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authorJosef Bacik <jbacik@fb.com>2016-03-25 13:25:52 -0400
committerDavid Sterba <dsterba@suse.com>2016-07-07 18:45:53 +0200
commitc83f8effefa46c15f2fd43de598d9839d0056096 (patch)
treec94b37edea283c007446965fb5ea4bd8d7158b63 /fs
parentd555b6c380c644af63dbdaa7cc14bba041a4e4dd (diff)
downloadop-kernel-dev-c83f8effefa46c15f2fd43de598d9839d0056096.zip
op-kernel-dev-c83f8effefa46c15f2fd43de598d9839d0056096.tar.gz
Btrfs: add tracepoint for adding block groups
I'm writing a tool to visualize the enospc system inside btrfs, I need this tracepoint in order to keep track of the block groups in the system. Thanks, Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/extent-tree.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a1355a3..aae7b04 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -9994,6 +9994,7 @@ int btrfs_read_block_groups(struct btrfs_root *root)
goto error;
}
+ trace_btrfs_add_block_group(root->fs_info, cache, 0);
ret = update_space_info(info, cache->flags, found_key.offset,
btrfs_block_group_used(&cache->item),
cache->bytes_super, &space_info);
@@ -10164,6 +10165,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
* Now that our block group has its ->space_info set and is inserted in
* the rbtree, update the space info's counters.
*/
+ trace_btrfs_add_block_group(root->fs_info, cache, 1);
ret = update_space_info(root->fs_info, cache->flags, size, bytes_used,
cache->bytes_super, &cache->space_info);
if (ret) {
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