From: Venky Shankar <vshankar@redhat.com>
To: jlayton@redhat.com, pdonnell@redhat.com
Cc: ceph-devel@vger.kernel.org, Venky Shankar <vshankar@redhat.com>
Subject: [PATCH v2 2/2] ceph: add debugfs entries for mount syntax support
Date: Wed, 25 Aug 2021 11:20:35 +0530 [thread overview]
Message-ID: <20210825055035.306043-3-vshankar@redhat.com> (raw)
In-Reply-To: <20210825055035.306043-1-vshankar@redhat.com>
Signed-off-by: Venky Shankar <vshankar@redhat.com>
---
fs/ceph/debugfs.c | 36 ++++++++++++++++++++++++++++++++++++
fs/ceph/super.c | 3 +++
fs/ceph/super.h | 2 ++
3 files changed, 41 insertions(+)
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 66989c880adb..f9ff70704423 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -22,6 +22,14 @@
#include "mds_client.h"
#include "metric.h"
+#define CLIENT_FEATURES_DIR_NAME "client_features"
+#define MOUNT_DEVICE_V1_SUPPORT_FILE_NAME "v1_mount_syntax"
+#define MOUNT_DEVICE_V2_SUPPORT_FILE_NAME "v2_mount_syntax"
+
+static struct dentry *ceph_client_features_dir;
+static struct dentry *ceph_mount_device_v1_support;
+static struct dentry *ceph_mount_device_v2_support;
+
static int mdsmap_show(struct seq_file *s, void *p)
{
int i;
@@ -416,6 +424,26 @@ void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
&status_fops);
}
+void ceph_fs_debugfs_client_features_init(void)
+{
+ ceph_client_features_dir = debugfs_create_dir(CLIENT_FEATURES_DIR_NAME,
+ ceph_debugfs_dir);
+ ceph_mount_device_v1_support = debugfs_create_file(MOUNT_DEVICE_V1_SUPPORT_FILE_NAME,
+ 0400,
+ ceph_client_features_dir,
+ NULL, NULL);
+ ceph_mount_device_v2_support = debugfs_create_file(MOUNT_DEVICE_V2_SUPPORT_FILE_NAME,
+ 0400,
+ ceph_client_features_dir,
+ NULL, NULL);
+}
+
+void ceph_fs_debugfs_client_features_cleanup(void)
+{
+ debugfs_remove(ceph_mount_device_v1_support);
+ debugfs_remove(ceph_mount_device_v2_support);
+ debugfs_remove(ceph_client_features_dir);
+}
#else /* CONFIG_DEBUG_FS */
@@ -427,4 +455,12 @@ void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
{
}
+void ceph_fs_debugfs_client_features_init(void)
+{
+}
+
+void ceph_fs_debugfs_client_features_cleanup(void)
+{
+}
+
#endif /* CONFIG_DEBUG_FS */
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 609ffc8c2d78..21d59deb042d 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1404,6 +1404,8 @@ static int __init init_ceph(void)
if (ret)
goto out_caches;
+ ceph_fs_debugfs_client_features_init();
+
pr_info("loaded (mds proto %d)\n", CEPH_MDSC_PROTOCOL);
return 0;
@@ -1417,6 +1419,7 @@ static int __init init_ceph(void)
static void __exit exit_ceph(void)
{
dout("exit_ceph\n");
+ ceph_fs_debugfs_client_features_cleanup();
unregister_filesystem(&ceph_fs_type);
destroy_caches();
}
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 8f71184b7c85..7e7b140cab5d 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -1231,6 +1231,8 @@ extern int ceph_locks_to_pagelist(struct ceph_filelock *flocks,
/* debugfs.c */
extern void ceph_fs_debugfs_init(struct ceph_fs_client *client);
extern void ceph_fs_debugfs_cleanup(struct ceph_fs_client *client);
+extern void ceph_fs_debugfs_client_features_init(void);
+extern void ceph_fs_debugfs_client_features_cleanup(void);
/* quota.c */
static inline bool __ceph_has_any_quota(struct ceph_inode_info *ci)
--
2.27.0
next prev parent reply other threads:[~2021-08-25 5:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-25 5:50 [PATCH v2 0/2] ceph: add debugfs entries signifying new mount syntax support Venky Shankar
2021-08-25 5:50 ` [PATCH v2 1/2] libceph: export ceph_debugfs_dir for use in ceph.ko Venky Shankar
2021-08-25 5:50 ` Venky Shankar [this message]
2021-09-21 14:01 ` [PATCH v2 2/2] ceph: add debugfs entries for mount syntax support Patrick Donnelly
2021-08-25 17:27 ` [PATCH v2 0/2] ceph: add debugfs entries signifying new " Jeff Layton
2021-08-26 13:17 ` Venky Shankar
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