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authorIlya Dryomov <idryomov@gmail.com>2015-03-25 21:07:41 +0300
committerIlya Dryomov <idryomov@gmail.com>2015-04-20 18:55:39 +0300
commit5cf7bd30120ead3db43ef9074be38018d9acf22f (patch)
tree30206e8a84384c413eee7a825a5238391193f0bd /net/ceph
parentff40f9ae95917b72b6acb6057471c99054b6ee24 (diff)
libceph: expose client options through debugfs
Add a client_options attribute for showing libceph options. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/debugfs.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/net/ceph/debugfs.c b/net/ceph/debugfs.c
index 14d9995097cc..593dc2eabcc8 100644
--- a/net/ceph/debugfs.c
+++ b/net/ceph/debugfs.c
@@ -22,6 +22,7 @@
* .../monmap - current monmap
* .../osdc - active osd requests
* .../monc - mon client state
+ * .../client_options - libceph-only (i.e. not rbd or cephfs) options
* .../dentry_lru - dump contents of dentry lru
* .../caps - expose cap (reservation) stats
* .../bdi - symlink to ../../bdi/something
@@ -177,10 +178,24 @@ static int osdc_show(struct seq_file *s, void *pp)
return 0;
}
+static int client_options_show(struct seq_file *s, void *p)
+{
+ struct ceph_client *client = s->private;
+ int ret;
+
+ ret = ceph_print_client_options(s, client);
+ if (ret)
+ return ret;
+
+ seq_putc(s, '\n');
+ return 0;
+}
+
CEPH_DEFINE_SHOW_FUNC(monmap_show)
CEPH_DEFINE_SHOW_FUNC(osdmap_show)
CEPH_DEFINE_SHOW_FUNC(monc_show)
CEPH_DEFINE_SHOW_FUNC(osdc_show)
+CEPH_DEFINE_SHOW_FUNC(client_options_show)
int ceph_debugfs_init(void)
{
@@ -242,6 +257,14 @@ int ceph_debugfs_client_init(struct ceph_client *client)
if (!client->debugfs_osdmap)
goto out;
+ client->debugfs_options = debugfs_create_file("client_options",
+ 0600,
+ client->debugfs_dir,
+ client,
+ &client_options_show_fops);
+ if (!client->debugfs_options)
+ goto out;
+
return 0;
out:
@@ -252,6 +275,7 @@ out:
void ceph_debugfs_client_cleanup(struct ceph_client *client)
{
dout("ceph_debugfs_client_cleanup %p\n", client);
+ debugfs_remove(client->debugfs_options);
debugfs_remove(client->debugfs_osdmap);
debugfs_remove(client->debugfs_monmap);
debugfs_remove(client->osdc.debugfs_file);

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