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authorJosef Bacik <jbacik@fb.com>2016-01-13 21:21:20 +0300
committerDavid Sterba <dsterba@suse.com>2016-02-18 13:22:41 +0300
commit88d3a5aaf6171d9a222961837ba329b850f140e3 (patch)
tree299737a955fc7d32f0edd0fdd8a16c60522fe677 /fs/btrfs/transaction.c
parentdc95f7bfc57fa4b75a77d0da84d5db249d74aa3f (diff)
downloadlinux-88d3a5aaf6171d9a222961837ba329b850f140e3.tar.xz
Btrfs: add transaction space reservation tracepoints
There are a few places where we add to trans->bytes_reserved but don't have the corresponding trace point. With these added my tool no longer sees transaction leaks. Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r--fs/btrfs/transaction.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index b6031ce474f7..e9e95ef0644f 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -637,6 +637,8 @@ struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv(
trans->block_rsv = &root->fs_info->trans_block_rsv;
trans->bytes_reserved = num_bytes;
+ trace_btrfs_space_reservation(root->fs_info, "transaction",
+ trans->transid, num_bytes, 1);
return trans;
}
@@ -1375,7 +1377,9 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
rsv = trans->block_rsv;
trans->block_rsv = &pending->block_rsv;
trans->bytes_reserved = trans->block_rsv->reserved;
-
+ trace_btrfs_space_reservation(root->fs_info, "transaction",
+ trans->transid,
+ trans->bytes_reserved, 1);
dentry = pending->dentry;
parent_inode = pending->dir;
parent_root = BTRFS_I(parent_inode)->root;