diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/bsg.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/block/bsg.c b/block/bsg.c index b253784..55a4303 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -72,7 +72,6 @@ static DEFINE_MUTEX(bsg_mutex); static int bsg_device_nr, bsg_minor_idx; #define BSG_LIST_ARRAY_SIZE 8 -#define bsg_list_idx(minor) ((minor) & (BSG_LIST_ARRAY_SIZE - 1)) static struct hlist_head bsg_device_list[BSG_LIST_ARRAY_SIZE]; static struct class *bsg_class; @@ -139,9 +138,9 @@ out: return bc; } -static inline void -bsg_add_done_cmd(struct bsg_device *bd, struct bsg_command *bc) +static inline struct hlist_head *bsg_dev_idx_hash(int index) { + return &bsg_device_list[index & (BSG_LIST_ARRAY_SIZE - 1)]; } static int bsg_io_schedule(struct bsg_device *bd) @@ -748,8 +747,7 @@ static struct bsg_device *bsg_add_device(struct inode *inode, atomic_set(&bd->ref_count, 1); bd->minor = iminor(inode); mutex_lock(&bsg_mutex); - hlist_add_head(&bd->dev_list, - &bsg_device_list[bd->minor & (BSG_LIST_ARRAY_SIZE - 1)]); + hlist_add_head(&bd->dev_list, bsg_dev_idx_hash(bd->minor)); strncpy(bd->name, rq->bsg_dev.class_dev->class_id, sizeof(bd->name) - 1); dprintk("bound to <%s>, max queue %d\n", @@ -761,14 +759,12 @@ static struct bsg_device *bsg_add_device(struct inode *inode, static struct bsg_device *__bsg_get_device(int minor) { - struct hlist_head *list; struct bsg_device *bd = NULL; struct hlist_node *entry; mutex_lock(&bsg_mutex); - list = &bsg_device_list[minor & (BSG_LIST_ARRAY_SIZE - 1)]; - hlist_for_each(entry, list) { + hlist_for_each(entry, bsg_dev_idx_hash(minor)) { bd = hlist_entry(entry, struct bsg_device, dev_list); if (bd->minor == minor) { atomic_inc(&bd->ref_count); |