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

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These don't have users anymore.  Remove them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Tejun Heo 2019-11-07 11:18:02 -08:00 committed by Jens Axboe
parent 7ca464383a
commit 8a80d5d663
2 changed files with 0 additions and 88 deletions
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83
block/blk-cgroup.c
View File

@ -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

5
include/linux/blk-cgroup.h
View File

@ -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);