struct buffer_head *bh;
int err;
- LASSERT_SEM_LOCKED(&c->ic_idle_sem);
+ LASSERT(down_trylock(&c->ic_idle_sem) != 0);
if (blk == 0)
return NULL;
static int iam_leaf_load(struct iam_path *path)
{
- iam_ptr_t block;
- int err;
- struct iam_container *c;
- struct buffer_head *bh;
- struct iam_leaf *leaf;
- struct iam_descr *descr;
-
- c = path->ip_container;
- leaf = &path->ip_leaf;
- descr = iam_path_descr(path);
- block = path->ip_frame->leaf;
- if (block == 0) {
- /* XXX bug 11027 */
- printk(CFS_KERN_EMERG "wrong leaf: %lu %d [%p %p %p]\n",
- (long unsigned)path->ip_frame->leaf,
- dx_get_count(dx_node_get_entries(path, path->ip_frame)),
- path->ip_frames[0].bh, path->ip_frames[1].bh,
- path->ip_frames[2].bh);
- }
- err = descr->id_ops->id_node_read(c, block, NULL, &bh);
- if (err == 0) {
- leaf->il_bh = bh;
- leaf->il_curidx = block;
- err = iam_leaf_ops(leaf)->init(leaf);
- assert_inv(ergo(err == 0, iam_leaf_check(leaf)));
- }
- return err;
+ iam_ptr_t block;
+ int err;
+ struct iam_container *c;
+ struct buffer_head *bh;
+ struct iam_leaf *leaf;
+ struct iam_descr *descr;
+
+ c = path->ip_container;
+ leaf = &path->ip_leaf;
+ descr = iam_path_descr(path);
+ block = path->ip_frame->leaf;
+ if (block == 0) {
+ /* XXX bug 11027 */
+ printk(KERN_EMERG "wrong leaf: %lu %d [%p %p %p]\n",
+ (long unsigned)path->ip_frame->leaf,
+ dx_get_count(dx_node_get_entries(path, path->ip_frame)),
+ path->ip_frames[0].bh, path->ip_frames[1].bh,
+ path->ip_frames[2].bh);
+ }
+ err = descr->id_ops->id_node_read(c, block, NULL, &bh);
+ if (err == 0) {
+ leaf->il_bh = bh;
+ leaf->il_curidx = block;
+ err = iam_leaf_ops(leaf)->init(leaf);
+ assert_inv(ergo(err == 0, iam_leaf_check(leaf)));
+ }
+ return err;
}
static void iam_unlock_htree(struct iam_container *ic,
struct dynlock_handle **dl, enum dynlock_type lt)
{
int result;
- struct inode *dir;
- dir = iam_path_obj(path);
while ((result = __iam_path_lookup(path)) == 0) {
do_corr(schedule());
*dl = iam_lock_htree(path->ip_container, path->ip_frame->leaf,
static int iam_path_lookup(struct iam_path *path, int index)
{
struct iam_container *c;
- struct iam_descr *descr;
struct iam_leaf *leaf;
int result;
c = path->ip_container;
leaf = &path->ip_leaf;
- descr = iam_path_descr(path);
result = iam_lookup_lock(path, &leaf->il_lock, DLT_WRITE);
assert_inv(iam_path_check(path));
do_corr(schedule());
int result;
struct iam_path *path;
struct iam_leaf *leaf;
- struct inode *obj;
do_corr(struct iam_ikey *ik_orig);
/* assert_corr(it->ii_flags&IAM_IT_MOVE); */
path = &it->ii_path;
leaf = &path->ip_leaf;
- obj = iam_path_obj(path);
assert_corr(iam_leaf_is_locked(leaf));