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authorQu Wenruo <quwenruo@cn.fujitsu.com>2015-09-28 10:57:53 +0200
committerChris Mason <clm@fb.com>2015-10-22 03:41:08 +0200
commit81fb6f77a02678ddb0755c24f83c4ed5207da046 (patch)
tree751927a8dcfbdff1aee42368b0b5fc7941446d10 /fs/btrfs/qgroup.h
parentbtrfs: Add handler for invalidate page (diff)
downloadlinux-81fb6f77a02678ddb0755c24f83c4ed5207da046.tar.xz
linux-81fb6f77a02678ddb0755c24f83c4ed5207da046.zip
btrfs: qgroup: Add new trace point for qgroup data reserve
Now each qgroup reserve for data will has its ftrace event for better debugging. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/qgroup.h')
-rw-r--r--fs/btrfs/qgroup.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
index adb03da3d298..686b60f60b61 100644
--- a/fs/btrfs/qgroup.h
+++ b/fs/btrfs/qgroup.h
@@ -33,6 +33,13 @@ struct btrfs_qgroup_extent_record {
struct ulist *old_roots;
};
+/*
+ * For qgroup event trace points only
+ */
+#define QGROUP_RESERVE (1<<0)
+#define QGROUP_RELEASE (1<<1)
+#define QGROUP_FREE (1<<2)
+
int btrfs_quota_enable(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
int btrfs_quota_disable(struct btrfs_trans_handle *trans,
@@ -81,6 +88,7 @@ static inline void btrfs_qgroup_free_delayed_ref(struct btrfs_fs_info *fs_info,
u64 ref_root, u64 num_bytes)
{
btrfs_qgroup_free_refroot(fs_info, ref_root, num_bytes);
+ trace_btrfs_qgroup_free_delayed_ref(ref_root, num_bytes);
}
void assert_qgroups_uptodate(struct btrfs_trans_handle *trans);