Btrfs: add fsid to some tracepoints
When tracing enospc problems on a box with multiple file systems mounted I need to be able to differentiate between the two file systems. Most of the important trace points I'm looking at already have an fsid, but the reserved extent trace points do not, so add that to make it possible to figure out which trace point belongs to which file system. Thanks, Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -873,18 +873,21 @@ DECLARE_EVENT_CLASS(btrfs__reserved_extent,
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TP_ARGS(root, start, len),
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TP_STRUCT__entry(
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__field( u64, root_objectid )
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__field( u64, start )
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__field( u64, len )
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__array( u8, fsid, BTRFS_UUID_SIZE )
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__field( u64, root_objectid )
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__field( u64, start )
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__field( u64, len )
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),
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TP_fast_assign(
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memcpy(__entry->fsid, root->fs_info->fsid, BTRFS_UUID_SIZE);
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__entry->root_objectid = root->root_key.objectid;
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__entry->start = start;
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__entry->len = len;
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),
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TP_printk("root = %llu(%s), start = %llu, len = %llu",
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TP_printk("%pU: root = %llu(%s), start = %llu, len = %llu",
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__entry->fsid,
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show_root_type(__entry->root_objectid),
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(unsigned long long)__entry->start,
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(unsigned long long)__entry->len)
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@ -941,6 +944,7 @@ DECLARE_EVENT_CLASS(btrfs__reserve_extent,
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TP_ARGS(root, block_group, start, len),
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TP_STRUCT__entry(
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__array( u8, fsid, BTRFS_UUID_SIZE )
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__field( u64, root_objectid )
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__field( u64, bg_objectid )
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__field( u64, flags )
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@ -949,6 +953,7 @@ DECLARE_EVENT_CLASS(btrfs__reserve_extent,
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),
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TP_fast_assign(
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memcpy(__entry->fsid, root->fs_info->fsid, BTRFS_UUID_SIZE);
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__entry->root_objectid = root->root_key.objectid;
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__entry->bg_objectid = block_group->key.objectid;
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__entry->flags = block_group->flags;
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@ -956,8 +961,8 @@ DECLARE_EVENT_CLASS(btrfs__reserve_extent,
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__entry->len = len;
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),
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TP_printk("root = %Lu(%s), block_group = %Lu, flags = %Lu(%s), "
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"start = %Lu, len = %Lu",
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TP_printk("%pU: root = %Lu(%s), block_group = %Lu, flags = %Lu(%s), "
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"start = %Lu, len = %Lu", __entry->fsid,
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show_root_type(__entry->root_objectid), __entry->bg_objectid,
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__entry->flags, __print_flags((unsigned long)__entry->flags,
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"|", BTRFS_GROUP_FLAGS),
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