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-rw-r--r--fs/btrfs/ctree.c3
-rw-r--r--fs/btrfs/ctree.h1
-rw-r--r--fs/btrfs/delayed-ref.c6
-rw-r--r--fs/btrfs/extent-tree.c4
-rw-r--r--fs/btrfs/extent_io.c2
-rw-r--r--fs/btrfs/file.c1
-rw-r--r--fs/btrfs/inode.c12
-rw-r--r--fs/btrfs/ordered-data.c8
-rw-r--r--fs/btrfs/super.c5
-rw-r--r--fs/btrfs/transaction.c2
-rw-r--r--fs/btrfs/volumes.c16
-rw-r--r--fs/btrfs/volumes.h11
12 files changed, 60 insertions, 11 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 8680110f0a5a..465b5d7d6b48 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -535,6 +535,9 @@ noinline int btrfs_cow_block(struct btrfs_trans_handle *trans,
ret = __btrfs_cow_block(trans, root, buf, parent,
parent_slot, cow_ret, search_start, 0);
+
+ trace_btrfs_cow_block(root, buf, *cow_ret);
+
return ret;
}
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0ee679b6c1b7..9d0f59142afa 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -28,6 +28,7 @@
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/kobject.h>
+#include <trace/events/btrfs.h>
#include <asm/kmap_types.h>
#include "extent_io.h"
#include "extent_map.h"
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index e807b143b857..bce28f653899 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -483,6 +483,8 @@ static noinline int add_delayed_ref_head(struct btrfs_trans_handle *trans,
INIT_LIST_HEAD(&head_ref->cluster);
mutex_init(&head_ref->mutex);
+ trace_btrfs_delayed_ref_head(ref, head_ref, action);
+
existing = tree_insert(&delayed_refs->root, &ref->rb_node);
if (existing) {
@@ -537,6 +539,8 @@ static noinline int add_delayed_tree_ref(struct btrfs_trans_handle *trans,
}
full_ref->level = level;
+ trace_btrfs_delayed_tree_ref(ref, full_ref, action);
+
existing = tree_insert(&delayed_refs->root, &ref->rb_node);
if (existing) {
@@ -591,6 +595,8 @@ static noinline int add_delayed_data_ref(struct btrfs_trans_handle *trans,
full_ref->objectid = owner;
full_ref->offset = offset;
+ trace_btrfs_delayed_data_ref(ref, full_ref, action);
+
existing = tree_insert(&delayed_refs->root, &ref->rb_node);
if (existing) {
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index cd794c35a636..86ea471d3801 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5412,6 +5412,8 @@ again:
dump_space_info(sinfo, num_bytes, 1);
}
+ trace_btrfs_reserved_extent_alloc(root, ins->objectid, ins->offset);
+
return ret;
}
@@ -5433,6 +5435,8 @@ int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len)
update_reserved_bytes(cache, len, 0, 1);
btrfs_put_block_group(cache);
+ trace_btrfs_reserved_extent_free(root, start, len);
+
return ret;
}
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 1bbd26b4fc5c..77c65a0bea34 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2192,6 +2192,8 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
else
write_flags = WRITE;
+ trace___extent_writepage(page, inode, wbc);
+
WARN_ON(!PageLocked(page));
pg_offset = i_size & (PAGE_CACHE_SIZE - 1);
if (page->index > end_index ||
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a85b044cf39e..656bc0a892b1 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1205,6 +1205,7 @@ int btrfs_sync_file(struct file *file, int datasync)
int ret = 0;
struct btrfs_trans_handle *trans;
+ trace_btrfs_sync_file(file, datasync);
/* we wait first, since the writeback may change the inode */
root->log_batch++;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e9813bd7d556..eaa271484199 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1787,6 +1787,8 @@ out:
static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
struct extent_state *state, int uptodate)
{
+ trace_btrfs_writepage_end_io_hook(page, start, end, uptodate);
+
ClearPagePrivate2(page);
return btrfs_finish_ordered_io(page->mapping->host, start, end);
}
@@ -3718,6 +3720,8 @@ void btrfs_evict_inode(struct inode *inode)
unsigned long nr;
int ret;
+ trace_btrfs_inode_evict(inode);
+
truncate_inode_pages(&inode->i_data, 0);
if (inode->i_nlink && (btrfs_root_refs(&root->root_item) != 0 ||
root == root->fs_info->tree_root))
@@ -4510,6 +4514,8 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
return ERR_PTR(-ENOMEM);
if (dir) {
+ trace_btrfs_inode_request(dir);
+
ret = btrfs_set_inode_index(dir, index);
if (ret) {
iput(inode);
@@ -4584,6 +4590,9 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
insert_inode_hash(inode);
inode_tree_add(inode);
+
+ trace_btrfs_inode_new(inode);
+
return inode;
fail:
if (dir)
@@ -5261,6 +5270,9 @@ insert:
}
write_unlock(&em_tree->lock);
out:
+
+ trace_btrfs_get_extent(root, em);
+
if (path)
btrfs_free_path(path);
if (trans) {
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 083a55477375..a1c940425307 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -202,6 +202,8 @@ static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
INIT_LIST_HEAD(&entry->list);
INIT_LIST_HEAD(&entry->root_extent_list);
+ trace_btrfs_ordered_extent_add(inode, entry);
+
spin_lock(&tree->lock);
node = tree_insert(&tree->tree, file_offset,
&entry->rb_node);
@@ -387,6 +389,8 @@ int btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry)
struct list_head *cur;
struct btrfs_ordered_sum *sum;
+ trace_btrfs_ordered_extent_put(entry->inode, entry);
+
if (atomic_dec_and_test(&entry->refs)) {
while (!list_empty(&entry->list)) {
cur = entry->list.next;
@@ -420,6 +424,8 @@ static int __btrfs_remove_ordered_extent(struct inode *inode,
spin_lock(&root->fs_info->ordered_extent_lock);
list_del_init(&entry->root_extent_list);
+ trace_btrfs_ordered_extent_remove(inode, entry);
+
/*
* we have no more ordered extents for this inode and
* no dirty pages. We can safely remove it from the
@@ -585,6 +591,8 @@ void btrfs_start_ordered_extent(struct inode *inode,
u64 start = entry->file_offset;
u64 end = start + entry->len - 1;
+ trace_btrfs_ordered_extent_start(inode, entry);
+
/*
* pages in the range can be dirty, clean or writeback. We
* start IO on any dirty ones so the wait doesn't stall waiting
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index d39a9895d932..2edfc039f098 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -52,6 +52,9 @@
#include "export.h"
#include "compression.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/btrfs.h>
+
static const struct super_operations btrfs_super_ops;
static const char *btrfs_decode_error(struct btrfs_fs_info *fs_info, int errno,
@@ -620,6 +623,8 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
struct btrfs_root *root = btrfs_sb(sb);
int ret;
+ trace_btrfs_sync_fs(wait);
+
if (!wait) {
filemap_flush(root->fs_info->btree_inode->i_mapping);
return 0;
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 3d73c8d93bbb..5b4bc685bb0e 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1389,6 +1389,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
put_transaction(cur_trans);
put_transaction(cur_trans);
+ trace_btrfs_transaction_commit(root);
+
mutex_unlock(&root->fs_info->trans_mutex);
if (current->journal_info == trans)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index dd13eb81ee40..8ba3c9ebff93 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -33,17 +33,6 @@
#include "volumes.h"
#include "async-thread.h"
-struct map_lookup {
- u64 type;
- int io_align;
- int io_width;
- int stripe_len;
- int sector_size;
- int num_stripes;
- int sub_stripes;
- struct btrfs_bio_stripe stripes[];
-};
-
static int init_first_rw_device(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_device *device);
@@ -1923,6 +1912,8 @@ static int btrfs_relocate_chunk(struct btrfs_root *root,
BUG_ON(ret);
+ trace_btrfs_chunk_free(root, map, chunk_offset, em->len);
+
if (map->type & BTRFS_BLOCK_GROUP_SYSTEM) {
ret = btrfs_del_sys_chunk(root, chunk_objectid, chunk_offset);
BUG_ON(ret);
@@ -2650,6 +2641,8 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
*num_bytes = chunk_bytes_by_type(type, calc_size,
map->num_stripes, sub_stripes);
+ trace_btrfs_chunk_alloc(info->chunk_root, map, start, *num_bytes);
+
em = alloc_extent_map(GFP_NOFS);
if (!em) {
ret = -ENOMEM;
@@ -2758,6 +2751,7 @@ static int __finish_chunk_alloc(struct btrfs_trans_handle *trans,
item_size);
BUG_ON(ret);
}
+
kfree(chunk);
return 0;
}
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 7fb59d45fe8c..7b38d0668b51 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -145,6 +145,17 @@ struct btrfs_device_info {
u64 max_avail;
};
+struct map_lookup {
+ u64 type;
+ int io_align;
+ int io_width;
+ int stripe_len;
+ int sector_size;
+ int num_stripes;
+ int sub_stripes;
+ struct btrfs_bio_stripe stripes[];
+};
+
/* Used to sort the devices by max_avail(descending sort) */
int btrfs_cmp_device_free_bytes(const void *dev_info1, const void *dev_info2);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 00:19:18 +0000