From d366e7ec41882791c970dfb7c67b737be8c3a174 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sun, 1 Apr 2012 14:38:44 -0700 Subject: blkcg: pass around pd->pdata instead of pd itself in prfill functions Now that all conf and stat fields are moved into policy specific blkio_policy_data->pdata areas, there's no reason to use blkio_policy_data itself in prfill functions. Pass around @pd->pdata instead of @pd. Signed-off-by: Tejun Heo --- block/blk-cgroup.c | 33 +++++++++++++++------------------ 1 file changed, 15 insertions(+), 18 deletions(-) (limited to 'block/blk-cgroup.c') diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index c0e239b..7de19d7 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -359,7 +359,7 @@ static const char *blkg_dev_name(struct blkio_group *blkg) * cftype->read_seq_string method. */ void blkcg_print_blkgs(struct seq_file *sf, struct blkio_cgroup *blkcg, - u64 (*prfill)(struct seq_file *, struct blkg_policy_data *, int), + u64 (*prfill)(struct seq_file *, void *, int), int pol, int data, bool show_total) { struct blkio_group *blkg; @@ -369,7 +369,7 @@ void blkcg_print_blkgs(struct seq_file *sf, struct blkio_cgroup *blkcg, spin_lock_irq(&blkcg->lock); hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) if (blkg->pd[pol]) - total += prfill(sf, blkg->pd[pol], data); + total += prfill(sf, blkg->pd[pol]->pdata, data); spin_unlock_irq(&blkcg->lock); if (show_total) @@ -380,14 +380,14 @@ EXPORT_SYMBOL_GPL(blkcg_print_blkgs); /** * __blkg_prfill_u64 - prfill helper for a single u64 value * @sf: seq_file to print to - * @pd: policy data of interest + * @pdata: policy private data of interest * @v: value to print * - * Print @v to @sf for the device assocaited with @pd. + * Print @v to @sf for the device assocaited with @pdata. */ -u64 __blkg_prfill_u64(struct seq_file *sf, struct blkg_policy_data *pd, u64 v) +u64 __blkg_prfill_u64(struct seq_file *sf, void *pdata, u64 v) { - const char *dname = blkg_dev_name(pd->blkg); + const char *dname = blkg_dev_name(pdata_to_blkg(pdata)); if (!dname) return 0; @@ -400,12 +400,12 @@ EXPORT_SYMBOL_GPL(__blkg_prfill_u64); /** * __blkg_prfill_rwstat - prfill helper for a blkg_rwstat * @sf: seq_file to print to - * @pd: policy data of interest + * @pdata: policy private data of interest * @rwstat: rwstat to print * - * Print @rwstat to @sf for the device assocaited with @pd. + * Print @rwstat to @sf for the device assocaited with @pdata. */ -u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, +u64 __blkg_prfill_rwstat(struct seq_file *sf, void *pdata, const struct blkg_rwstat *rwstat) { static const char *rwstr[] = { @@ -414,7 +414,7 @@ u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, [BLKG_RWSTAT_SYNC] = "Sync", [BLKG_RWSTAT_ASYNC] = "Async", }; - const char *dname = blkg_dev_name(pd->blkg); + const char *dname = blkg_dev_name(pdata_to_blkg(pdata)); u64 v; int i; @@ -430,19 +430,16 @@ u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, return v; } -static u64 blkg_prfill_stat(struct seq_file *sf, struct blkg_policy_data *pd, - int off) +static u64 blkg_prfill_stat(struct seq_file *sf, void *pdata, int off) { - return __blkg_prfill_u64(sf, pd, - blkg_stat_read((void *)pd->pdata + off)); + return __blkg_prfill_u64(sf, pdata, blkg_stat_read(pdata + off)); } -static u64 blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, - int off) +static u64 blkg_prfill_rwstat(struct seq_file *sf, void *pdata, int off) { - struct blkg_rwstat rwstat = blkg_rwstat_read((void *)pd->pdata + off); + struct blkg_rwstat rwstat = blkg_rwstat_read(pdata + off); - return __blkg_prfill_rwstat(sf, pd, &rwstat); + return __blkg_prfill_rwstat(sf, pdata, &rwstat); } /* print blkg_stat specified by BLKCG_STAT_PRIV() */ -- cgit v1.1