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Diffstat (limited to 'fs/ceph/debugfs.c')
-rw-r--r--fs/ceph/debugfs.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index f2f5332ddbb..6fd8b20a861 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -171,6 +171,8 @@ static int mdsc_show(struct seq_file *s, void *p)
} else if (req->r_dentry) {
path = ceph_mdsc_build_path(req->r_dentry, &pathlen,
&pathbase, 0);
+ if (IS_ERR(path))
+ path = NULL;
spin_lock(&req->r_dentry->d_lock);
seq_printf(s, " #%llx/%.*s (%s)",
ceph_ino(req->r_dentry->d_parent->d_inode),
@@ -187,6 +189,8 @@ static int mdsc_show(struct seq_file *s, void *p)
if (req->r_old_dentry) {
path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,
&pathbase, 0);
+ if (IS_ERR(path))
+ path = NULL;
spin_lock(&req->r_old_dentry->d_lock);
seq_printf(s, " #%llx/%.*s (%s)",
ceph_ino(req->r_old_dentry->d_parent->d_inode),
@@ -291,7 +295,7 @@ static int dentry_lru_show(struct seq_file *s, void *ptr)
return 0;
}
-#define DEFINE_SHOW_FUNC(name) \
+#define DEFINE_SHOW_FUNC(name) \
static int name##_open(struct inode *inode, struct file *file) \
{ \
struct seq_file *sf; \
@@ -361,8 +365,8 @@ int ceph_debugfs_client_init(struct ceph_client *client)
int ret = 0;
char name[80];
- snprintf(name, sizeof(name), FSID_FORMAT ".client%lld",
- PR_FSID(&client->fsid), client->monc.auth->global_id);
+ snprintf(name, sizeof(name), "%pU.client%lld", &client->fsid,
+ client->monc.auth->global_id);
client->debugfs_dir = debugfs_create_dir(name, ceph_debugfs_dir);
if (!client->debugfs_dir)
@@ -432,11 +436,12 @@ int ceph_debugfs_client_init(struct ceph_client *client)
if (!client->debugfs_caps)
goto out;
- client->debugfs_congestion_kb = debugfs_create_file("writeback_congestion_kb",
- 0600,
- client->debugfs_dir,
- client,
- &congestion_kb_fops);
+ client->debugfs_congestion_kb =
+ debugfs_create_file("writeback_congestion_kb",
+ 0600,
+ client->debugfs_dir,
+ client,
+ &congestion_kb_fops);
if (!client->debugfs_congestion_kb)
goto out;
@@ -466,7 +471,7 @@ void ceph_debugfs_client_cleanup(struct ceph_client *client)
debugfs_remove(client->debugfs_dir);
}
-#else // CONFIG_DEBUG_FS
+#else /* CONFIG_DEBUG_FS */
int __init ceph_debugfs_init(void)
{
@@ -486,4 +491,4 @@ void ceph_debugfs_client_cleanup(struct ceph_client *client)
{
}
-#endif // CONFIG_DEBUG_FS
+#endif /* CONFIG_DEBUG_FS */