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>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 608849d00021..592aa5040d29 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -283,7 +283,9 @@ enum {
 
 struct gfs2_quota_data {
         struct list_head qd_list;
-        unsigned int qd_count;
+        struct list_head qd_reclaim;
+
+        atomic_t qd_count;
 
         u32 qd_id;
         unsigned long qd_flags;         /* QDF_... */
@@ -303,7 +305,6 @@ struct gfs2_quota_data {
 
         u64 qd_sync_gen;
         unsigned long qd_last_warn;
-        unsigned long qd_last_touched;
 };
 
 struct gfs2_trans {
@@ -406,7 +407,6 @@ struct gfs2_tune {
         unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */
         unsigned int gt_quota_scale_num; /* Numerator */
         unsigned int gt_quota_scale_den; /* Denominator */
-        unsigned int gt_quota_cache_secs;
         unsigned int gt_quota_quantum; /* Secs between syncs to quota file */
         unsigned int gt_new_files_jdata;
         unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */