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Diffstat (limited to 'drivers/md/dm-core.h')
-rw-r--r--drivers/md/dm-core.h22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index 8d3d11887343..e127cbcaf33d 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -232,18 +232,36 @@ struct dm_io {
struct mapped_device *md;
struct bio *orig_bio;
blk_status_t status;
- bool start_io_acct:1;
- int was_accounted;
+ unsigned short flags;
unsigned long start_time;
void *data;
struct hlist_node node;
struct task_struct *map_task;
+ spinlock_t startio_lock;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
/* last member of dm_target_io is 'struct bio' */
struct dm_target_io tio;
};
+/*
+ * dm_io flags
+ */
+enum {
+ DM_IO_START_ACCT,
+ DM_IO_ACCOUNTED
+};
+
+static inline bool dm_io_flagged(struct dm_io *io, unsigned int bit)
+{
+ return (io->flags & (1U << bit)) != 0;
+}
+
+static inline void dm_io_set_flag(struct dm_io *io, unsigned int bit)
+{
+ io->flags |= (1U << bit);
+}
+
static inline void dm_io_inc_pending(struct dm_io *io)
{
atomic_inc(&io->io_count);