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btrfs: use fs_info for btrfs_handle_em_exist tracepoint

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We really want to know to which filesystem the extent map events belong,
but as it cannot be reached from the extent_map pointers, we need to
pass it down the callchain.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2018-04-03 21:45:57 +02:00
parent 0e08eb9b1c
commit f46b24c945
5 changed files with 18 additions and 13 deletions
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3
fs/btrfs/extent_map.h
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@@ -92,7 +92,8 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, u64 gen
void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em);
struct extent_map *search_extent_mapping(struct extent_map_tree *tree,
u64 start, u64 len);
int btrfs_add_extent_mapping(struct extent_map_tree *em_tree,
int btrfs_add_extent_mapping(struct btrfs_fs_info *fs_info,
struct extent_map_tree *em_tree,
struct extent_map **em_in, u64 start, u64 len);
#endif