diff options
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index dd6ea9ee6245..a4429b366820 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1568,6 +1568,16 @@ static void cfqg_stats_init(struct cfqg_stats *stats) #endif } +static struct blkcg_policy_data *cfq_cpd_alloc(gfp_t gfp) +{ + struct cfq_group_data *cgd; + + cgd = kzalloc(sizeof(*cgd), GFP_KERNEL); + if (!cgd) + return NULL; + return &cgd->cpd; +} + static void cfq_cpd_init(struct blkcg_policy_data *cpd) { struct cfq_group_data *cgd = cpd_to_cfqgd(cpd); @@ -1581,6 +1591,11 @@ static void cfq_cpd_init(struct blkcg_policy_data *cpd) } } +static void cfq_cpd_free(struct blkcg_policy_data *cpd) +{ + kfree(cpd_to_cfqgd(cpd)); +} + static struct blkg_policy_data *cfq_pd_alloc(gfp_t gfp, int node) { struct cfq_group *cfqg; @@ -4649,10 +4664,12 @@ static struct elevator_type iosched_cfq = { #ifdef CONFIG_CFQ_GROUP_IOSCHED static struct blkcg_policy blkcg_policy_cfq = { - .cpd_size = sizeof(struct cfq_group_data), .cftypes = cfq_blkcg_files, + .cpd_alloc_fn = cfq_cpd_alloc, .cpd_init_fn = cfq_cpd_init, + .cpd_free_fn = cfq_cpd_free, + .pd_alloc_fn = cfq_pd_alloc, .pd_init_fn = cfq_pd_init, .pd_offline_fn = cfq_pd_offline, |