Commit 8a80d5d6 authored by Tejun Heo's avatar Tejun Heo Committed by Jens Axboe
Browse files

blk-cgroup: remove now unused blkg_print_stat_{bytes|ios}_recursive() 



These don't have users anymore.  Remove them.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 7ca46438

block/blk-cgroup.c

+0 −83
Original line number Diff line number Diff line
@@ -615,89 +615,6 @@ u64 blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, 
}

EXPORT_SYMBOL_GPL(blkg_prfill_rwstat);



static u64 blkg_prfill_rwstat_field(struct seq_file *sf,

				    struct blkg_policy_data *pd, int off)

{

	struct blkg_rwstat_sample rwstat = { };



	blkg_rwstat_read((void *)pd->blkg + off, &rwstat);

	return __blkg_prfill_rwstat(sf, pd, &rwstat);

}



/**

 * blkg_print_stat_bytes - seq_show callback for blkg->stat_bytes

 * @sf: seq_file to print to

 * @v: unused

 *

 * To be used as cftype->seq_show to print blkg->stat_bytes.

 * cftype->private must be set to the blkcg_policy.

 */

int blkg_print_stat_bytes(struct seq_file *sf, void *v)

{

	blkcg_print_blkgs(sf, css_to_blkcg(seq_css(sf)),

			  blkg_prfill_rwstat_field, (void *)seq_cft(sf)->private,

			  offsetof(struct blkcg_gq, stat_bytes), true);

	return 0;

}

EXPORT_SYMBOL_GPL(blkg_print_stat_bytes);



/**

 * blkg_print_stat_bytes - seq_show callback for blkg->stat_ios

 * @sf: seq_file to print to

 * @v: unused

 *

 * To be used as cftype->seq_show to print blkg->stat_ios.  cftype->private

 * must be set to the blkcg_policy.

 */

int blkg_print_stat_ios(struct seq_file *sf, void *v)

{

	blkcg_print_blkgs(sf, css_to_blkcg(seq_css(sf)),

			  blkg_prfill_rwstat_field, (void *)seq_cft(sf)->private,

			  offsetof(struct blkcg_gq, stat_ios), true);

	return 0;

}

EXPORT_SYMBOL_GPL(blkg_print_stat_ios);



static u64 blkg_prfill_rwstat_field_recursive(struct seq_file *sf,

					      struct blkg_policy_data *pd,

					      int off)

{

	struct blkg_rwstat_sample rwstat;



	blkg_rwstat_recursive_sum(pd->blkg, NULL, off, &rwstat);

	return __blkg_prfill_rwstat(sf, pd, &rwstat);

}



/**

 * blkg_print_stat_bytes_recursive - recursive version of blkg_print_stat_bytes

 * @sf: seq_file to print to

 * @v: unused

 */

int blkg_print_stat_bytes_recursive(struct seq_file *sf, void *v)

{

	blkcg_print_blkgs(sf, css_to_blkcg(seq_css(sf)),

			  blkg_prfill_rwstat_field_recursive,

			  (void *)seq_cft(sf)->private,

			  offsetof(struct blkcg_gq, stat_bytes), true);

	return 0;

}

EXPORT_SYMBOL_GPL(blkg_print_stat_bytes_recursive);



/**

 * blkg_print_stat_ios_recursive - recursive version of blkg_print_stat_ios

 * @sf: seq_file to print to

 * @v: unused

 */

int blkg_print_stat_ios_recursive(struct seq_file *sf, void *v)

{

	blkcg_print_blkgs(sf, css_to_blkcg(seq_css(sf)),

			  blkg_prfill_rwstat_field_recursive,

			  (void *)seq_cft(sf)->private,

			  offsetof(struct blkcg_gq, stat_ios), true);

	return 0;

}

EXPORT_SYMBOL_GPL(blkg_print_stat_ios_recursive);



/**

 * blkg_rwstat_recursive_sum - collect hierarchical blkg_rwstat

 * @blkg: blkg of interest

include/linux/blk-cgroup.h

+0 −5
Original line number Diff line number Diff line
@@ -220,11 +220,6 @@ u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, 
			 const struct blkg_rwstat_sample *rwstat);

u64 blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd,

		       int off);

int blkg_print_stat_bytes(struct seq_file *sf, void *v);

int blkg_print_stat_ios(struct seq_file *sf, void *v);

int blkg_print_stat_bytes_recursive(struct seq_file *sf, void *v);

int blkg_print_stat_ios_recursive(struct seq_file *sf, void *v);



void blkg_rwstat_recursive_sum(struct blkcg_gq *blkg, struct blkcg_policy *pol,

		int off, struct blkg_rwstat_sample *sum);

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