/* Extent buffer radix tree */
spinlock_t buffer_lock;
+ /* Entries are eb->start / sectorsize */
struct radix_tree_root buffer_radix;
/* next backup root to be overwritten */
rcu_read_lock();
eb = radix_tree_lookup(&fs_info->buffer_radix,
- start >> PAGE_SHIFT);
+ start >> fs_info->sectorsize_bits);
if (eb && atomic_inc_not_zero(&eb->refs)) {
rcu_read_unlock();
/*
}
spin_lock(&fs_info->buffer_lock);
ret = radix_tree_insert(&fs_info->buffer_radix,
- start >> PAGE_SHIFT, eb);
+ start >> fs_info->sectorsize_bits, eb);
spin_unlock(&fs_info->buffer_lock);
radix_tree_preload_end();
if (ret == -EEXIST) {
spin_lock(&fs_info->buffer_lock);
ret = radix_tree_insert(&fs_info->buffer_radix,
- start >> PAGE_SHIFT, eb);
+ start >> fs_info->sectorsize_bits, eb);
spin_unlock(&fs_info->buffer_lock);
radix_tree_preload_end();
if (ret == -EEXIST) {
spin_lock(&fs_info->buffer_lock);
radix_tree_delete(&fs_info->buffer_radix,
- eb->start >> PAGE_SHIFT);
+ eb->start >> fs_info->sectorsize_bits);
spin_unlock(&fs_info->buffer_lock);
} else {
spin_unlock(&eb->refs_lock);