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

lockref: Add lockref_put_not_zero

Browse Source 
Put a lockref unless the lockref is dead or its count would become zero.
This is the same as lockref_put_or_lock except that the lock is never
left held.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
This commit is contained in:
Andreas Gruenbacher
2018-03-29 08:07:46 +01:00
committed by Bob Peterson
parent e241e3f2bf
commit 450b1f6f56
2 changed files with 29 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/lockref.h
View File

@@ -37,6 +37,7 @@ struct lockref {
extern void lockref_get(struct lockref *);
extern int lockref_put_return(struct lockref *);
extern int lockref_get_not_zero(struct lockref *);
extern int lockref_put_not_zero(struct lockref *);
extern int lockref_get_or_lock(struct lockref *);
extern int lockref_put_or_lock(struct lockref *);