X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fidr.c;h=305117ca2d415a1adf91700fe34a06d88028de67;hb=2c4f365ad2361c93c097e958b2b0a7a112750228;hp=4d096819511a810eafbf4fe6e0a240c120012676;hpb=936813a8807c5684c6a97f1081b31027403d4a93;p=powerpc.git diff --git a/lib/idr.c b/lib/idr.c index 4d09681951..305117ca2d 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -33,19 +33,20 @@ #include #include -static kmem_cache_t *idr_layer_cache; +static struct kmem_cache *idr_layer_cache; static struct idr_layer *alloc_layer(struct idr *idp) { struct idr_layer *p; + unsigned long flags; - spin_lock(&idp->lock); + spin_lock_irqsave(&idp->lock, flags); if ((p = idp->id_free)) { idp->id_free = p->ary[0]; idp->id_free_cnt--; p->ary[0] = NULL; } - spin_unlock(&idp->lock); + spin_unlock_irqrestore(&idp->lock, flags); return(p); } @@ -59,12 +60,14 @@ static void __free_layer(struct idr *idp, struct idr_layer *p) static void free_layer(struct idr *idp, struct idr_layer *p) { + unsigned long flags; + /* * Depends on the return element being zeroed. */ - spin_lock(&idp->lock); + spin_lock_irqsave(&idp->lock, flags); __free_layer(idp, p); - spin_unlock(&idp->lock); + spin_unlock_irqrestore(&idp->lock, flags); } /** @@ -168,6 +171,7 @@ static int idr_get_new_above_int(struct idr *idp, void *ptr, int starting_id) { struct idr_layer *p, *new; int layers, v, id; + unsigned long flags; id = starting_id; build_up: @@ -191,14 +195,14 @@ build_up: * The allocation failed. If we built part of * the structure tear it down. */ - spin_lock(&idp->lock); + spin_lock_irqsave(&idp->lock, flags); for (new = p; p && p != idp->top; new = p) { p = p->ary[0]; new->ary[0] = NULL; new->bitmap = new->count = 0; __free_layer(idp, new); } - spin_unlock(&idp->lock); + spin_unlock_irqrestore(&idp->lock, flags); return -1; } new->ary[0] = p; @@ -325,8 +329,8 @@ static void sub_remove(struct idr *idp, int shift, int id) /** * idr_remove - remove the given id and free it's slot - * idp: idr handle - * id: uniqueue key + * @idp: idr handle + * @id: unique key */ void idr_remove(struct idr *idp, int id) { @@ -441,7 +445,7 @@ void *idr_replace(struct idr *idp, void *ptr, int id) } EXPORT_SYMBOL(idr_replace); -static void idr_cache_ctor(void * idr_layer, kmem_cache_t *idr_layer_cache, +static void idr_cache_ctor(void * idr_layer, struct kmem_cache *idr_layer_cache, unsigned long flags) { memset(idr_layer, 0, sizeof(struct idr_layer));