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

These don't have users anymore.  Remove them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 1eb8895be4c6b8bb17d49022583d2ee411336e94..e7e93377e320f190960d425fb14661635109280d 100644 (file)
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -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

diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index bed9e43f94260e42017546ae38c8158ab0da1003..914ce55fa8c2a69c3f2d80d29ea35ef53252b78a 100644 (file)
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -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);