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-rw-r--r--fs/btrfs/qgroup.c7
-rw-r--r--include/trace/events/btrfs.h55
2 files changed, 57 insertions, 5 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 836819c34c95..92e2c9f15951 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -3138,7 +3138,7 @@ int __btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
return 0;
BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize));
- trace_qgroup_meta_reserve(root, (s64)num_bytes);
+ trace_qgroup_meta_reserve(root, type, (s64)num_bytes);
ret = qgroup_reserve(root, num_bytes, enforce, type);
if (ret < 0)
return ret;
@@ -3163,7 +3163,7 @@ void btrfs_qgroup_free_meta_all_pertrans(struct btrfs_root *root)
return;
/* TODO: Update trace point to handle such free */
- trace_qgroup_meta_reserve(root, 0);
+ trace_qgroup_meta_free_all_pertrans(root);
/* Special value -1 means to free all reserved space */
btrfs_qgroup_free_refroot(fs_info, root->objectid, (u64)-1,
BTRFS_QGROUP_RSV_META_PERTRANS);
@@ -3185,7 +3185,7 @@ void __btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes,
*/
num_bytes = sub_root_meta_rsv(root, num_bytes, type);
BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize));
- trace_qgroup_meta_reserve(root, -(s64)num_bytes);
+ trace_qgroup_meta_reserve(root, type, -(s64)num_bytes);
btrfs_qgroup_free_refroot(fs_info, root->objectid, num_bytes, type);
}
@@ -3245,6 +3245,7 @@ void btrfs_qgroup_convert_reserved_meta(struct btrfs_root *root, int num_bytes)
/* Same as btrfs_qgroup_free_meta_prealloc() */
num_bytes = sub_root_meta_rsv(root, num_bytes,
BTRFS_QGROUP_RSV_META_PREALLOC);
+ trace_qgroup_meta_convert(root, num_bytes);
qgroup_convert_meta(fs_info, root->objectid, num_bytes);
}
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index eee778ba1414..965c650a5273 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -1663,6 +1663,28 @@ TRACE_EVENT(qgroup_update_reserve,
TRACE_EVENT(qgroup_meta_reserve,
+ TP_PROTO(struct btrfs_root *root, s64 diff, int type),
+
+ TP_ARGS(root, diff, type),
+
+ TP_STRUCT__entry_btrfs(
+ __field( u64, refroot )
+ __field( s64, diff )
+ __field( int, type )
+ ),
+
+ TP_fast_assign_btrfs(root->fs_info,
+ __entry->refroot = root->objectid;
+ __entry->diff = diff;
+ ),
+
+ TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
+ show_root_type(__entry->refroot),
+ show_qgroup_rsv_type(__entry->type), __entry->diff)
+);
+
+TRACE_EVENT(qgroup_meta_convert,
+
TP_PROTO(struct btrfs_root *root, s64 diff),
TP_ARGS(root, diff),
@@ -1670,6 +1692,7 @@ TRACE_EVENT(qgroup_meta_reserve,
TP_STRUCT__entry_btrfs(
__field( u64, refroot )
__field( s64, diff )
+ __field( int, type )
),
TP_fast_assign_btrfs(root->fs_info,
@@ -1677,8 +1700,36 @@ TRACE_EVENT(qgroup_meta_reserve,
__entry->diff = diff;
),
- TP_printk_btrfs("refroot=%llu(%s) diff=%lld",
- show_root_type(__entry->refroot), __entry->diff)
+ TP_printk_btrfs("refroot=%llu(%s) type=%s->%s diff=%lld",
+ show_root_type(__entry->refroot),
+ show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PREALLOC),
+ show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PERTRANS),
+ __entry->diff)
+);
+
+TRACE_EVENT(qgroup_meta_free_all_pertrans,
+
+ TP_PROTO(struct btrfs_root *root),
+
+ TP_ARGS(root),
+
+ TP_STRUCT__entry_btrfs(
+ __field( u64, refroot )
+ __field( s64, diff )
+ __field( int, type )
+ ),
+
+ TP_fast_assign_btrfs(root->fs_info,
+ __entry->refroot = root->objectid;
+ spin_lock(&root->qgroup_meta_rsv_lock);
+ __entry->diff = -(s64)root->qgroup_meta_rsv_pertrans;
+ spin_unlock(&root->qgroup_meta_rsv_lock);
+ __entry->type = BTRFS_QGROUP_RSV_META_PERTRANS;
+ ),
+
+ TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
+ show_root_type(__entry->refroot),
+ show_qgroup_rsv_type(__entry->type), __entry->diff)
);
DECLARE_EVENT_CLASS(btrfs__prelim_ref,