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Btrfs: add truncated_len for ordered extent tracepoints 

This can help us monitor truncated ordered extents.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
hifive-unleashed-5.1
Liu Bo 2016-11-30 16:10:10 -08:00 committed by David Sterba
parent 92a1bf76a8
commit 7856654842
1 changed files with 4 additions and 0 deletions
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4
include/trace/events/btrfs.h
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@ -263,6 +263,7 @@ DECLARE_EVENT_CLASS(btrfs__ordered_extent,
__field( int, compress_type )
__field( int, refs )
__field( u64, root_objectid )
__field( u64, truncated_len )
),
TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
@ -277,10 +278,12 @@ DECLARE_EVENT_CLASS(btrfs__ordered_extent,
__entry->refs = atomic_read(&ordered->refs);
__entry->root_objectid =
BTRFS_I(inode)->root->root_key.objectid;
__entry->truncated_len = ordered->truncated_len;
),
TP_printk_btrfs("root = %llu(%s), ino = %llu, file_offset = %llu, "
"start = %llu, len = %llu, disk_len = %llu, "
"truncated_len = %llu, "
"bytes_left = %llu, flags = %s, compress_type = %d, "
"refs = %d",
show_root_type(__entry->root_objectid),
@ -289,6 +292,7 @@ DECLARE_EVENT_CLASS(btrfs__ordered_extent,
(unsigned long long)__entry->start,
(unsigned long long)__entry->len,
(unsigned long long)__entry->disk_len,
(unsigned long long)__entry->truncated_len,
(unsigned long long)__entry->bytes_left,
show_ordered_flags(__entry->flags),
__entry->compress_type, __entry->refs)