static void
trim_map_free_locked(trim_map_t *tm, uint64_t start, uint64_t end, uint64_t txg)
{
zio_t zsearch, *zs;
ASSERT(MUTEX_HELD(&tm->tm_lock));
zsearch.io_offset = start;
zsearch.io_size = end - start;
zs = avl_find(&tm->tm_inflight_writes, &zsearch, NULL);
if (zs == NULL) {
trim_map_segment_add(tm, start, end, txg);
return;
}
if (start < zs->io_offset)
trim_map_free_locked(tm, start, zs->io_offset, txg);
if (zs->io_offset + zs->io_size < end)
trim_map_free_locked(tm, zs->io_offset + zs->io_size, end, txg);
}
void
trim_map_free(vdev_t *vd, uint64_t offset, uint64_t size, uint64_t txg)
{
trim_map_t *tm = vd->vdev_trimmap;
if (!zfs_trim_enabled || vd->vdev_notrim || tm == NULL)
return;
mutex_enter(&tm->tm_lock);
trim_map_free_locked(tm, offset, TRIM_ZIO_END(vd, offset, size), txg);
mutex_exit(&tm->tm_lock);
}
void
trim_map_free(zio_t *zio)
{
vdev_t *vd = zio->io_vd;
trim_map_t *tm = vd->vdev_trimmap;
if (zfs_notrim || vd->vdev_notrim || tm == NULL)
return;
mutex_enter(&tm->tm_lock);
trim_map_free_locked(tm, zio->io_offset, zio->io_offset + zio->io_size,
vd->vdev_spa->spa_syncing_txg);
mutex_exit(&tm->tm_lock);
}