Release 4.18 block/blk-mq-debugfs.c

Directory: block
/*
 * Copyright (C) 2017 Facebook
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License v2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/debugfs.h>

#include <linux/blk-mq.h>
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-debugfs.h"
#include "blk-mq-tag.h"



static void print_stat(struct seq_file *m, struct blk_rq_stat *stat)
{
	if (stat->nr_samples) {
		seq_printf(m, "samples=%d, mean=%lld, min=%llu, max=%llu",
			   stat->nr_samples, stat->mean, stat->min, stat->max);
	} else {
		seq_puts(m, "samples=0");
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 57 100.00% 1 100.00%
Total 57 100.00% 1 100.00%



static int queue_poll_stat_show(void *data, struct seq_file *m)
{
	struct request_queue *q = data;
	int bucket;

	for (bucket = 0; bucket < BLK_MQ_POLL_STATS_BKTS/2; bucket++) {
		seq_printf(m, "read  (%d Bytes): ", 1 << (9+bucket));
		print_stat(m, &q->poll_stat[2*bucket]);
		seq_puts(m, "\n");

		seq_printf(m, "write (%d Bytes): ",  1 << (9+bucket));
		print_stat(m, &q->poll_stat[2*bucket+1]);
		seq_puts(m, "\n");
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 121 100.00% 1 100.00%
Total 121 100.00% 1 100.00%



static void *queue_requeue_list_start(struct seq_file *m, loff_t *pos)
	__acquires(&q->requeue_lockContributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%

)
{
	struct request_queue *q = m->private;

	spin_lock_irq(&q->requeue_lock);
	return seq_list_start(&q->requeue_list, *pos);
}



static void *queue_requeue_list_next(struct seq_file *m, void *v, loff_t *pos)
{
	struct request_queue *q = m->private;

	return seq_list_next(v, &q->requeue_list, pos);
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 42 100.00% 1 100.00%
Total 42 100.00% 1 100.00%



static void queue_requeue_list_stop(struct seq_file *m, void *v)
	__releases(&q->requeue_lockContributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 16 100.00% 1 100.00%
Total 16 100.00% 1 100.00%

)
{
	struct request_queue *q = m->private;

	spin_unlock_irq(&q->requeue_lock);
}


static const struct seq_operations queue_requeue_list_seq_ops = {
	.start	= queue_requeue_list_start,
	.next	= queue_requeue_list_next,
	.stop	= queue_requeue_list_stop,
	.show	= blk_mq_debugfs_rq_show,
};



static int blk_flags_show(struct seq_file *m, const unsigned long flags,
			  const char *const *flag_name, int flag_name_count)
{
	bool sep = false;
	int i;

	for (i = 0; i < sizeof(flags) * BITS_PER_BYTE; i++) {
		if (!(flags & BIT(i)))
			continue;
		if (sep)
			seq_puts(m, "|");
		sep = true;
		if (i < flag_name_count && flag_name[i])
			seq_puts(m, flag_name[i]);
		else
			seq_printf(m, "%d", i);
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 115 99.14% 1 50.00%
Omar Sandoval 1 0.86% 1 50.00%
Total 116 100.00% 2 100.00%


#define QUEUE_FLAG_NAME(name) [QUEUE_FLAG_##name] = #name

static const char *const blk_queue_flag_name[] = {
	QUEUE_FLAG_NAME(QUEUED),
	QUEUE_FLAG_NAME(STOPPED),
	QUEUE_FLAG_NAME(DYING),
	QUEUE_FLAG_NAME(BYPASS),
	QUEUE_FLAG_NAME(BIDI),
	QUEUE_FLAG_NAME(NOMERGES),
	QUEUE_FLAG_NAME(SAME_COMP),
	QUEUE_FLAG_NAME(FAIL_IO),
	QUEUE_FLAG_NAME(NONROT),
	QUEUE_FLAG_NAME(IO_STAT),
	QUEUE_FLAG_NAME(DISCARD),
	QUEUE_FLAG_NAME(NOXMERGES),
	QUEUE_FLAG_NAME(ADD_RANDOM),
	QUEUE_FLAG_NAME(SECERASE),
	QUEUE_FLAG_NAME(SAME_FORCE),
	QUEUE_FLAG_NAME(DEAD),
	QUEUE_FLAG_NAME(INIT_DONE),
	QUEUE_FLAG_NAME(NO_SG_MERGE),
	QUEUE_FLAG_NAME(POLL),
	QUEUE_FLAG_NAME(WC),
	QUEUE_FLAG_NAME(FUA),
	QUEUE_FLAG_NAME(FLUSH_NQ),
	QUEUE_FLAG_NAME(DAX),
	QUEUE_FLAG_NAME(STATS),
	QUEUE_FLAG_NAME(POLL_STATS),
	QUEUE_FLAG_NAME(REGISTERED),
	QUEUE_FLAG_NAME(SCSI_PASSTHROUGH),
	QUEUE_FLAG_NAME(QUIESCED),
	QUEUE_FLAG_NAME(PREEMPT_ONLY),
};
#undef QUEUE_FLAG_NAME



static int queue_state_show(void *data, struct seq_file *m)
{
	struct request_queue *q = data;

	blk_flags_show(m, q->queue_flags, blk_queue_flag_name,
		       ARRAY_SIZE(blk_queue_flag_name));
	seq_puts(m, "\n");
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 42 87.50% 2 66.67%
Omar Sandoval 6 12.50% 1 33.33%
Total 48 100.00% 3 100.00%



static ssize_t queue_state_write(void *data, const char __user *buf,
				 size_t count, loff_t *ppos)
{
	struct request_queue *q = data;
	char opbuf[16] = { }, *op;

	/*
         * The "state" attribute is removed after blk_cleanup_queue() has called
         * blk_mq_free_queue(). Return if QUEUE_FLAG_DEAD has been set to avoid
         * triggering a use-after-free.
         */
	if (blk_queue_dead(q))
		return -ENOENT;

	if (count >= sizeof(opbuf)) {
		pr_err("%s: operation too long\n", __func__);
		goto inval;
	}

	if (copy_from_user(opbuf, buf, count))
		return -EFAULT;
	op = strstrip(opbuf);
	if (strcmp(op, "run") == 0) {
		blk_mq_run_hw_queues(q, true);
	} else if (strcmp(op, "start") == 0) {
		blk_mq_start_stopped_hw_queues(q, true);
	} else if (strcmp(op, "kick") == 0) {
		blk_mq_kick_requeue_list(q);
	} else {
		pr_err("%s: unsupported operation '%s'\n", __func__, op);
inval:
		pr_err("%s: use 'run', 'start' or 'kick'\n", __func__);
		return -EINVAL;
	}
	return count;
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 143 77.72% 3 50.00%
Omar Sandoval 41 22.28% 3 50.00%
Total 184 100.00% 6 100.00%



static int queue_write_hint_show(void *data, struct seq_file *m)
{
	struct request_queue *q = data;
	int i;

	for (i = 0; i < BLK_MAX_WRITE_HINTS; i++)
		seq_printf(m, "hint%d: %llu\n", i, q->write_hints[i]);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Jens Axboe 57 100.00% 1 100.00%
Total 57 100.00% 1 100.00%



static ssize_t queue_write_hint_store(void *data, const char __user *buf,
				      size_t count, loff_t *ppos)
{
	struct request_queue *q = data;
	int i;

	for (i = 0; i < BLK_MAX_WRITE_HINTS; i++)
		q->write_hints[i] = 0;

	return count;
}

Contributors
Person Tokens Prop Commits CommitProp
Jens Axboe 58 100.00% 1 100.00%
Total 58 100.00% 1 100.00%



static int queue_zone_wlock_show(void *data, struct seq_file *m)
{
	struct request_queue *q = data;
	unsigned int i;

	if (!q->seq_zones_wlock)
		return 0;

	for (i = 0; i < blk_queue_nr_zones(q); i++)
		if (test_bit(i, q->seq_zones_wlock))
			seq_printf(m, "%u\n", i);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 75 100.00% 1 100.00%
Total 75 100.00% 1 100.00%


static const struct blk_mq_debugfs_attr blk_mq_debugfs_queue_attrs[] = {
	{ "poll_stat", 0400, queue_poll_stat_show },
	{ "requeue_list", 0400, .seq_ops = &queue_requeue_list_seq_ops },
	{ "state", 0600, queue_state_show, queue_state_write },
	{ "write_hints", 0600, queue_write_hint_show, queue_write_hint_store },
	{ "zone_wlock", 0400, queue_zone_wlock_show, NULL },
	{ },
};


#define HCTX_STATE_NAME(name) [BLK_MQ_S_##name] = #name

static const char *const hctx_state_name[] = {
	HCTX_STATE_NAME(STOPPED),
	HCTX_STATE_NAME(TAG_ACTIVE),
	HCTX_STATE_NAME(SCHED_RESTART),
};
#undef HCTX_STATE_NAME



static int hctx_state_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;

	blk_flags_show(m, hctx->state, hctx_state_name,
		       ARRAY_SIZE(hctx_state_name));
	seq_puts(m, "\n");
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 33 68.75% 2 50.00%
Bart Van Assche 15 31.25% 2 50.00%
Total 48 100.00% 4 100.00%


#define BLK_TAG_ALLOC_NAME(name) [BLK_TAG_ALLOC_##name] = #name

static const char *const alloc_policy_name[] = {
	BLK_TAG_ALLOC_NAME(FIFO),
	BLK_TAG_ALLOC_NAME(RR),
};
#undef BLK_TAG_ALLOC_NAME


#define HCTX_FLAG_NAME(name) [ilog2(BLK_MQ_F_##name)] = #name

static const char *const hctx_flag_name[] = {
	HCTX_FLAG_NAME(SHOULD_MERGE),
	HCTX_FLAG_NAME(TAG_SHARED),
	HCTX_FLAG_NAME(SG_MERGE),
	HCTX_FLAG_NAME(BLOCKING),
	HCTX_FLAG_NAME(NO_SCHED),
};
#undef HCTX_FLAG_NAME



static int hctx_flags_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;
	const int alloc_policy = BLK_MQ_FLAG_TO_ALLOC_POLICY(hctx->flags);

	seq_puts(m, "alloc_policy=");
	if (alloc_policy < ARRAY_SIZE(alloc_policy_name) &&
	    alloc_policy_name[alloc_policy])
		seq_puts(m, alloc_policy_name[alloc_policy]);
	else
		seq_printf(m, "%d", alloc_policy);
	seq_puts(m, " ");
	blk_flags_show(m,
		       hctx->flags ^ BLK_ALLOC_POLICY_TO_MQ_FLAG(alloc_policy),
		       hctx_flag_name, ARRAY_SIZE(hctx_flag_name));
	seq_puts(m, "\n");
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 77 68.75% 2 50.00%
Omar Sandoval 35 31.25% 2 50.00%
Total 112 100.00% 4 100.00%


#define REQ_OP_NAME(name) [REQ_OP_##name] = #name

static const char *const op_name[] = {
	REQ_OP_NAME(READ),
	REQ_OP_NAME(WRITE),
	REQ_OP_NAME(FLUSH),
	REQ_OP_NAME(DISCARD),
	REQ_OP_NAME(ZONE_REPORT),
	REQ_OP_NAME(SECURE_ERASE),
	REQ_OP_NAME(ZONE_RESET),
	REQ_OP_NAME(WRITE_SAME),
	REQ_OP_NAME(WRITE_ZEROES),
	REQ_OP_NAME(SCSI_IN),
	REQ_OP_NAME(SCSI_OUT),
	REQ_OP_NAME(DRV_IN),
	REQ_OP_NAME(DRV_OUT),
};
#undef REQ_OP_NAME


#define CMD_FLAG_NAME(name) [__REQ_##name] = #name

static const char *const cmd_flag_name[] = {
	CMD_FLAG_NAME(FAILFAST_DEV),
	CMD_FLAG_NAME(FAILFAST_TRANSPORT),
	CMD_FLAG_NAME(FAILFAST_DRIVER),
	CMD_FLAG_NAME(SYNC),
	CMD_FLAG_NAME(META),
	CMD_FLAG_NAME(PRIO),
	CMD_FLAG_NAME(NOMERGE),
	CMD_FLAG_NAME(IDLE),
	CMD_FLAG_NAME(INTEGRITY),
	CMD_FLAG_NAME(FUA),
	CMD_FLAG_NAME(PREFLUSH),
	CMD_FLAG_NAME(RAHEAD),
	CMD_FLAG_NAME(BACKGROUND),
	CMD_FLAG_NAME(NOUNMAP),
	CMD_FLAG_NAME(NOWAIT),
};
#undef CMD_FLAG_NAME


#define RQF_NAME(name) [ilog2((__force u32)RQF_##name)] = #name

static const char *const rqf_name[] = {
	RQF_NAME(SORTED),
	RQF_NAME(STARTED),
	RQF_NAME(QUEUED),
	RQF_NAME(SOFTBARRIER),
	RQF_NAME(FLUSH_SEQ),
	RQF_NAME(MIXED_MERGE),
	RQF_NAME(MQ_INFLIGHT),
	RQF_NAME(DONTPREP),
	RQF_NAME(PREEMPT),
	RQF_NAME(COPY_USER),
	RQF_NAME(FAILED),
	RQF_NAME(QUIET),
	RQF_NAME(ELVPRIV),
	RQF_NAME(IO_STAT),
	RQF_NAME(ALLOCED),
	RQF_NAME(PM),
	RQF_NAME(HASHED),
	RQF_NAME(STATS),
	RQF_NAME(SPECIAL_PAYLOAD),
	RQF_NAME(ZONE_WRITE_LOCKED),
	RQF_NAME(MQ_POLL_SLEPT),
};
#undef RQF_NAME


static const char *const blk_mq_rq_state_name_array[] = {
	[MQ_RQ_IDLE]		= "idle",
	[MQ_RQ_IN_FLIGHT]	= "in_flight",
	[MQ_RQ_COMPLETE]	= "complete",
};



static const char *blk_mq_rq_state_name(enum mq_rq_state rq_state)
{
	if (WARN_ON_ONCE((unsigned int)rq_state >=
			 ARRAY_SIZE(blk_mq_rq_state_name_array)))
		return "(?)";
	return blk_mq_rq_state_name_array[rq_state];
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 36 97.30% 1 50.00%
Dan Carpenter 1 2.70% 1 50.00%
Total 37 100.00% 2 100.00%



int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq)
{
	const struct blk_mq_ops *const mq_ops = rq->q->mq_ops;
	const unsigned int op = rq->cmd_flags & REQ_OP_MASK;

	seq_printf(m, "%p {.op=", rq);
	if (op < ARRAY_SIZE(op_name) && op_name[op])
		seq_printf(m, "%s", op_name[op]);
	else
		seq_printf(m, "%d", op);
	seq_puts(m, ", .cmd_flags=");
	blk_flags_show(m, rq->cmd_flags & ~REQ_OP_MASK, cmd_flag_name,
		       ARRAY_SIZE(cmd_flag_name));
	seq_puts(m, ", .rq_flags=");
	blk_flags_show(m, (__force unsigned int)rq->rq_flags, rqf_name,
		       ARRAY_SIZE(rqf_name));
	seq_printf(m, ", .state=%s", blk_mq_rq_state_name(blk_mq_rq_state(rq)));
	seq_printf(m, ", .tag=%d, .internal_tag=%d", rq->tag,
		   rq->internal_tag);
	if (mq_ops->show_rq)
		mq_ops->show_rq(m, rq);
	seq_puts(m, "}\n");
	return 0;
}
Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 145 75.13% 5 55.56%
Omar Sandoval 46 23.83% 3 33.33%
Jens Axboe 2 1.04% 1 11.11%
Total 193 100.00% 9 100.00%

EXPORT_SYMBOL_GPL(__blk_mq_debugfs_rq_show);



int blk_mq_debugfs_rq_show(struct seq_file *m, void *v)
{
	return __blk_mq_debugfs_rq_show(m, list_entry_rq(v));
}
Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 25 100.00% 1 100.00%
Total 25 100.00% 1 100.00%

EXPORT_SYMBOL_GPL(blk_mq_debugfs_rq_show);



static void *hctx_dispatch_start(struct seq_file *m, loff_t *pos)
	__acquires(&hctx->lockContributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 14 82.35% 1 50.00%
Bart Van Assche 3 17.65% 1 50.00%
Total 17 100.00% 2 100.00%

)
{
	struct blk_mq_hw_ctx *hctx = m->private;

	spin_lock(&hctx->lock);
	return seq_list_start(&hctx->dispatch, *pos);
}



static void *hctx_dispatch_next(struct seq_file *m, void *v, loff_t *pos)
{
	struct blk_mq_hw_ctx *hctx = m->private;

	return seq_list_next(v, &hctx->dispatch, pos);
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 42 100.00% 1 100.00%
Total 42 100.00% 1 100.00%



static void hctx_dispatch_stop(struct seq_file *m, void *v)
	__releases(&hctx->lockContributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 13 81.25% 1 50.00%
Bart Van Assche 3 18.75% 1 50.00%
Total 16 100.00% 2 100.00%

)
{
	struct blk_mq_hw_ctx *hctx = m->private;

	spin_unlock(&hctx->lock);
}


static const struct seq_operations hctx_dispatch_seq_ops = {
	.start	= hctx_dispatch_start,
	.next	= hctx_dispatch_next,
	.stop	= hctx_dispatch_stop,
	.show	= blk_mq_debugfs_rq_show,
};


struct show_busy_params {
	
struct seq_file		*m;
	
struct blk_mq_hw_ctx	*hctx;
};

/*
 * Note: the state of a request may change while this function is in progress,
 * e.g. due to a concurrent blk_mq_finish_request() call.
 */


static void hctx_show_busy_rq(struct request *rq, void *data, bool reserved)
{
	const struct show_busy_params *params = data;

	if (blk_mq_map_queue(rq->q, rq->mq_ctx->cpu) == params->hctx &&
	    blk_mq_rq_state(rq) != MQ_RQ_IDLE)
		__blk_mq_debugfs_rq_show(params->m,
					 list_entry_rq(&rq->queuelist));
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 64 95.52% 1 50.00%
Tejun Heo 3 4.48% 1 50.00%
Total 67 100.00% 2 100.00%



static int hctx_busy_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;
	struct show_busy_params params = { .m = m, .hctx = hctx };

	blk_mq_tagset_busy_iter(hctx->queue->tag_set, hctx_show_busy_rq,
				&params);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Bart Van Assche 55 100.00% 1 100.00%
Total 55 100.00% 1 100.00%



static int hctx_ctx_map_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;

	sbitmap_bitmap_show(&hctx->ctx_map, m);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 35 100.00% 3 100.00%
Total 35 100.00% 3 100.00%



static void blk_mq_debugfs_tags_show(struct seq_file *m,
				     struct blk_mq_tags *tags)
{
	seq_printf(m, "nr_tags=%u\n", tags->nr_tags);
	seq_printf(m, "nr_reserved_tags=%u\n", tags->nr_reserved_tags);
	seq_printf(m, "active_queues=%d\n",
		   atomic_read(&tags->active_queues));

	seq_puts(m, "\nbitmap_tags:\n");
	sbitmap_queue_show(&tags->bitmap_tags, m);

	if (tags->nr_reserved_tags) {
		seq_puts(m, "\nbreserved_tags:\n");
		sbitmap_queue_show(&tags->breserved_tags, m);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 95 100.00% 3 100.00%
Total 95 100.00% 3 100.00%



static int hctx_tags_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;
	struct request_queue *q = hctx->queue;
	int res;

	res = mutex_lock_interruptible(&q->sysfs_lock);
	if (res)
		goto out;
	if (hctx->tags)
		blk_mq_debugfs_tags_show(m, hctx->tags);
	mutex_unlock(&q->sysfs_lock);

out:
	return res;
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 63 79.75% 2 66.67%
Bart Van Assche 16 20.25% 1 33.33%
Total 79 100.00% 3 100.00%



static int hctx_tags_bitmap_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;
	struct request_queue *q = hctx->queue;
	int res;

	res = mutex_lock_interruptible(&q->sysfs_lock);
	if (res)
		goto out;
	if (hctx->tags)
		sbitmap_bitmap_show(&hctx->tags->bitmap_tags.sb, m);
	mutex_unlock(&q->sysfs_lock);

out:
	return res;
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 68 80.95% 3 75.00%
Bart Van Assche 16 19.05% 1 25.00%
Total 84 100.00% 4 100.00%



static int hctx_sched_tags_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;
	struct request_queue *q = hctx->queue;
	int res;

	res = mutex_lock_interruptible(&q->sysfs_lock);
	if (res)
		goto out;
	if (hctx->sched_tags)
		blk_mq_debugfs_tags_show(m, hctx->sched_tags);
	mutex_unlock(&q->sysfs_lock);

out:
	return res;
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 63 79.75% 3 75.00%
Bart Van Assche 16 20.25% 1 25.00%
Total 79 100.00% 4 100.00%



static int hctx_sched_tags_bitmap_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx *hctx = data;
	struct request_queue *q = hctx->queue;
	int res;

	res = mutex_lock_interruptible(&q->sysfs_lock);
	if (res)
		goto out;
	if (hctx->sched_tags)
		sbitmap_bitmap_show(&hctx->sched_tags->bitmap_tags.sb, m);
	mutex_unlock(&q->sysfs_lock);

out:
	return res;
}

Contributors
Person Tokens Prop Commits CommitProp
Omar Sandoval 68 80.95% 3 75.00%
Bart Van Assche 16 19.05% 1 25.00%
Total 84 100.00% 4 100.00%



static int hctx_io_poll_show(void *data, struct seq_file *m)
{
	struct blk_mq_hw_ctx
Person	Tokens	Prop	Commits	CommitProp
Bart Van Assche	57	100.00%	1	100.00%
Total	57	100.00%	1	100.00%
cregit-Linux how code gets into the kernel

Release 4.18 block/blk-mq-debugfs.c

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors
