_target_inode; + req->r_target_inode = NULL; dout("open_root_inode success\n"); - if (ceph_ino(req->r_target_inode) == CEPH_INO_ROOT && + if (ceph_ino(inode) == CEPH_INO_ROOT && fsc->sb->s_root == NULL) { - root = d_alloc_root(req->r_target_inode); + root = d_alloc_root(inode); + if (!root) { + iput(inode); + root = ERR_PTR(-ENOMEM); + goto out; + } ceph_init_dentry(root); } else { - root = d_obtain_alias(req->r_target_inode); + root = d_obtain_alias(inode); } - req->r_target_inode = NULL; dout("open_root_inode success, root dentry is %p\n", root); } else { root = ERR_PTR(err); } +out: ceph_mdsc_put_request(req); return root; } |