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OpenCloudOS-Kernel
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ceph: include link to bdi in debugfs 

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2009-12-15 14:44:32 -08:00
parent e2885f06ce
commit 06edf046dd
2 changed files with 8 additions and 0 deletions
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7
fs/ceph/debugfs.c
View File

@ -1,5 +1,6 @@
#include "ceph_debug.h"
#include <linux/device.h>
#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/debugfs.h>
@ -24,6 +25,7 @@
* .../monc - mon client state
* .../dentry_lru - dump contents of dentry lru
* .../caps - expose cap (reservation) stats
* .../bdi - symlink to ../../bdi/something
*/
static struct dentry *ceph_debugfs_dir;
@ -407,6 +409,10 @@ int ceph_debugfs_client_init(struct ceph_client *client)
if (!client->debugfs_caps)
goto out;
sprintf(name, "../../bdi/%s", dev_name(client->sb->s_bdi->dev));
client->debugfs_bdi = debugfs_create_symlink("bdi", client->debugfs_dir,
name);
return 0;
out:
@ -416,6 +422,7 @@ out:
void ceph_debugfs_client_cleanup(struct ceph_client *client)
{
debugfs_remove(client->debugfs_bdi);
debugfs_remove(client->debugfs_caps);
debugfs_remove(client->debugfs_dentry_lru);
debugfs_remove(client->debugfs_osdmap);

1
fs/ceph/super.h
View File

@ -143,6 +143,7 @@ struct ceph_client {
struct dentry *debugfs_monmap;
struct dentry *debugfs_mdsmap, *debugfs_osdmap;
struct dentry *debugfs_dir, *debugfs_dentry_lru, *debugfs_caps;
struct dentry *debugfs_bdi;
#endif
};