Commit 1e24edca authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar

locking/atomic, kref: Add KREF_INIT()

Since we need to change the implementation, stop exposing internals.

Provide KREF_INIT() to allow static initialization of struct kref.
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 2b0b2111
......@@ -1070,7 +1070,7 @@ static int bm_rw(struct drbd_device *device, const unsigned int flags, unsigned
.done = 0,
.flags = flags,
.error = 0,
.kref = { ATOMIC_INIT(2) },
.kref = KREF_INIT(2),
};
if (!get_ldev_if_state(device, D_ATTACHING)) { /* put is in drbd_bm_aio_ctx_destroy() */
......
......@@ -256,7 +256,7 @@ struct fuse_io_priv {
#define FUSE_IO_PRIV_SYNC(f) \
{ \
.refcnt = { ATOMIC_INIT(1) }, \
.refcnt = KREF_INIT(1), \
.async = 0, \
.file = f, \
}
......
......@@ -24,6 +24,8 @@ struct kref {
atomic_t refcount;
};
#define KREF_INIT(n) { .refcount = ATOMIC_INIT(n), }
/**
* kref_init - initialize object.
* @kref: object in question.
......
......@@ -23,9 +23,7 @@ int version_string(LINUX_VERSION_CODE);
#endif
struct uts_namespace init_uts_ns = {
.kref = {
.refcount = ATOMIC_INIT(2),
},
.kref = KREF_INIT(2),
.name = {
.sysname = UTS_SYSNAME,
.nodename = UTS_NODENAME,
......
......@@ -68,9 +68,7 @@ static inline int mk_pid(struct pid_namespace *pid_ns,
* the scheme scales to up to 4 million PIDs, runtime.
*/
struct pid_namespace init_pid_ns = {
.kref = {
.refcount = ATOMIC_INIT(2),
},
.kref = KREF_INIT(2),
.pidmap = {
[ 0 ... PIDMAP_ENTRIES-1] = { ATOMIC_INIT(BITS_PER_PAGE), NULL }
},
......
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