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| author | hselasky <hselasky@FreeBSD.org> | 2018-02-25 10:25:47 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2018-02-25 10:25:47 +0000 |
| commit | 0788f0ae2d3f89e525337b087907111b9a18324d (patch) | |
| tree | 0f8549e61a6feda82a7ba81f2c40559981b3a225 | |
| parent | bfffab37b23935750859ca9b65eb3d2adde9d4d9 (diff) | |
| download | FreeBSD-src-0788f0ae2d3f89e525337b087907111b9a18324d.zip FreeBSD-src-0788f0ae2d3f89e525337b087907111b9a18324d.tar.gz | |
MFC r329468:
Add support for kref_read() function in the LinuxKPI.
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/kref.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/kref.h b/sys/compat/linuxkpi/common/include/linux/kref.h index 80fd271..7411694 100644 --- a/sys/compat/linuxkpi/common/include/linux/kref.h +++ b/sys/compat/linuxkpi/common/include/linux/kref.h @@ -52,6 +52,13 @@ kref_init(struct kref *kref) refcount_init(&kref->refcount.counter, 1); } +static inline unsigned int +kref_read(const struct kref *kref) +{ + + return (atomic_read(&kref->refcount)); +} + static inline void kref_get(struct kref *kref) { |
