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btrfs: pass fs_info to trace_btrfs_transaction_commit

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The root on the trans->root can be anything, and generally we're
committing from the transaction kthread so it's usually the tree_root.
Change this to just take an fs_info, and to maintain compatibility
simply put the ROOT_TREE_OBJECTID as the root objectid for the
tracepoint.  This will allow use to remove trans->root.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik
2021-11-05 16:45:29 -04:00
committed by David Sterba
parent fdfbf02066
commit 2e4e97abac
3 changed files with 8 additions and 8 deletions
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10
include/trace/events/btrfs.h
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@@ -182,18 +182,18 @@ FLUSH_STATES
TRACE_EVENT(btrfs_transaction_commit,
TP_PROTO(const struct btrfs_root *root),
TP_PROTO(const struct btrfs_fs_info *fs_info),
TP_ARGS(root),
TP_ARGS(fs_info),
TP_STRUCT__entry_btrfs(
__field( u64, generation )
__field( u64, root_objectid )
),
TP_fast_assign_btrfs(root->fs_info,
__entry->generation = root->fs_info->generation;
__entry->root_objectid = root->root_key.objectid;
TP_fast_assign_btrfs(fs_info,
__entry->generation = fs_info->generation;
__entry->root_objectid = BTRFS_ROOT_TREE_OBJECTID;
),
TP_printk_btrfs("root=%llu(%s) gen=%llu",