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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-10-25 10:06:04 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-10-25 10:06:04 +0200 |
| commit | 0fc4f78f44e6c6148cee32456f0d0023ec1c1fd8 (patch) | |
| tree | 71c906207227dd8753a0191db9304035ec3471a4 /include/linux/blk-cgroup.h | |
| parent | 78010cd9736ec571796f4404524ed575b81238b9 (diff) | |
| parent | 5481e27f6fd06b7cb902072e81d6b083db8155eb (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into topic/drm-misc
Backmerge latest drm-next to have a baseline for the
s/fence/dma_fence/ patch from Chris.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/linux/blk-cgroup.h')
| -rw-r--r-- | include/linux/blk-cgroup.h | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 10648e300c93..3bf5d33800ab 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -45,7 +45,7 @@ struct blkcg { spinlock_t lock; struct radix_tree_root blkg_tree; - struct blkcg_gq *blkg_hint; + struct blkcg_gq __rcu *blkg_hint; struct hlist_head blkg_list; struct blkcg_policy_data *cpd[BLKCG_MAX_POLS]; @@ -343,16 +343,7 @@ static inline struct blkcg *cpd_to_blkcg(struct blkcg_policy_data *cpd) */ static inline int blkg_path(struct blkcg_gq *blkg, char *buf, int buflen) { - char *p; - - p = cgroup_path(blkg->blkcg->css.cgroup, buf, buflen); - if (!p) { - strncpy(buf, "<unavailable>", buflen); - return -ENAMETOOLONG; - } - - memmove(buf, p, buf + buflen - p); - return 0; + return cgroup_path(blkg->blkcg->css.cgroup, buf, buflen); } /** |