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-rw-r--r--fs/btrfs/delayed-ref.c15
-rw-r--r--fs/btrfs/delayed-ref.h11
-rw-r--r--fs/btrfs/extent-tree.c3
-rw-r--r--fs/btrfs/qgroup.c19
-rw-r--r--fs/btrfs/qgroup.h20
-rw-r--r--include/trace/events/btrfs.h29
6 files changed, 30 insertions, 67 deletions
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index cad36c99a483..7d2a413df90d 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -602,17 +602,14 @@ static void init_delayed_ref_head(struct btrfs_delayed_ref_head *head_ref,
RB_CLEAR_NODE(&head_ref->href_node);
head_ref->processing = 0;
head_ref->total_ref_mod = count_mod;
- head_ref->qgroup_reserved = 0;
- head_ref->qgroup_ref_root = 0;
spin_lock_init(&head_ref->lock);
mutex_init(&head_ref->mutex);
if (qrecord) {
if (ref_root && reserved) {
- head_ref->qgroup_ref_root = ref_root;
- head_ref->qgroup_reserved = reserved;
+ qrecord->data_rsv = reserved;
+ qrecord->data_rsv_refroot = ref_root;
}
-
qrecord->bytenr = bytenr;
qrecord->num_bytes = num_bytes;
qrecord->old_roots = NULL;
@@ -651,10 +648,6 @@ add_delayed_ref_head(struct btrfs_trans_handle *trans,
existing = htree_insert(&delayed_refs->href_root,
&head_ref->href_node);
if (existing) {
- WARN_ON(qrecord && head_ref->qgroup_ref_root
- && head_ref->qgroup_reserved
- && existing->qgroup_ref_root
- && existing->qgroup_reserved);
update_existing_head_ref(trans, existing, head_ref,
old_ref_mod);
/*
@@ -770,7 +763,7 @@ int btrfs_add_delayed_tree_ref(struct btrfs_trans_handle *trans,
if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) &&
is_fstree(ref_root)) {
- record = kmalloc(sizeof(*record), GFP_NOFS);
+ record = kzalloc(sizeof(*record), GFP_NOFS);
if (!record) {
kmem_cache_free(btrfs_delayed_tree_ref_cachep, ref);
kmem_cache_free(btrfs_delayed_ref_head_cachep, head_ref);
@@ -867,7 +860,7 @@ int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans,
if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) &&
is_fstree(ref_root)) {
- record = kmalloc(sizeof(*record), GFP_NOFS);
+ record = kzalloc(sizeof(*record), GFP_NOFS);
if (!record) {
kmem_cache_free(btrfs_delayed_data_ref_cachep, ref);
kmem_cache_free(btrfs_delayed_ref_head_cachep,
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index d2af974f68a1..70606da440aa 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -103,17 +103,6 @@ struct btrfs_delayed_ref_head {
int ref_mod;
/*
- * For qgroup reserved space freeing.
- *
- * ref_root and reserved will be recorded after
- * BTRFS_ADD_DELAYED_EXTENT is called.
- * And will be used to free reserved qgroup space at
- * run_delayed_refs() time.
- */
- u64 qgroup_ref_root;
- u64 qgroup_reserved;
-
- /*
* when a new extent is allocated, it is just reserved in memory
* The actual extent isn't inserted into the extent allocation tree
* until the delayed ref is processed. must_insert_reserved is
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 9f012c2facbe..994f0cc41799 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2492,9 +2492,6 @@ void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info,
}
}
- /* Also free its reserved qgroup space */
- btrfs_qgroup_free_delayed_ref(fs_info, head->qgroup_ref_root,
- head->qgroup_reserved);
btrfs_delayed_refs_rsv_release(fs_info, nr_items);
}
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 9a2f8c4c0fb9..e618ea9cdf7e 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1546,12 +1546,18 @@ int btrfs_qgroup_trace_extent_nolock(struct btrfs_fs_info *fs_info,
parent_node = *p;
entry = rb_entry(parent_node, struct btrfs_qgroup_extent_record,
node);
- if (bytenr < entry->bytenr)
+ if (bytenr < entry->bytenr) {
p = &(*p)->rb_left;
- else if (bytenr > entry->bytenr)
+ } else if (bytenr > entry->bytenr) {
p = &(*p)->rb_right;
- else
+ } else {
+ if (record->data_rsv && !entry->data_rsv) {
+ entry->data_rsv = record->data_rsv;
+ entry->data_rsv_refroot =
+ record->data_rsv_refroot;
+ }
return 1;
+ }
}
rb_link_node(&record->node, parent_node, p);
@@ -1597,7 +1603,7 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, u64 bytenr,
if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)
|| bytenr == 0 || num_bytes == 0)
return 0;
- record = kmalloc(sizeof(*record), gfp_flag);
+ record = kzalloc(sizeof(*record), gfp_flag);
if (!record)
return -ENOMEM;
@@ -2517,6 +2523,11 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans)
goto cleanup;
}
+ /* Free the reserved data space */
+ btrfs_qgroup_free_refroot(fs_info,
+ record->data_rsv_refroot,
+ record->data_rsv,
+ BTRFS_QGROUP_RSV_DATA);
/*
* Use SEQ_LAST as time_seq to do special search, which
* doesn't lock tree or delayed_refs and search current
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
index 5e93733b78c8..46ba7bd2961c 100644
--- a/fs/btrfs/qgroup.h
+++ b/fs/btrfs/qgroup.h
@@ -107,6 +107,17 @@ struct btrfs_qgroup_extent_record {
struct rb_node node;
u64 bytenr;
u64 num_bytes;
+
+ /*
+ * For qgroup reserved data space freeing.
+ *
+ * @data_rsv_refroot and @data_rsv will be recorded after
+ * BTRFS_ADD_DELAYED_EXTENT is called.
+ * And will be used to free reserved qgroup space at
+ * transaction commit time.
+ */
+ u32 data_rsv; /* reserved data space needs to be freed */
+ u64 data_rsv_refroot; /* which root the reserved data belongs to */
struct ulist *old_roots;
};
@@ -326,15 +337,6 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, u64 srcid,
void btrfs_qgroup_free_refroot(struct btrfs_fs_info *fs_info,
u64 ref_root, u64 num_bytes,
enum btrfs_qgroup_rsv_type type);
-static inline void btrfs_qgroup_free_delayed_ref(struct btrfs_fs_info *fs_info,
- u64 ref_root, u64 num_bytes)
-{
- if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags))
- return;
- trace_btrfs_qgroup_free_delayed_ref(fs_info, ref_root, num_bytes);
- btrfs_qgroup_free_refroot(fs_info, ref_root, num_bytes,
- BTRFS_QGROUP_RSV_DATA);
-}
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
int btrfs_verify_qgroup_counts(struct btrfs_fs_info *fs_info, u64 qgroupid,
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 3f08b652363b..ab1cc33adbac 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -1513,35 +1513,6 @@ DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_release_data,
TP_ARGS(inode, start, len, reserved, op)
);
-DECLARE_EVENT_CLASS(btrfs__qgroup_delayed_ref,
-
- TP_PROTO(const struct btrfs_fs_info *fs_info,
- u64 ref_root, u64 reserved),
-
- TP_ARGS(fs_info, ref_root, reserved),
-
- TP_STRUCT__entry_btrfs(
- __field( u64, ref_root )
- __field( u64, reserved )
- ),
-
- TP_fast_assign_btrfs(fs_info,
- __entry->ref_root = ref_root;
- __entry->reserved = reserved;
- ),
-
- TP_printk_btrfs("root=%llu reserved=%llu op=free",
- __entry->ref_root, __entry->reserved)
-);
-
-DEFINE_EVENT(btrfs__qgroup_delayed_ref, btrfs_qgroup_free_delayed_ref,
-
- TP_PROTO(const struct btrfs_fs_info *fs_info,
- u64 ref_root, u64 reserved),
-
- TP_ARGS(fs_info, ref_root, reserved)
-);
-
DECLARE_EVENT_CLASS(btrfs_qgroup_extent,
TP_PROTO(const struct btrfs_fs_info *fs_info,
const struct btrfs_qgroup_extent_record *rec),