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-rw-r--r--fs/ext4/ext4.h2
-rw-r--r--fs/ext4/extents_status.c23
2 files changed, 14 insertions, 11 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 9418359b1d9d..8eeff770992c 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1653,7 +1653,7 @@ struct ext4_sb_info {
__u32 s_csum_seed;
/* Reclaim extents from extent status tree */
- struct shrinker s_es_shrinker;
+ struct shrinker *s_es_shrinker;
struct list_head s_es_list; /* List of inodes with reclaimable extents */
long s_es_nr_inode;
struct ext4_es_stats s_es_stats;
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 6f7de14c0fa8..deec7d1f4e50 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -1606,7 +1606,7 @@ static unsigned long ext4_es_count(struct shrinker *shrink,
unsigned long nr;
struct ext4_sb_info *sbi;
- sbi = container_of(shrink, struct ext4_sb_info, s_es_shrinker);
+ sbi = shrink->private_data;
nr = percpu_counter_read_positive(&sbi->s_es_stats.es_stats_shk_cnt);
trace_ext4_es_shrink_count(sbi->s_sb, sc->nr_to_scan, nr);
return nr;
@@ -1615,8 +1615,7 @@ static unsigned long ext4_es_count(struct shrinker *shrink,
static unsigned long ext4_es_scan(struct shrinker *shrink,
struct shrink_control *sc)
{
- struct ext4_sb_info *sbi = container_of(shrink,
- struct ext4_sb_info, s_es_shrinker);
+ struct ext4_sb_info *sbi = shrink->private_data;
int nr_to_scan = sc->nr_to_scan;
int ret, nr_shrunk;
@@ -1700,13 +1699,17 @@ int ext4_es_register_shrinker(struct ext4_sb_info *sbi)
if (err)
goto err3;
- sbi->s_es_shrinker.scan_objects = ext4_es_scan;
- sbi->s_es_shrinker.count_objects = ext4_es_count;
- sbi->s_es_shrinker.seeks = DEFAULT_SEEKS;
- err = register_shrinker(&sbi->s_es_shrinker, "ext4-es:%s",
- sbi->s_sb->s_id);
- if (err)
+ sbi->s_es_shrinker = shrinker_alloc(0, "ext4-es:%s", sbi->s_sb->s_id);
+ if (!sbi->s_es_shrinker) {
+ err = -ENOMEM;
goto err4;
+ }
+
+ sbi->s_es_shrinker->scan_objects = ext4_es_scan;
+ sbi->s_es_shrinker->count_objects = ext4_es_count;
+ sbi->s_es_shrinker->private_data = sbi;
+
+ shrinker_register(sbi->s_es_shrinker);
return 0;
err4:
@@ -1726,7 +1729,7 @@ void ext4_es_unregister_shrinker(struct ext4_sb_info *sbi)
percpu_counter_destroy(&sbi->s_es_stats.es_stats_cache_misses);
percpu_counter_destroy(&sbi->s_es_stats.es_stats_all_cnt);
percpu_counter_destroy(&sbi->s_es_stats.es_stats_shk_cnt);
- unregister_shrinker(&sbi->s_es_shrinker);
+ shrinker_free(sbi->s_es_shrinker);
}
/*