GFS2: change gfs2_quota_scan into a shrinker
Deallocation of gfs2_quota_data objects now happens on-demand through a
shrinker instead of routinely deallocating through the quotad daemon.
Signed-off-by: Abhijith Das <adas@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index 7cacfde..86fe067 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -23,6 +23,12 @@
#include "sys.h"
#include "util.h"
#include "glock.h"
+#include "quota.h"
+
+static struct shrinker qd_shrinker = {
+ .shrink = gfs2_shrink_qd_memory,
+ .seeks = DEFAULT_SEEKS,
+};
static void gfs2_init_inode_once(void *foo)
{
@@ -100,6 +106,8 @@
if (!gfs2_quotad_cachep)
goto fail;
+ register_shrinker(&qd_shrinker);
+
error = register_filesystem(&gfs2_fs_type);
if (error)
goto fail;
@@ -117,6 +125,7 @@
fail_unregister:
unregister_filesystem(&gfs2_fs_type);
fail:
+ unregister_shrinker(&qd_shrinker);
gfs2_glock_exit();
if (gfs2_quotad_cachep)
@@ -145,6 +154,7 @@
static void __exit exit_gfs2_fs(void)
{
+ unregister_shrinker(&qd_shrinker);
gfs2_glock_exit();
gfs2_unregister_debugfs();
unregister_filesystem(&gfs2_fs_type);