The patch titled
idr: introduce ridr_get_new()
has been added to the -mm tree. Its filename is
idr-introduce-ridr_get_new.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: idr: introduce ridr_get_new()
From: Nadia Derbey <Nadia.Derbey@xxxxxxxx>
Introduce the ridr_get_new() routine.
Signed-off-by: Nadia Derbey <Nadia.Derbey@xxxxxxxx>
Cc: Jim Houston <jim.houston@xxxxxxxxxxx>
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Cc: Pierre Peiffer <peifferp@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/ridr.h | 1 +
lib/ridr.c | 27 +++++++++++++++++++++++++++
2 files changed, 28 insertions(+)
diff -puN include/linux/ridr.h~idr-introduce-ridr_get_new include/linux/ridr.h
--- a/include/linux/ridr.h~idr-introduce-ridr_get_new
+++ a/include/linux/ridr.h
@@ -44,6 +44,7 @@ struct ridr {
* This is what we export.
*/
int ridr_pre_get(struct ridr *, gfp_t);
+int ridr_get_new(struct ridr *, void *, int *);
int ridr_get_new_above(struct ridr *, void *, int, int *);
void ridr_init(struct ridr *);
diff -puN lib/ridr.c~idr-introduce-ridr_get_new lib/ridr.c
--- a/lib/ridr.c~idr-introduce-ridr_get_new
+++ a/lib/ridr.c
@@ -232,6 +232,33 @@ int ridr_get_new_above(struct ridr *idp,
}
EXPORT_SYMBOL(ridr_get_new_above);
+/**
+ * ridr_get_new - allocate new ridr entry
+ * @idp: ridr handle
+ * @ptr: pointer you want associated with the ide
+ * @id: pointer to the allocated handle
+ *
+ * This is the allocate id function. It should be called with any
+ * required locks.
+ *
+ * If memory is required, it will return -EAGAIN, you should unlock
+ * and go back to the ridr_pre_get() call. If the ridr is full, it will
+ * return -ENOSPC.
+ *
+ * @id returns a value in the range 0 ... 0x7fffffff
+ */
+int ridr_get_new(struct ridr *idp, void *ptr, int *id)
+{
+ int rv;
+
+ rv = ridr_get_new_above_int(idp, ptr, 0);
+ if (rv < 0)
+ return _idr_rc_to_errno(rv);
+ *id = rv;
+ return 0;
+}
+EXPORT_SYMBOL(ridr_get_new);
+
static void ridr_cache_ctor(struct kmem_cache *ridr_layer_cache,
void *ridr_layer)
{
_
Patches currently in -mm which might be from Nadia.Derbey@xxxxxxxx are
ipc-use-ipc_buildid-directly-from-ipc_addid.patch
ipc-scale-msgmni-to-the-amount-of-lowmem.patch
ipc-scale-msgmni-to-the-number-of-ipc-namespaces.patch
ipc-define-the-slab_memory_callback-priority-as-a-constant.patch
ipc-recompute-msgmni-on-memory-add--remove.patch
ipc-invoke-the-ipcns-notifier-chain-as-a-work-item.patch
ipc-recompute-msgmni-on-ipc-namespace-creation-removal.patch
ipc-do-not-recompute-msgmni-anymore-if-explicitly-set-by-user.patch
ipc-re-enable-msgmni-automatic-recomputing-msgmni-if-set-to-negative.patch
ipc-semaphores-code-factorisation.patch
ipc-shared-memory-introduce-shmctl_down.patch
ipc-message-queues-introduce-msgctl_down.patch
ipc-semaphores-move-the-rwmutex-handling-inside-semctl_down.patch
ipc-semaphores-remove-one-unused-parameter-from-semctl_down.patch
ipc-get-rid-of-the-use-_setbuf-structure.patch
ipc-introduce-ipc_update_perm.patch
ipc-consolidate-all-xxxctl_down-functions.patch
ipc-add-definitions-of-ushort_max-and-others.patch
proc-introduce-proc_create_data-to-setup-de-data.patch
sysvipc-use-non-racy-method-for-proc-entries-creation.patch
idr-fix-idr_remove.patch
idr-introduce-the-ridr-structure.patch
idr-introduce-ridr_pre_get.patch
idr-introduce-ridr_init.patch
idr-introduce-ridr_get_new_above.patch
idr-introduce-ridr_get_new.patch
idr-introduce-ridr_find.patch
idr-introduce-ridr_remove.patch
ipc-integrate-the-ridr-code-into-ipc-code.patch
ipc-get-rid-of-ipc_lock_down.patch
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