Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux

[firefly-linux-kernel-4.4.55.git] / fs / xfs / xfs_log_priv.h

diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 2d3b6a498d632752a95109b2d699fe7de36afec7..2152900b79d4059d943ca6cdc94d4d4e502b62cc 100644 (file)
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -239,8 +239,8 @@ typedef struct xlog_res {
 } xlog_res_t;
 
 typedef struct xlog_ticket {
-       wait_queue_head_t  t_wait;       /* ticket wait queue */
        struct list_head   t_queue;      /* reserve/write queue */
+       struct task_struct *t_task;      /* task that owns this ticket */
        xlog_tid_t         t_tid;        /* transaction identifier       : 4  */
        atomic_t           t_ref;        /* ticket reference count       : 4  */
        int                t_curr_res;   /* current reservation in bytes : 4  */
@@ -469,6 +469,16 @@ struct xfs_cil {
 #define XLOG_CIL_SPACE_LIMIT(log)      (log->l_logsize >> 3)
 #define XLOG_CIL_HARD_SPACE_LIMIT(log) (3 * (log->l_logsize >> 4))
 
+/*
+ * ticket grant locks, queues and accounting have their own cachlines
+ * as these are quite hot and can be operated on concurrently.
+ */
+struct xlog_grant_head {
+       spinlock_t              lock ____cacheline_aligned_in_smp;
+       struct list_head        waiters;
+       atomic64_t              grant;
+};
+
 /*
  * The reservation head lsn is not made up of a cycle number and block number.
  * Instead, it uses a cycle number and byte number.  Logs don't expect to
@@ -520,17 +530,8 @@ 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;
+       struct xlog_grant_head  l_reserve_head;
+       struct xlog_grant_head  l_write_head;
 
        /* The following field are used for debugging; need to hold icloglock */
 #ifdef DEBUG
@@ -545,14 +546,13 @@ typedef struct log {
 #define XLOG_FORCED_SHUTDOWN(log)      ((log)->l_flags & XLOG_IO_ERROR)
 
 /* common routines */
-extern xfs_lsn_t xlog_assign_tail_lsn(struct xfs_mount *mp);
 extern int      xlog_recover(xlog_t *log);
 extern int      xlog_recover_finish(xlog_t *log);
 extern void     xlog_pack_data(xlog_t *log, xlog_in_core_t *iclog, int);
 
 extern kmem_zone_t *xfs_log_ticket_zone;
 struct xlog_ticket *xlog_ticket_alloc(struct log *log, int unit_bytes,
-                               int count, char client, uint xflags,
+                               int count, char client, bool permanent,
                                int alloc_flags);