xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

rhashtable: Add parent argument to mutex_is_held

Browse Source 
Currently mutex_is_held can only test locks in the that are global
since it takes no arguments.  This prevents rhashtable from being
used in places where locks are lock, e.g., per-namespace locks.

This patch adds a parent field to mutex_is_held and rhashtable_params
so that local locks can be used (and tested).

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu
2014-11-13 18:11:22 +08:00
committed by David S. Miller
parent 1b2f309d70
commit 7b4ce23534
4 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/netlink/af_netlink.c
View File

@@ -115,7 +115,7 @@ DEFINE_MUTEX(nl_sk_hash_lock);
EXPORT_SYMBOL_GPL(nl_sk_hash_lock);
#ifdef CONFIG_PROVE_LOCKING
static int lockdep_nl_sk_hash_is_held(void)
static int lockdep_nl_sk_hash_is_held(void *parent)
{
if (debug_locks)
return lockdep_is_held(&nl_sk_hash_lock) || lockdep_is_held(&nl_table_lock);