Commit-ID: 05b93801a23c21a6f355f4c492c51715d6ccc96d Gitweb: https://git.kernel.org/tip/05b93801a23c21a6f355f4c492c51715d6ccc96d Author: Matthew Wilcox <mawil...@microsoft.com> AuthorDate: Wed, 17 Jan 2018 07:14:14 -0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Thu, 18 Jan 2018 11:56:49 +0100
lockdep: Convert some users to const These users of lockdep_is_held() either wanted lockdep_is_held to take a const pointer, or would benefit from providing a const pointer. Signed-off-by: Matthew Wilcox <mawil...@microsoft.com> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org> Cc: "David S. Miller" <da...@davemloft.net> Link: https://lkml.kernel.org/r/20180117151414.23686-4-wi...@infradead.org --- include/linux/backing-dev.h | 2 +- include/linux/srcu.h | 4 ++-- include/net/sock.h | 4 +--- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index e54e7e0..3e4ce54 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -332,7 +332,7 @@ static inline bool inode_to_wb_is_valid(struct inode *inode) * holding either @inode->i_lock, @inode->i_mapping->tree_lock, or the * associated wb's list_lock. */ -static inline struct bdi_writeback *inode_to_wb(struct inode *inode) +static inline struct bdi_writeback *inode_to_wb(const struct inode *inode) { #ifdef CONFIG_LOCKDEP WARN_ON_ONCE(debug_locks && diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 62be896..33c1c69 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -92,7 +92,7 @@ void synchronize_srcu(struct srcu_struct *sp); * relies on normal RCU, it can be called from the CPU which * is in the idle loop from an RCU point of view or offline. */ -static inline int srcu_read_lock_held(struct srcu_struct *sp) +static inline int srcu_read_lock_held(const struct srcu_struct *sp) { if (!debug_lockdep_rcu_enabled()) return 1; @@ -101,7 +101,7 @@ static inline int srcu_read_lock_held(struct srcu_struct *sp) #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ -static inline int srcu_read_lock_held(struct srcu_struct *sp) +static inline int srcu_read_lock_held(const struct srcu_struct *sp) { return 1; } diff --git a/include/net/sock.h b/include/net/sock.h index 7a7b14e..c4a424f 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1445,10 +1445,8 @@ do { \ } while (0) #ifdef CONFIG_LOCKDEP -static inline bool lockdep_sock_is_held(const struct sock *csk) +static inline bool lockdep_sock_is_held(const struct sock *sk) { - struct sock *sk = (struct sock *)csk; - return lockdep_is_held(&sk->sk_lock) || lockdep_is_held(&sk->sk_lock.slock); }
