Input: don't modify the id of ioctl-provided ff effect on upload failure

[~andy/linux] / block / blk-cgroup.h

diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index ae6969a7ffd4aa9bebd9373c13a73a503e3b4042..86154eab95239fdd6300ddc665f03650b80f1a5b 100644 (file)
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -402,6 +402,11 @@ struct request_list *__blk_queue_next_rl(struct request_list *rl,
 #define blk_queue_for_each_rl(rl, q)   \
        for ((rl) = &(q)->root_rl; (rl); (rl) = __blk_queue_next_rl((rl), (q)))
 
+static inline void blkg_stat_init(struct blkg_stat *stat)
+{
+       u64_stats_init(&stat->syncp);
+}
+
 /**
  * blkg_stat_add - add a value to a blkg_stat
  * @stat: target blkg_stat
@@ -430,9 +435,9 @@ static inline uint64_t blkg_stat_read(struct blkg_stat *stat)
        uint64_t v;
 
        do {
-               start = u64_stats_fetch_begin(&stat->syncp);
+               start = u64_stats_fetch_begin_bh(&stat->syncp);
                v = stat->cnt;
-       } while (u64_stats_fetch_retry(&stat->syncp, start));
+       } while (u64_stats_fetch_retry_bh(&stat->syncp, start));
 
        return v;
 }
@@ -458,6 +463,11 @@ static inline void blkg_stat_merge(struct blkg_stat *to, struct blkg_stat *from)
        blkg_stat_add(to, blkg_stat_read(from));
 }
 
+static inline void blkg_rwstat_init(struct blkg_rwstat *rwstat)
+{
+       u64_stats_init(&rwstat->syncp);
+}
+
 /**
  * blkg_rwstat_add - add a value to a blkg_rwstat
  * @rwstat: target blkg_rwstat
@@ -498,9 +508,9 @@ static inline struct blkg_rwstat blkg_rwstat_read(struct blkg_rwstat *rwstat)
        struct blkg_rwstat tmp;
 
        do {
-               start = u64_stats_fetch_begin(&rwstat->syncp);
+               start = u64_stats_fetch_begin_bh(&rwstat->syncp);
                tmp = *rwstat;
-       } while (u64_stats_fetch_retry(&rwstat->syncp, start));
+       } while (u64_stats_fetch_retry_bh(&rwstat->syncp, start));
 
        return tmp;
 }