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-rw-r--r--fs/ceph/super.c56
1 files changed, 26 insertions, 30 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index a63997b8bcff..e463ebd69a9c 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -345,6 +345,11 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt,
fsopt->rsize = CEPH_RSIZE_DEFAULT;
fsopt->rasize = CEPH_RASIZE_DEFAULT;
fsopt->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);
+ if (!fsopt->snapdir_name) {
+ err = -ENOMEM;
+ goto out;
+ }
+
fsopt->caps_wanted_delay_min = CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT;
fsopt->caps_wanted_delay_max = CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT;
fsopt->cap_release_safety = CEPH_CAP_RELEASE_SAFETY_DEFAULT;
@@ -406,31 +411,20 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
{
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;
-
- if (opt->flags & CEPH_OPT_FSID)
- seq_printf(m, ",fsid=%pU", &opt->fsid);
- if (opt->flags & CEPH_OPT_NOSHARE)
- seq_puts(m, ",noshare");
- if (opt->flags & CEPH_OPT_NOCRC)
- seq_puts(m, ",nocrc");
- if (opt->flags & CEPH_OPT_NOMSGAUTH)
- seq_puts(m, ",nocephx_require_signatures");
- if ((opt->flags & CEPH_OPT_TCP_NODELAY) == 0)
- seq_puts(m, ",notcp_nodelay");
-
- if (opt->name)
- seq_printf(m, ",name=%s", opt->name);
- if (opt->key)
- seq_puts(m, ",secret=<hidden>");
-
- if (opt->mount_timeout != CEPH_MOUNT_TIMEOUT_DEFAULT)
- seq_printf(m, ",mount_timeout=%d", opt->mount_timeout);
- if (opt->osd_idle_ttl != CEPH_OSD_IDLE_TTL_DEFAULT)
- seq_printf(m, ",osd_idle_ttl=%d", opt->osd_idle_ttl);
- if (opt->osd_keepalive_timeout != CEPH_OSD_KEEPALIVE_DEFAULT)
- seq_printf(m, ",osdkeepalivetimeout=%d",
- opt->osd_keepalive_timeout);
+ size_t pos;
+ int ret;
+
+ /* a comma between MNT/MS and client options */
+ seq_putc(m, ',');
+ pos = m->count;
+
+ ret = ceph_print_client_options(m, fsc->client);
+ if (ret)
+ return ret;
+
+ /* retract our comma if no client options */
+ if (m->count == pos)
+ m->count--;
if (fsopt->flags & CEPH_MOUNT_OPT_DIRSTAT)
seq_puts(m, ",dirstat");
@@ -438,14 +432,10 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
seq_puts(m, ",norbytes");
if (fsopt->flags & CEPH_MOUNT_OPT_NOASYNCREADDIR)
seq_puts(m, ",noasyncreaddir");
- if (fsopt->flags & CEPH_MOUNT_OPT_DCACHE)
- seq_puts(m, ",dcache");
- else
+ if ((fsopt->flags & CEPH_MOUNT_OPT_DCACHE) == 0)
seq_puts(m, ",nodcache");
if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE)
seq_puts(m, ",fsc");
- else
- seq_puts(m, ",nofsc");
#ifdef CONFIG_CEPH_FS_POSIX_ACL
if (fsopt->sb_flags & MS_POSIXACL)
@@ -477,6 +467,7 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
seq_printf(m, ",readdir_max_bytes=%d", fsopt->max_readdir_bytes);
if (strcmp(fsopt->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
seq_printf(m, ",snapdirname=%s", fsopt->snapdir_name);
+
return 0;
}
@@ -730,6 +721,11 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc,
if (IS_ERR(req))
return ERR_CAST(req);
req->r_path1 = kstrdup(path, GFP_NOFS);
+ if (!req->r_path1) {
+ root = ERR_PTR(-ENOMEM);
+ goto out;
+ }
+
req->r_ino1.ino = CEPH_INO_ROOT;
req->r_ino1.snap = CEPH_NOSNAP;
req->r_started = started;