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reduce taskq and context-switch cost of zio pipe #7736

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Aug 2, 2018
Merged

reduce taskq and context-switch cost of zio pipe #7736

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4 changes: 2 additions & 2 deletions include/sys/zio.h
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Original file line number Diff line number Diff line change
Expand Up @@ -262,7 +262,7 @@ enum zio_child {
#define ZIO_CHILD_DDT_BIT ZIO_CHILD_BIT(ZIO_CHILD_DDT)
#define ZIO_CHILD_LOGICAL_BIT ZIO_CHILD_BIT(ZIO_CHILD_LOGICAL)
#define ZIO_CHILD_ALL_BITS \
(ZIO_CHILD_VDEV_BIT | ZIO_CHILD_GANG_BIT | \
(ZIO_CHILD_VDEV_BIT | ZIO_CHILD_GANG_BIT | \
ZIO_CHILD_DDT_BIT | ZIO_CHILD_LOGICAL_BIT)

enum zio_wait_type {
Expand Down Expand Up @@ -408,7 +408,7 @@ typedef struct zio_transform {
struct zio_transform *zt_next;
} zio_transform_t;

typedef int zio_pipe_stage_t(zio_t *zio);
typedef zio_t *zio_pipe_stage_t(zio_t *zio);

/*
* The io_reexecute flags are distinct from io_flags because the child must
Expand Down