1 files changed, 12 insertions, 4 deletions

diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 7619d6a02388..befb2fc5b027 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -512,10 +512,6 @@ typedef struct log {
 
         /* The following block of fields are changed while holding grant_lock */
         spinlock_t              l_grant_lock ____cacheline_aligned_in_smp;
-        struct list_head        l_reserveq;
-        struct list_head        l_writeq;
-        atomic64_t                      l_grant_reserve_head;
-        atomic64_t                      l_grant_write_head;
 
         /*
          * l_last_sync_lsn and l_tail_lsn are atomics so they can be set and
@@ -528,6 +524,18 @@ typedef struct log {
         /* lsn of 1st LR with unflushed * buffers */
         atomic64_t              l_tail_lsn ____cacheline_aligned_in_smp;
 
+        /*
+         * ticket grant locks, queues and accounting have their own cachlines
+         * as these are quite hot and can be operated on concurrently.
+         */
+        spinlock_t              l_grant_reserve_lock ____cacheline_aligned_in_smp;
+        struct list_head        l_reserveq;
+        atomic64_t              l_grant_reserve_head;
+
+        spinlock_t              l_grant_write_lock ____cacheline_aligned_in_smp;
+        struct list_head        l_writeq;
+        atomic64_t              l_grant_write_head;
+
         /* The following field are used for debugging; need to hold icloglock */
 #ifdef DEBUG
         char                    *l_iclog_bak[XLOG_MAX_ICLOGS];