#include "file-item.h"
#include "orphan.h"
#include "tree-checker.h"
+#include "raid-stripe-tree.h"
#undef SCRAMBLE_DELAYED_REFS
static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
+ struct btrfs_delayed_ref_head *href,
struct btrfs_delayed_ref_node *node, u64 parent,
u64 root_objectid, u64 owner_objectid,
u64 owner_offset,
struct btrfs_extent_inline_ref *iref,
enum btrfs_inline_ref_type is_data)
{
+ struct btrfs_fs_info *fs_info = eb->fs_info;
int type = btrfs_extent_inline_ref_type(eb, iref);
u64 offset = btrfs_extent_inline_ref_offset(eb, iref);
+ if (type == BTRFS_EXTENT_OWNER_REF_KEY) {
+ ASSERT(btrfs_fs_incompat(fs_info, SIMPLE_QUOTA));
+ return type;
+ }
+
if (type == BTRFS_TREE_BLOCK_REF_KEY ||
type == BTRFS_SHARED_BLOCK_REF_KEY ||
type == BTRFS_SHARED_DATA_REF_KEY ||
if (type == BTRFS_TREE_BLOCK_REF_KEY)
return type;
if (type == BTRFS_SHARED_BLOCK_REF_KEY) {
- ASSERT(eb->fs_info);
+ ASSERT(fs_info);
/*
* Every shared one has parent tree block,
* which must be aligned to sector size.
*/
- if (offset &&
- IS_ALIGNED(offset, eb->fs_info->sectorsize))
+ if (offset && IS_ALIGNED(offset, fs_info->sectorsize))
return type;
}
} else if (is_data == BTRFS_REF_TYPE_DATA) {
if (type == BTRFS_EXTENT_DATA_REF_KEY)
return type;
if (type == BTRFS_SHARED_DATA_REF_KEY) {
- ASSERT(eb->fs_info);
+ ASSERT(fs_info);
/*
* Every shared one has parent tree block,
* which must be aligned to sector size.
*/
if (offset &&
- IS_ALIGNED(offset, eb->fs_info->sectorsize))
+ IS_ALIGNED(offset, fs_info->sectorsize))
return type;
}
} else {
WARN_ON(1);
btrfs_print_leaf(eb);
- btrfs_err(eb->fs_info,
+ btrfs_err(fs_info,
"eb %llu iref 0x%lx invalid extent inline ref type %d",
eb->start, (unsigned long)iref, type);
while (ptr < end) {
iref = (struct btrfs_extent_inline_ref *)ptr;
type = btrfs_get_extent_inline_ref_type(leaf, iref, needed);
+ if (type == BTRFS_EXTENT_OWNER_REF_KEY) {
+ ASSERT(btrfs_fs_incompat(fs_info, SIMPLE_QUOTA));
+ ptr += btrfs_extent_inline_ref_size(type);
+ continue;
+ }
if (type == BTRFS_REF_TYPE_INVALID) {
ret = -EUCLEAN;
goto out;
ASSERT(generic_ref->type != BTRFS_REF_NOT_SET &&
generic_ref->action);
BUG_ON(generic_ref->type == BTRFS_REF_METADATA &&
- generic_ref->tree_ref.owning_root == BTRFS_TREE_LOG_OBJECTID);
+ generic_ref->tree_ref.ref_root == BTRFS_TREE_LOG_OBJECTID);
if (generic_ref->type == BTRFS_REF_METADATA)
ret = btrfs_add_delayed_tree_ref(trans, generic_ref, NULL);
}
static int run_delayed_data_ref(struct btrfs_trans_handle *trans,
+ struct btrfs_delayed_ref_head *href,
struct btrfs_delayed_ref_node *node,
struct btrfs_delayed_extent_op *extent_op,
bool insert_reserved)
if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) {
struct btrfs_key key;
+ struct btrfs_squota_delta delta = {
+ .root = href->owning_root,
+ .num_bytes = node->num_bytes,
+ .rsv_bytes = href->reserved_bytes,
+ .is_data = true,
+ .is_inc = true,
+ };
if (extent_op)
flags |= extent_op->flags_to_set;
flags, ref->objectid,
ref->offset, &key,
node->ref_mod);
+ if (!ret)
+ ret = btrfs_record_squota_delta(trans->fs_info, &delta);
+ else
+ btrfs_qgroup_free_refroot(trans->fs_info, delta.root,
+ delta.rsv_bytes, BTRFS_QGROUP_RSV_DATA);
} else if (node->action == BTRFS_ADD_DELAYED_REF) {
ret = __btrfs_inc_extent_ref(trans, node, parent, ref->root,
ref->objectid, ref->offset,
extent_op);
} else if (node->action == BTRFS_DROP_DELAYED_REF) {
- ret = __btrfs_free_extent(trans, node, parent,
+ ret = __btrfs_free_extent(trans, href, node, parent,
ref->root, ref->objectid,
ref->offset, extent_op);
} else {
}
static int run_delayed_tree_ref(struct btrfs_trans_handle *trans,
+ struct btrfs_delayed_ref_head *href,
struct btrfs_delayed_ref_node *node,
struct btrfs_delayed_extent_op *extent_op,
bool insert_reserved)
{
int ret = 0;
+ struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_delayed_tree_ref *ref;
u64 parent = 0;
u64 ref_root = 0;
return -EUCLEAN;
}
if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) {
+ struct btrfs_squota_delta delta = {
+ .root = href->owning_root,
+ .num_bytes = fs_info->nodesize,
+ .rsv_bytes = 0,
+ .is_data = false,
+ .is_inc = true,
+ };
+
BUG_ON(!extent_op || !extent_op->update_flags);
ret = alloc_reserved_tree_block(trans, node, extent_op);
+ if (!ret)
+ btrfs_record_squota_delta(fs_info, &delta);
} else if (node->action == BTRFS_ADD_DELAYED_REF) {
ret = __btrfs_inc_extent_ref(trans, node, parent, ref_root,
ref->level, 0, extent_op);
} else if (node->action == BTRFS_DROP_DELAYED_REF) {
- ret = __btrfs_free_extent(trans, node, parent, ref_root,
+ ret = __btrfs_free_extent(trans, href, node, parent, ref_root,
ref->level, 0, extent_op);
} else {
BUG();
/* helper function to actually process a single delayed ref entry */
static int run_one_delayed_ref(struct btrfs_trans_handle *trans,
+ struct btrfs_delayed_ref_head *href,
struct btrfs_delayed_ref_node *node,
struct btrfs_delayed_extent_op *extent_op,
bool insert_reserved)
if (node->type == BTRFS_TREE_BLOCK_REF_KEY ||
node->type == BTRFS_SHARED_BLOCK_REF_KEY)
- ret = run_delayed_tree_ref(trans, node, extent_op,
+ ret = run_delayed_tree_ref(trans, href, node, extent_op,
insert_reserved);
else if (node->type == BTRFS_EXTENT_DATA_REF_KEY ||
node->type == BTRFS_SHARED_DATA_REF_KEY)
- ret = run_delayed_data_ref(trans, node, extent_op,
+ ret = run_delayed_data_ref(trans, href, node, extent_op,
insert_reserved);
+ else if (node->type == BTRFS_EXTENT_OWNER_REF_KEY)
+ ret = 0;
else
BUG();
if (ret && insert_reserved)
return btrfs_calc_delayed_ref_csum_bytes(fs_info, nr_csums);
}
+ if (btrfs_qgroup_mode(fs_info) == BTRFS_QGROUP_MODE_SIMPLE &&
+ head->must_insert_reserved && head->is_data)
+ btrfs_qgroup_free_refroot(fs_info, head->owning_root,
+ head->reserved_bytes, BTRFS_QGROUP_RSV_DATA);
return 0;
}
locked_ref->extent_op = NULL;
spin_unlock(&locked_ref->lock);
- ret = run_one_delayed_ref(trans, ref, extent_op,
+ ret = run_one_delayed_ref(trans, locked_ref, ref, extent_op,
must_insert_reserved);
btrfs_delayed_refs_rsv_release(fs_info, 1, 0);
*bytes_released += btrfs_calc_delayed_ref_bytes(fs_info, 1);
+
btrfs_free_delayed_extent_op(extent_op);
if (ret) {
unselect_delayed_ref_head(delayed_refs, locked_ref);
struct btrfs_extent_item *ei;
struct btrfs_key key;
u32 item_size;
+ u32 expected_size;
int type;
int ret;
ret = 1;
item_size = btrfs_item_size(leaf, path->slots[0]);
ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);
+ expected_size = sizeof(*ei) + btrfs_extent_inline_ref_size(BTRFS_EXTENT_DATA_REF_KEY);
+
+ /* No inline refs; we need to bail before checking for owner ref. */
+ if (item_size == sizeof(*ei))
+ goto out;
+
+ /* Check for an owner ref; skip over it to the real inline refs. */
+ iref = (struct btrfs_extent_inline_ref *)(ei + 1);
+ type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);
+ if (btrfs_fs_incompat(fs_info, SIMPLE_QUOTA) && type == BTRFS_EXTENT_OWNER_REF_KEY) {
+ expected_size += btrfs_extent_inline_ref_size(BTRFS_EXTENT_OWNER_REF_KEY);
+ iref = (struct btrfs_extent_inline_ref *)(iref + 1);
+ }
/* If extent item has more than 1 inline ref then it's shared */
- if (item_size != sizeof(*ei) +
- btrfs_extent_inline_ref_size(BTRFS_EXTENT_DATA_REF_KEY))
+ if (item_size != expected_size)
goto out;
/*
btrfs_root_last_snapshot(&root->root_item)))
goto out;
- iref = (struct btrfs_extent_inline_ref *)(ei + 1);
-
/* If this extent has SHARED_DATA_REF then it's shared */
type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);
if (type != BTRFS_EXTENT_DATA_REF_KEY)
num_bytes = btrfs_file_extent_disk_num_bytes(buf, fi);
key.offset -= btrfs_file_extent_offset(buf, fi);
btrfs_init_generic_ref(&generic_ref, action, bytenr,
- num_bytes, parent);
+ num_bytes, parent, ref_root);
btrfs_init_data_ref(&generic_ref, ref_root, key.objectid,
key.offset, root->root_key.objectid,
for_reloc);
} else {
bytenr = btrfs_node_blockptr(buf, i);
num_bytes = fs_info->nodesize;
+ /* We don't know the owning_root, use 0. */
btrfs_init_generic_ref(&generic_ref, action, bytenr,
- num_bytes, parent);
+ num_bytes, parent, 0);
btrfs_init_tree_ref(&generic_ref, level - 1, ref_root,
root->root_key.objectid, for_reloc);
if (inc)
return 0;
}
+/*
+ * Parse an extent item's inline extents looking for a simple quotas owner ref.
+ *
+ * @fs_info: the btrfs_fs_info for this mount
+ * @leaf: a leaf in the extent tree containing the extent item
+ * @slot: the slot in the leaf where the extent item is found
+ *
+ * Returns the objectid of the root that originally allocated the extent item
+ * if the inline owner ref is expected and present, otherwise 0.
+ *
+ * If an extent item has an owner ref item, it will be the first inline ref
+ * item. Therefore the logic is to check whether there are any inline ref
+ * items, then check the type of the first one.
+ */
+u64 btrfs_get_extent_owner_root(struct btrfs_fs_info *fs_info,
+ struct extent_buffer *leaf, int slot)
+{
+ struct btrfs_extent_item *ei;
+ struct btrfs_extent_inline_ref *iref;
+ struct btrfs_extent_owner_ref *oref;
+ unsigned long ptr;
+ unsigned long end;
+ int type;
+
+ if (!btrfs_fs_incompat(fs_info, SIMPLE_QUOTA))
+ return 0;
+
+ ei = btrfs_item_ptr(leaf, slot, struct btrfs_extent_item);
+ ptr = (unsigned long)(ei + 1);
+ end = (unsigned long)ei + btrfs_item_size(leaf, slot);
+
+ /* No inline ref items of any kind, can't check type. */
+ if (ptr == end)
+ return 0;
+
+ iref = (struct btrfs_extent_inline_ref *)ptr;
+ type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_ANY);
+
+ /* We found an owner ref, get the root out of it. */
+ if (type == BTRFS_EXTENT_OWNER_REF_KEY) {
+ oref = (struct btrfs_extent_owner_ref *)(&iref->offset);
+ return btrfs_extent_owner_ref_root_id(leaf, oref);
+ }
+
+ /* We have inline refs, but not an owner ref. */
+ return 0;
+}
+
static int do_free_extent_accounting(struct btrfs_trans_handle *trans,
- u64 bytenr, u64 num_bytes, bool is_data)
+ u64 bytenr, struct btrfs_squota_delta *delta)
{
int ret;
+ u64 num_bytes = delta->num_bytes;
- if (is_data) {
+ if (delta->is_data) {
struct btrfs_root *csum_root;
csum_root = btrfs_csum_root(trans->fs_info, bytenr);
btrfs_abort_transaction(trans, ret);
return ret;
}
+
+ ret = btrfs_delete_raid_extent(trans, bytenr, num_bytes);
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ return ret;
+ }
+ }
+
+ ret = btrfs_record_squota_delta(trans->fs_info, delta);
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ return ret;
}
ret = add_to_free_space_tree(trans, bytenr, num_bytes);
* And that (13631488 EXTENT_DATA_REF <HASH>) gets removed.
*/
static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
+ struct btrfs_delayed_ref_head *href,
struct btrfs_delayed_ref_node *node, u64 parent,
u64 root_objectid, u64 owner_objectid,
u64 owner_offset,
u64 bytenr = node->bytenr;
u64 num_bytes = node->num_bytes;
bool skinny_metadata = btrfs_fs_incompat(info, SKINNY_METADATA);
+ u64 delayed_ref_root = href->owning_root;
extent_root = btrfs_extent_root(info, bytenr);
ASSERT(extent_root);
}
}
} else {
+ struct btrfs_squota_delta delta = {
+ .root = delayed_ref_root,
+ .num_bytes = num_bytes,
+ .rsv_bytes = 0,
+ .is_data = is_data,
+ .is_inc = false,
+ };
+
/* In this branch refs == 1 */
if (found_extent) {
if (is_data && refs_to_drop !=
num_to_del = 2;
}
}
+ /*
+ * We can't infer the data owner from the delayed ref, so we need
+ * to try to get it from the owning ref item.
+ *
+ * If it is not present, then that extent was not written under
+ * simple quotas mode, so we don't need to account for its deletion.
+ */
+ if (is_data)
+ delta.root = btrfs_get_extent_owner_root(trans->fs_info,
+ leaf, extent_slot);
ret = btrfs_del_items(trans, extent_root, path, path->slots[0],
num_to_del);
}
btrfs_release_path(path);
- ret = do_free_extent_accounting(trans, bytenr, num_bytes, is_data);
+ ret = do_free_extent_accounting(trans, bytenr, &delta);
}
btrfs_release_path(path);
int ret;
btrfs_init_generic_ref(&generic_ref, BTRFS_DROP_DELAYED_REF,
- buf->start, buf->len, parent);
+ buf->start, buf->len, parent, btrfs_header_owner(buf));
btrfs_init_tree_ref(&generic_ref, btrfs_header_level(buf),
root_id, 0, false);
* tree, just update pinning info and exit early.
*/
if ((ref->type == BTRFS_REF_METADATA &&
- ref->tree_ref.owning_root == BTRFS_TREE_LOG_OBJECTID) ||
+ ref->tree_ref.ref_root == BTRFS_TREE_LOG_OBJECTID) ||
(ref->type == BTRFS_REF_DATA &&
- ref->data_ref.owning_root == BTRFS_TREE_LOG_OBJECTID)) {
+ ref->data_ref.ref_root == BTRFS_TREE_LOG_OBJECTID)) {
btrfs_pin_extent(trans, ref->bytenr, ref->len, 1);
ret = 0;
} else if (ref->type == BTRFS_REF_METADATA) {
}
if (!((ref->type == BTRFS_REF_METADATA &&
- ref->tree_ref.owning_root == BTRFS_TREE_LOG_OBJECTID) ||
+ ref->tree_ref.ref_root == BTRFS_TREE_LOG_OBJECTID) ||
(ref->type == BTRFS_REF_DATA &&
- ref->data_ref.owning_root == BTRFS_TREE_LOG_OBJECTID)))
+ ref->data_ref.ref_root == BTRFS_TREE_LOG_OBJECTID)))
btrfs_ref_tree_mod(fs_info, ref);
return ret;
struct btrfs_root *extent_root;
int ret;
struct btrfs_extent_item *extent_item;
+ struct btrfs_extent_owner_ref *oref;
struct btrfs_extent_inline_ref *iref;
struct btrfs_path *path;
struct extent_buffer *leaf;
int type;
u32 size;
+ const bool simple_quota = (btrfs_qgroup_mode(fs_info) == BTRFS_QGROUP_MODE_SIMPLE);
if (parent > 0)
type = BTRFS_SHARED_DATA_REF_KEY;
else
type = BTRFS_EXTENT_DATA_REF_KEY;
- size = sizeof(*extent_item) + btrfs_extent_inline_ref_size(type);
+ size = sizeof(*extent_item);
+ if (simple_quota)
+ size += btrfs_extent_inline_ref_size(BTRFS_EXTENT_OWNER_REF_KEY);
+ size += btrfs_extent_inline_ref_size(type);
path = btrfs_alloc_path();
if (!path)
flags | BTRFS_EXTENT_FLAG_DATA);
iref = (struct btrfs_extent_inline_ref *)(extent_item + 1);
+ if (simple_quota) {
+ btrfs_set_extent_inline_ref_type(leaf, iref, BTRFS_EXTENT_OWNER_REF_KEY);
+ oref = (struct btrfs_extent_owner_ref *)(&iref->offset);
+ btrfs_set_extent_owner_ref_root_id(leaf, oref, root_objectid);
+ iref = (struct btrfs_extent_inline_ref *)(oref + 1);
+ }
btrfs_set_extent_inline_ref_type(leaf, iref, type);
+
if (parent > 0) {
struct btrfs_shared_data_ref *ref;
ref = (struct btrfs_shared_data_ref *)(iref + 1);
struct btrfs_key *ins)
{
struct btrfs_ref generic_ref = { 0 };
+ u64 root_objectid = root->root_key.objectid;
+ u64 owning_root = root_objectid;
- BUG_ON(root->root_key.objectid == BTRFS_TREE_LOG_OBJECTID);
+ BUG_ON(root_objectid == BTRFS_TREE_LOG_OBJECTID);
btrfs_init_generic_ref(&generic_ref, BTRFS_ADD_DELAYED_EXTENT,
- ins->objectid, ins->offset, 0);
- btrfs_init_data_ref(&generic_ref, root->root_key.objectid, owner,
+ ins->objectid, ins->offset, 0, owning_root);
+ btrfs_init_data_ref(&generic_ref, root_objectid, owner,
offset, 0, false);
btrfs_ref_tree_mod(root->fs_info, &generic_ref);
int ret;
struct btrfs_block_group *block_group;
struct btrfs_space_info *space_info;
+ struct btrfs_squota_delta delta = {
+ .root = root_objectid,
+ .num_bytes = ins->offset,
+ .rsv_bytes = 0,
+ .is_data = true,
+ .is_inc = true,
+ };
/*
* Mixed block groups will exclude before processing the log so we only
offset, ins, 1);
if (ret)
btrfs_pin_extent(trans, ins->objectid, ins->offset, 1);
+ ret = btrfs_record_squota_delta(fs_info, &delta);
btrfs_put_block_group(block_group);
return ret;
}
extent_op->level = level;
btrfs_init_generic_ref(&generic_ref, BTRFS_ADD_DELAYED_EXTENT,
- ins.objectid, ins.offset, parent);
+ ins.objectid, ins.offset, parent,
+ btrfs_header_owner(buf));
btrfs_init_tree_ref(&generic_ref, level, root_objectid,
root->root_key.objectid, false);
btrfs_ref_tree_mod(fs_info, &generic_ref);
find_next_key(path, level, &wc->drop_progress);
btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, bytenr,
- fs_info->nodesize, parent);
+ fs_info->nodesize, parent,
+ btrfs_header_owner(next));
btrfs_init_tree_ref(&ref, level - 1, root->root_key.objectid,
0, false);
ret = btrfs_free_extent(trans, &ref);
projects / linux-2.6-microblaze.git / blobdiff