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blk-mq: remove blk-mq-tag.h

Browse Source 
blk-mq-tag.h is always included by blk-mq.h, and causes recursive
inclusion hell with further changes.  Just merge it into blk-mq.h
instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230413064057.707578-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-04-13 08:40:39 +02:00 committed by Jens Axboe
parent 50947d7fe9
commit bebe84ebee
13 changed files with 60 additions and 85 deletions
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1
block/bfq-iosched.c
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@ -129,7 +129,6 @@
#include "elevator.h"
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-tag.h"
#include "blk-mq-sched.h"
#include "bfq-iosched.h"
#include "blk-wbt.h"

1
block/blk-flush.c
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@ -73,7 +73,6 @@
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-tag.h"
#include "blk-mq-sched.h"
/* PREFLUSH/FUA sequences */

1
block/blk-mq-debugfs.c
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@ -12,7 +12,6 @@
#include "blk-mq.h"
#include "blk-mq-debugfs.h"
#include "blk-mq-sched.h"
#include "blk-mq-tag.h"
#include "blk-rq-qos.h"
static int queue_poll_stat_show(void *data, struct seq_file *m)

1
block/blk-mq-sched.c
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@ -15,7 +15,6 @@
#include "blk-mq.h"
#include "blk-mq-debugfs.h"
#include "blk-mq-sched.h"
#include "blk-mq-tag.h"
#include "blk-wbt.h"
/*

1
block/blk-mq-sched.h
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@ -4,7 +4,6 @@
#include "elevator.h"
#include "blk-mq.h"
#include "blk-mq-tag.h"
#define MAX_SCHED_RQ (16 * BLKDEV_DEFAULT_RQ)

1
block/blk-mq-sysfs.c
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@ -13,7 +13,6 @@
#include <linux/blk-mq.h>
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-tag.h"
static void blk_mq_sysfs_release(struct kobject *kobj)
{

1
block/blk-mq-tag.c
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@ -14,7 +14,6 @@
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-sched.h"
#include "blk-mq-tag.h"
/*
* Recalculate wakeup batch when tag is shared by hctx.

73
block/blk-mq-tag.h
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@ -1,73 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef INT_BLK_MQ_TAG_H
#define INT_BLK_MQ_TAG_H
struct blk_mq_alloc_data;
extern struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags,
unsigned int reserved_tags,
int node, int alloc_policy);
extern void blk_mq_free_tags(struct blk_mq_tags *tags);
extern int blk_mq_init_bitmaps(struct sbitmap_queue *bitmap_tags,
struct sbitmap_queue *breserved_tags,
unsigned int queue_depth,
unsigned int reserved,
int node, int alloc_policy);
extern unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data);
unsigned long blk_mq_get_tags(struct blk_mq_alloc_data *data, int nr_tags,
unsigned int *offset);
extern void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx,
unsigned int tag);
void blk_mq_put_tags(struct blk_mq_tags *tags, int *tag_array, int nr_tags);
extern int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
struct blk_mq_tags **tags,
unsigned int depth, bool can_grow);
extern void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set,
unsigned int size);
extern void blk_mq_tag_update_sched_shared_tags(struct request_queue *q);
extern void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool);
void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_tag_iter_fn *fn,
void *priv);
void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn,
void *priv);
static inline struct sbq_wait_state *bt_wait_ptr(struct sbitmap_queue *bt,
struct blk_mq_hw_ctx *hctx)
{
if (!hctx)
return &bt->ws[0];
return sbq_wait_ptr(bt, &hctx->wait_index);
}
enum {
BLK_MQ_NO_TAG = -1U,
BLK_MQ_TAG_MIN = 1,
BLK_MQ_TAG_MAX = BLK_MQ_NO_TAG - 1,
};
extern void __blk_mq_tag_busy(struct blk_mq_hw_ctx *);
extern void __blk_mq_tag_idle(struct blk_mq_hw_ctx *);
static inline void blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx)
{
if (hctx->flags & BLK_MQ_F_TAG_QUEUE_SHARED)
__blk_mq_tag_busy(hctx);
}
static inline void blk_mq_tag_idle(struct blk_mq_hw_ctx *hctx)
{
if (!(hctx->flags & BLK_MQ_F_TAG_QUEUE_SHARED))
return;
__blk_mq_tag_idle(hctx);
}
static inline bool blk_mq_tag_is_reserved(struct blk_mq_tags *tags,
unsigned int tag)
{
return tag < tags->nr_reserved_tags;
}
#endif

1
block/blk-mq.c
View File

@ -37,7 +37,6 @@
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-debugfs.h"
#include "blk-mq-tag.h"
#include "blk-pm.h"
#include "blk-stat.h"
#include "blk-mq-sched.h"

61
block/blk-mq.h
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@ -3,7 +3,6 @@
#define INT_BLK_MQ_H
#include "blk-stat.h"
#include "blk-mq-tag.h"
struct blk_mq_tag_set;
@ -30,6 +29,12 @@ struct blk_mq_ctx {
struct kobject kobj;
} ____cacheline_aligned_in_smp;
enum {
BLK_MQ_NO_TAG = -1U,
BLK_MQ_TAG_MIN = 1,
BLK_MQ_TAG_MAX = BLK_MQ_NO_TAG - 1,
};
void blk_mq_submit_bio(struct bio *bio);
int blk_mq_poll(struct request_queue *q, blk_qc_t cookie, struct io_comp_batch *iob,
unsigned int flags);
@ -164,6 +169,60 @@ struct blk_mq_alloc_data {
struct blk_mq_hw_ctx *hctx;
};
struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags,
unsigned int reserved_tags, int node, int alloc_policy);
void blk_mq_free_tags(struct blk_mq_tags *tags);
int blk_mq_init_bitmaps(struct sbitmap_queue *bitmap_tags,
struct sbitmap_queue *breserved_tags, unsigned int queue_depth,
unsigned int reserved, int node, int alloc_policy);
unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data);
unsigned long blk_mq_get_tags(struct blk_mq_alloc_data *data, int nr_tags,
unsigned int *offset);
void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx,
unsigned int tag);
void blk_mq_put_tags(struct blk_mq_tags *tags, int *tag_array, int nr_tags);
int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
struct blk_mq_tags **tags, unsigned int depth, bool can_grow);
void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set,
unsigned int size);
void blk_mq_tag_update_sched_shared_tags(struct request_queue *q);
void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool);
void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_tag_iter_fn *fn,
void *priv);
void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn,
void *priv);
static inline struct sbq_wait_state *bt_wait_ptr(struct sbitmap_queue *bt,
struct blk_mq_hw_ctx *hctx)
{
if (!hctx)
return &bt->ws[0];
return sbq_wait_ptr(bt, &hctx->wait_index);
}
void __blk_mq_tag_busy(struct blk_mq_hw_ctx *);
void __blk_mq_tag_idle(struct blk_mq_hw_ctx *);
static inline void blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx)
{
if (hctx->flags & BLK_MQ_F_TAG_QUEUE_SHARED)
__blk_mq_tag_busy(hctx);
}
static inline void blk_mq_tag_idle(struct blk_mq_hw_ctx *hctx)
{
if (hctx->flags & BLK_MQ_F_TAG_QUEUE_SHARED)
__blk_mq_tag_idle(hctx);
}
static inline bool blk_mq_tag_is_reserved(struct blk_mq_tags *tags,
unsigned int tag)
{
return tag < tags->nr_reserved_tags;
}
static inline bool blk_mq_is_shared_tags(unsigned int flags)
{
return flags & BLK_MQ_F_TAG_HCTX_SHARED;

1
block/blk-pm.c
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@ -5,7 +5,6 @@
#include <linux/blkdev.h>
#include <linux/pm_runtime.h>
#include "blk-mq.h"
#include "blk-mq-tag.h"
/**
* blk_pm_runtime_init - Block layer runtime PM initialization routine

1
block/kyber-iosched.c
View File

@ -19,7 +19,6 @@
#include "blk-mq.h"
#include "blk-mq-debugfs.h"
#include "blk-mq-sched.h"
#include "blk-mq-tag.h"
#define CREATE_TRACE_POINTS
#include <trace/events/kyber.h>

1
block/mq-deadline.c
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@ -23,7 +23,6 @@
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-debugfs.h"
#include "blk-mq-tag.h"
#include "blk-mq-sched.h"
/*