[PATCH 38/58] staging/lustre/ptlrpc: move sptlrpc procfs entry to debugfs

[green@xxxxxxxxxxxxxx]

From: Dmitry Eremin <dmiter4ever@xxxxxxxxx>

We might want eventuall split it into a bunch of
single-value sysfs entries, I imagine, but there is no urgent need now.

Signed-off-by: Dmitry Eremin <dmiter4ever@xxxxxxxxx>
Signed-off-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
---
 drivers/staging/lustre/lustre/include/lustre_sec.h |  8 -------
 drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c   | 27 ++++++++++------------
 2 files changed, 12 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/lustre_sec.h b/drivers/staging/lustre/lustre/include/lustre_sec.h
index dff70a5..707ff69 100644
--- a/drivers/staging/lustre/lustre/include/lustre_sec.h
+++ b/drivers/staging/lustre/lustre/include/lustre_sec.h
@@ -1061,15 +1061,7 @@ const char *sec2target_str(struct ptlrpc_sec *sec);
 /*
  * lprocfs
  */
-#if defined (CONFIG_PROC_FS)
-struct proc_dir_entry;
-extern struct proc_dir_entry *sptlrpc_proc_root;
 int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev);
-#else
-#define sptlrpc_proc_root	NULL
-static inline int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
-{ return 0; }
-#endif
 
 /*
  * server side
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c
index 0d08145..549515d 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c
@@ -51,10 +51,6 @@
 
 #include "ptlrpc_internal.h"
 
-
-struct proc_dir_entry *sptlrpc_proc_root = NULL;
-EXPORT_SYMBOL(sptlrpc_proc_root);
-
 static char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
 {
 	buf[0] = '\0';
@@ -174,17 +170,20 @@ static struct lprocfs_vars sptlrpc_lprocfs_vars[] = {
 	{ NULL }
 };
 
+static struct dentry *sptlrpc_debugfs_dir;
+
 int sptlrpc_lproc_init(void)
 {
-	int     rc;
+	int rc;
 
-	LASSERT(sptlrpc_proc_root == NULL);
+	LASSERT(sptlrpc_debugfs_dir == NULL);
 
-	sptlrpc_proc_root = lprocfs_register("sptlrpc", proc_lustre_root,
-					     sptlrpc_lprocfs_vars, NULL);
-	if (IS_ERR(sptlrpc_proc_root)) {
-		rc = PTR_ERR(sptlrpc_proc_root);
-		sptlrpc_proc_root = NULL;
+	sptlrpc_debugfs_dir = ldebugfs_register("sptlrpc", debugfs_lustre_root,
+						sptlrpc_lprocfs_vars, NULL);
+	if (IS_ERR_OR_NULL(sptlrpc_debugfs_dir)) {
+		rc = sptlrpc_debugfs_dir ? PTR_ERR(sptlrpc_debugfs_dir)
+					 : -ENOMEM;
+		sptlrpc_debugfs_dir = NULL;
 		return rc;
 	}
 	return 0;
@@ -192,8 +191,6 @@ int sptlrpc_lproc_init(void)
 
 void sptlrpc_lproc_fini(void)
 {
-	if (sptlrpc_proc_root) {
-		lprocfs_remove(&sptlrpc_proc_root);
-		sptlrpc_proc_root = NULL;
-	}
+	if (!IS_ERR_OR_NULL(sptlrpc_debugfs_dir))
+		ldebugfs_remove(&sptlrpc_debugfs_dir);
 }
-- 
2.1.0

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