ext4: use percpu counter for extent cache count

[cascardo/linux.git] / fs / ext4 / ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 96c1093..4a01ba3 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1268,7 +1268,6 @@ struct ext4_sb_info {
        atomic_t s_mb_preallocated;
        atomic_t s_mb_discarded;
        atomic_t s_lock_busy;
-       atomic_t s_extent_cache_cnt;
 
        /* locality groups */
        struct ext4_locality_group __percpu *s_locality_groups;
@@ -1310,6 +1309,7 @@ struct ext4_sb_info {
        /* Reclaim extents from extent status tree */
        struct shrinker s_es_shrinker;
        struct list_head s_es_lru;
+       struct percpu_counter s_extent_cache_cnt;
        spinlock_t s_es_lru_lock ____cacheline_aligned_in_smp;
 };