When debugging ENOSPC issues, it's nice to be able to see which reservations failed as well as the ones which succeeded.
Signed-off-by: Jeff Mahoney <[email protected]> --- fs/btrfs/extent-tree.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/fs/btrfs/extent-tree.c 2013-10-13 18:41:28.000000000 -0400 +++ b/fs/btrfs/extent-tree.c 2013-10-16 16:23:27.986639216 -0400 @@ -3681,6 +3681,9 @@ commit_trans: goto again; } + trace_btrfs_space_reservation(root->fs_info, + "space_info:enospc", + data_sinfo->flags, bytes, 1); return -ENOSPC; } data_sinfo->bytes_may_use += bytes; @@ -4332,6 +4335,10 @@ out: !block_rsv_use_bytes(global_rsv, orig_bytes)) ret = 0; } + if (ret == -ENOSPC) + trace_btrfs_space_reservation(root->fs_info, + "space_info:enospc", + space_info->flags, orig_bytes, 1); if (flushing) { spin_lock(&space_info->lock); space_info->flush = 0; -- Jeff Mahoney SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
