AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-24 11:00:56 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Btrfs/tracepoint: update delayed ref tracepoints

Browse Source 
This shows exactly how btrfs processes the delayed refs onto disks,
which is very helpful on understanding delayed ref mechanism and
debugging related bugs.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Liu Bo 2013-07-16 19:03:36 +08:00 committed by Chris Mason
parent 1095cc0d92
commit 599c75ec3f
3 changed files with 66 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/btrfs/delayed-ref.c
View File

@ -600,7 +600,7 @@ static noinline void add_delayed_ref_head(struct btrfs_fs_info *fs_info,
INIT_LIST_HEAD(&head_ref->cluster);
mutex_init(&head_ref->mutex);
trace_btrfs_delayed_ref_head(ref, head_ref, action);
trace_add_delayed_ref_head(ref, head_ref, action);
existing = tree_insert(&delayed_refs->root, &ref->rb_node);
@ -661,7 +661,7 @@ static noinline void add_delayed_tree_ref(struct btrfs_fs_info *fs_info,
ref->type = BTRFS_TREE_BLOCK_REF_KEY;
full_ref->level = level;
trace_btrfs_delayed_tree_ref(ref, full_ref, action);
trace_add_delayed_tree_ref(ref, full_ref, action);
existing = tree_insert(&delayed_refs->root, &ref->rb_node);
@ -722,7 +722,7 @@ static noinline void add_delayed_data_ref(struct btrfs_fs_info *fs_info,
full_ref->objectid = owner;
full_ref->offset = offset;
trace_btrfs_delayed_data_ref(ref, full_ref, action);
trace_add_delayed_data_ref(ref, full_ref, action);
existing = tree_insert(&delayed_refs->root, &ref->rb_node);

6
fs/btrfs/extent-tree.c
View File

@ -2035,6 +2035,8 @@ static int run_delayed_data_ref(struct btrfs_trans_handle *trans,
ins.type = BTRFS_EXTENT_ITEM_KEY;
ref = btrfs_delayed_node_to_data_ref(node);
trace_run_delayed_data_ref(node, ref, node->action);
if (node->type == BTRFS_SHARED_DATA_REF_KEY)
parent = ref->parent;
else
@ -2178,6 +2180,8 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans,
SKINNY_METADATA);
ref = btrfs_delayed_node_to_tree_ref(node);
trace_run_delayed_tree_ref(node, ref, node->action);
if (node->type == BTRFS_SHARED_BLOCK_REF_KEY)
parent = ref->parent;
else
@ -2236,6 +2240,8 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans,
*/
BUG_ON(extent_op);
head = btrfs_delayed_node_to_head(node);
trace_run_delayed_ref_head(node, head, node->action);
if (insert_reserved) {
btrfs_pin_extent(root, node->bytenr,
node->num_bytes, 1);

60
include/trace/events/btrfs.h
View File

@ -439,7 +439,7 @@ TRACE_EVENT(btrfs_sync_fs,
{ BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
TRACE_EVENT(btrfs_delayed_tree_ref,
DECLARE_EVENT_CLASS(btrfs_delayed_tree_ref,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_tree_ref *full_ref,
@ -481,7 +481,25 @@ TRACE_EVENT(btrfs_delayed_tree_ref,
(unsigned long long)__entry->seq)
);
TRACE_EVENT(btrfs_delayed_data_ref,
DEFINE_EVENT(btrfs_delayed_tree_ref, add_delayed_tree_ref,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_tree_ref *full_ref,
int action),
TP_ARGS(ref, full_ref, action)
);
DEFINE_EVENT(btrfs_delayed_tree_ref, run_delayed_tree_ref,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_tree_ref *full_ref,
int action),
TP_ARGS(ref, full_ref, action)
);
DECLARE_EVENT_CLASS(btrfs_delayed_data_ref,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_data_ref *full_ref,
@ -527,7 +545,25 @@ TRACE_EVENT(btrfs_delayed_data_ref,
(unsigned long long)__entry->seq)
);
TRACE_EVENT(btrfs_delayed_ref_head,
DEFINE_EVENT(btrfs_delayed_data_ref, add_delayed_data_ref,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_data_ref *full_ref,
int action),
TP_ARGS(ref, full_ref, action)
);
DEFINE_EVENT(btrfs_delayed_data_ref, run_delayed_data_ref,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_data_ref *full_ref,
int action),
TP_ARGS(ref, full_ref, action)
);
DECLARE_EVENT_CLASS(btrfs_delayed_ref_head,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_ref_head *head_ref,
@ -556,6 +592,24 @@ TRACE_EVENT(btrfs_delayed_ref_head,
__entry->is_data)
);
DEFINE_EVENT(btrfs_delayed_ref_head, add_delayed_ref_head,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_ref_head *head_ref,
int action),
TP_ARGS(ref, head_ref, action)
);
DEFINE_EVENT(btrfs_delayed_ref_head, run_delayed_ref_head,
TP_PROTO(struct btrfs_delayed_ref_node *ref,
struct btrfs_delayed_ref_head *head_ref,
int action),
TP_ARGS(ref, head_ref, action)
);
#define show_chunk_type(type) \
__print_flags(type, "|", \
{ BTRFS_BLOCK_GROUP_DATA, "DATA" }, \