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btrfs: qgroup: Add new trace point for qgroup data reserve

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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>
This commit is contained in:
Qu Wenruo
2015-09-28 16:57:53 +08:00
committed by Chris Mason
parent b9d0b38928
commit 81fb6f77a0
3 changed files with 130 additions and 2 deletions
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8
fs/btrfs/qgroup.h
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@@ -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);