diff options
| -rw-r--r-- | drivers/i2c/i2c-core.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/core/cm.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cm.c | 2 | ||||
| -rw-r--r-- | drivers/pps/pps.c | 2 | ||||
| -rw-r--r-- | drivers/thermal/thermal_sys.c | 2 | ||||
| -rw-r--r-- | fs/super.c | 2 | ||||
| -rw-r--r-- | include/linux/idr.h | 10 | ||||
| -rw-r--r-- | lib/idr.c | 32 |
8 files changed, 27 insertions, 27 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 2091ae8f..2421d95 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -982,7 +982,7 @@ int i2c_add_numbered_adapter(struct i2c_adapter *adap) if (adap->nr == -1) /* -1 means dynamically assign bus id */ return i2c_add_adapter(adap); - if (adap->nr & ~MAX_ID_MASK) + if (adap->nr & ~MAX_IDR_MASK) return -EINVAL; retry: diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index d67999f..394fea2 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -390,7 +390,7 @@ static int cm_alloc_id(struct cm_id_private *cm_id_priv) ret = idr_get_new_above(&cm.local_id_table, cm_id_priv, next_id, &id); if (!ret) - next_id = ((unsigned) id + 1) & MAX_ID_MASK; + next_id = ((unsigned) id + 1) & MAX_IDR_MASK; spin_unlock_irqrestore(&cm.lock, flags); } while( (ret == -EAGAIN) && idr_pre_get(&cm.local_id_table, GFP_KERNEL) ); diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index e25e4da..80079e5 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -225,7 +225,7 @@ id_map_alloc(struct ib_device *ibdev, int slave_id, u32 sl_cm_id) ret = idr_get_new_above(&sriov->pv_id_table, ent, next_id, &id); if (!ret) { - next_id = ((unsigned) id + 1) & MAX_ID_MASK; + next_id = ((unsigned) id + 1) & MAX_IDR_MASK; ent->pv_cm_id = (u32)id; sl_id_map_add(ibdev, ent); } diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c index e771487..2420d5a 100644 --- a/drivers/pps/pps.c +++ b/drivers/pps/pps.c @@ -306,7 +306,7 @@ int pps_register_cdev(struct pps_device *pps) if (err < 0) return err; - pps->id &= MAX_ID_MASK; + pps->id &= MAX_IDR_MASK; if (pps->id >= PPS_MAX_SOURCES) { pr_err("%s: too many PPS sources in the system\n", pps->info.name); diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index 67789b8..efd81bb 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -78,7 +78,7 @@ again: else if (unlikely(err)) return err; - *id = *id & MAX_ID_MASK; + *id = *id & MAX_IDR_MASK; return 0; } @@ -865,7 +865,7 @@ int get_anon_bdev(dev_t *p) else if (error) return -EAGAIN; - if ((dev & MAX_ID_MASK) == (1 << MINORBITS)) { + if ((dev & MAX_IDR_MASK) == (1 << MINORBITS)) { spin_lock(&unnamed_dev_lock); ida_remove(&unnamed_dev_ida, dev); if (unnamed_dev_start > dev) diff --git a/include/linux/idr.h b/include/linux/idr.h index 255491c..87259a4 100644 --- a/include/linux/idr.h +++ b/include/linux/idr.h @@ -38,15 +38,15 @@ #define IDR_SIZE (1 << IDR_BITS) #define IDR_MASK ((1 << IDR_BITS)-1) -#define MAX_ID_SHIFT (sizeof(int)*8 - 1) -#define MAX_ID_BIT (1U << MAX_ID_SHIFT) -#define MAX_ID_MASK (MAX_ID_BIT - 1) +#define MAX_IDR_SHIFT (sizeof(int)*8 - 1) +#define MAX_IDR_BIT (1U << MAX_IDR_SHIFT) +#define MAX_IDR_MASK (MAX_IDR_BIT - 1) /* Leave the possibility of an incomplete final layer */ -#define MAX_LEVEL (MAX_ID_SHIFT + IDR_BITS - 1) / IDR_BITS +#define MAX_IDR_LEVEL ((MAX_IDR_SHIFT + IDR_BITS - 1) / IDR_BITS) /* Number of id_layer structs to leave in free list */ -#define IDR_FREE_MAX MAX_LEVEL + MAX_LEVEL +#define MAX_IDR_FREE (MAX_IDR_LEVEL * 2) struct idr_layer { unsigned long bitmap; /* A zero bit means "space here" */ @@ -20,7 +20,7 @@ * that id to this code and it returns your pointer. * You can release ids at any time. When all ids are released, most of - * the memory is returned (we keep IDR_FREE_MAX) in a local pool so we + * the memory is returned (we keep MAX_IDR_FREE) in a local pool so we * don't need to go to the memory "store" during an id allocate, just * so you don't need to be too concerned about locking and conflicts * with the slab allocator. @@ -122,7 +122,7 @@ static void idr_mark_full(struct idr_layer **pa, int id) */ int idr_pre_get(struct idr *idp, gfp_t gfp_mask) { - while (idp->id_free_cnt < IDR_FREE_MAX) { + while (idp->id_free_cnt < MAX_IDR_FREE) { struct idr_layer *new; new = kmem_cache_zalloc(idr_layer_cache, gfp_mask); if (new == NULL) @@ -179,7 +179,7 @@ static int sub_alloc(struct idr *idp, int *starting_id, struct idr_layer **pa) sh = IDR_BITS*l; id = ((id >> sh) ^ n ^ m) << sh; } - if ((id >= MAX_ID_BIT) || (id < 0)) + if ((id >= MAX_IDR_BIT) || (id < 0)) return IDR_NOMORE_SPACE; if (l == 0) break; @@ -223,7 +223,7 @@ build_up: * Add a new layer to the top of the tree if the requested * id is larger than the currently allocated space. */ - while ((layers < (MAX_LEVEL - 1)) && (id >= (1 << (layers*IDR_BITS)))) { + while ((layers < (MAX_IDR_LEVEL - 1)) && (id >= (1 << (layers*IDR_BITS)))) { layers++; if (!p->count) { /* special case: if the tree is currently empty, @@ -265,7 +265,7 @@ build_up: static int idr_get_new_above_int(struct idr *idp, void *ptr, int starting_id) { - struct idr_layer *pa[MAX_LEVEL]; + struct idr_layer *pa[MAX_IDR_LEVEL]; int id; id = idr_get_empty_slot(idp, starting_id, pa); @@ -357,7 +357,7 @@ static void idr_remove_warning(int id) static void sub_remove(struct idr *idp, int shift, int id) { struct idr_layer *p = idp->top; - struct idr_layer **pa[MAX_LEVEL]; + struct idr_layer **pa[MAX_IDR_LEVEL]; struct idr_layer ***paa = &pa[0]; struct idr_layer *to_free; int n; @@ -402,7 +402,7 @@ void idr_remove(struct idr *idp, int id) struct idr_layer *to_free; /* Mask off upper bits we don't use for the search. */ - id &= MAX_ID_MASK; + id &= MAX_IDR_MASK; sub_remove(idp, (idp->layers - 1) * IDR_BITS, id); if (idp->top && idp->top->count == 1 && (idp->layers > 1) && @@ -420,7 +420,7 @@ void idr_remove(struct idr *idp, int id) to_free->bitmap = to_free->count = 0; free_layer(to_free); } - while (idp->id_free_cnt >= IDR_FREE_MAX) { + while (idp->id_free_cnt >= MAX_IDR_FREE) { p = get_from_free_list(idp); /* * Note: we don't call the rcu callback here, since the only @@ -451,7 +451,7 @@ void idr_remove_all(struct idr *idp) int n, id, max; int bt_mask; struct idr_layer *p; - struct idr_layer *pa[MAX_LEVEL]; + struct idr_layer *pa[MAX_IDR_LEVEL]; struct idr_layer **paa = &pa[0]; n = idp->layers * IDR_BITS; @@ -517,7 +517,7 @@ void *idr_find(struct idr *idp, int id) n = (p->layer+1) * IDR_BITS; /* Mask off upper bits we don't use for the search. */ - id &= MAX_ID_MASK; + id &= MAX_IDR_MASK; if (id >= (1 << n)) return NULL; @@ -555,7 +555,7 @@ int idr_for_each(struct idr *idp, { int n, id, max, error = 0; struct idr_layer *p; - struct idr_layer *pa[MAX_LEVEL]; + struct idr_layer *pa[MAX_IDR_LEVEL]; struct idr_layer **paa = &pa[0]; n = idp->layers * IDR_BITS; @@ -601,7 +601,7 @@ EXPORT_SYMBOL(idr_for_each); */ void *idr_get_next(struct idr *idp, int *nextidp) { - struct idr_layer *p, *pa[MAX_LEVEL]; + struct idr_layer *p, *pa[MAX_IDR_LEVEL]; struct idr_layer **paa = &pa[0]; int id = *nextidp; int n, max; @@ -659,7 +659,7 @@ void *idr_replace(struct idr *idp, void *ptr, int id) n = (p->layer+1) * IDR_BITS; - id &= MAX_ID_MASK; + id &= MAX_IDR_MASK; if (id >= (1 << n)) return ERR_PTR(-EINVAL); @@ -780,7 +780,7 @@ EXPORT_SYMBOL(ida_pre_get); */ int ida_get_new_above(struct ida *ida, int starting_id, int *p_id) { - struct idr_layer *pa[MAX_LEVEL]; + struct idr_layer *pa[MAX_IDR_LEVEL]; struct ida_bitmap *bitmap; unsigned long flags; int idr_id = starting_id / IDA_BITMAP_BITS; @@ -793,7 +793,7 @@ int ida_get_new_above(struct ida *ida, int starting_id, int *p_id) if (t < 0) return _idr_rc_to_errno(t); - if (t * IDA_BITMAP_BITS >= MAX_ID_BIT) + if (t * IDA_BITMAP_BITS >= MAX_IDR_BIT) return -ENOSPC; if (t != idr_id) @@ -827,7 +827,7 @@ int ida_get_new_above(struct ida *ida, int starting_id, int *p_id) } id = idr_id * IDA_BITMAP_BITS + t; - if (id >= MAX_ID_BIT) + if (id >= MAX_IDR_BIT) return -ENOSPC; __set_bit(t, bitmap->bitmap); |
