From 2bcc0328c3a043880796a602c75fbeb1537aa1e1 Mon Sep 17 00:00:00 2001 From: Liu Bo Date: Thu, 29 Mar 2012 09:57:44 -0400 Subject: [PATCH] Btrfs: show useful info in space reservation tracepoint o For space info, the type of space info is useful for debug. o For transaction handle, its transid is useful. Signed-off-by: Liu Bo Signed-off-by: Chris Mason --- fs/btrfs/extent-tree.c | 29 ++++++++++------------------- fs/btrfs/inode-map.c | 6 ++---- fs/btrfs/transaction.c | 3 +-- 3 files changed, 13 insertions(+), 25 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 8fe517bd8521..7c233407beee 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3363,8 +3363,7 @@ commit_trans: } data_sinfo->bytes_may_use += bytes; trace_btrfs_space_reservation(root->fs_info, "space_info", - (u64)(unsigned long)data_sinfo, - bytes, 1); + data_sinfo->flags, bytes, 1); spin_unlock(&data_sinfo->lock); return 0; @@ -3385,8 +3384,7 @@ void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes) spin_lock(&data_sinfo->lock); data_sinfo->bytes_may_use -= bytes; trace_btrfs_space_reservation(root->fs_info, "space_info", - (u64)(unsigned long)data_sinfo, - bytes, 0); + data_sinfo->flags, bytes, 0); spin_unlock(&data_sinfo->lock); } @@ -3751,9 +3749,7 @@ again: if (used + orig_bytes <= space_info->total_bytes) { space_info->bytes_may_use += orig_bytes; trace_btrfs_space_reservation(root->fs_info, - "space_info", - (u64)(unsigned long)space_info, - orig_bytes, 1); + "space_info", space_info->flags, orig_bytes, 1); ret = 0; } else { /* @@ -3822,9 +3818,7 @@ again: if (used + num_bytes < space_info->total_bytes + avail) { space_info->bytes_may_use += orig_bytes; trace_btrfs_space_reservation(root->fs_info, - "space_info", - (u64)(unsigned long)space_info, - orig_bytes, 1); + "space_info", space_info->flags, orig_bytes, 1); ret = 0; } else { wait_ordered = true; @@ -3970,8 +3964,7 @@ static void block_rsv_release_bytes(struct btrfs_fs_info *fs_info, spin_lock(&space_info->lock); space_info->bytes_may_use -= num_bytes; trace_btrfs_space_reservation(fs_info, "space_info", - (u64)(unsigned long)space_info, - num_bytes, 0); + space_info->flags, num_bytes, 0); space_info->reservation_progress++; spin_unlock(&space_info->lock); } @@ -4189,14 +4182,14 @@ static void update_global_block_rsv(struct btrfs_fs_info *fs_info) block_rsv->reserved += num_bytes; sinfo->bytes_may_use += num_bytes; trace_btrfs_space_reservation(fs_info, "space_info", - (u64)(unsigned long)sinfo, num_bytes, 1); + sinfo->flags, num_bytes, 1); } if (block_rsv->reserved >= block_rsv->size) { num_bytes = block_rsv->reserved - block_rsv->size; sinfo->bytes_may_use -= num_bytes; trace_btrfs_space_reservation(fs_info, "space_info", - (u64)(unsigned long)sinfo, num_bytes, 0); + sinfo->flags, num_bytes, 0); sinfo->reservation_progress++; block_rsv->reserved = block_rsv->size; block_rsv->full = 1; @@ -4250,8 +4243,7 @@ void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans, return; trace_btrfs_space_reservation(root->fs_info, "transaction", - (u64)(unsigned long)trans, - trans->bytes_reserved, 0); + trans->transid, trans->bytes_reserved, 0); btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved); trans->bytes_reserved = 0; } @@ -4770,9 +4762,8 @@ static int btrfs_update_reserved_bytes(struct btrfs_block_group_cache *cache, space_info->bytes_reserved += num_bytes; if (reserve == RESERVE_ALLOC) { trace_btrfs_space_reservation(cache->fs_info, - "space_info", - (u64)(unsigned long)space_info, - num_bytes, 0); + "space_info", space_info->flags, + num_bytes, 0); space_info->bytes_may_use -= num_bytes; } } diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index 7ca46e6e11ae..b1a1c929ba80 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -439,8 +439,7 @@ int btrfs_save_ino_cache(struct btrfs_root *root, if (ret) goto out; trace_btrfs_space_reservation(root->fs_info, "ino_cache", - (u64)(unsigned long)trans, - trans->bytes_reserved, 1); + trans->transid, trans->bytes_reserved, 1); again: inode = lookup_free_ino_inode(root, path); if (IS_ERR(inode) && (PTR_ERR(inode) != -ENOENT || retry)) { @@ -507,8 +506,7 @@ out_put: iput(inode); out_release: trace_btrfs_space_reservation(root->fs_info, "ino_cache", - (u64)(unsigned long)trans, - trans->bytes_reserved, 0); + trans->transid, trans->bytes_reserved, 0); btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved); out: trans->block_rsv = rsv; diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 63f835aa9788..8da29e8e4de1 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -337,8 +337,7 @@ again: if (num_bytes) { trace_btrfs_space_reservation(root->fs_info, "transaction", - (u64)(unsigned long)h, - num_bytes, 1); + h->transid, num_bytes, 1); h->block_rsv = &root->fs_info->trans_block_rsv; h->bytes_reserved = num_bytes; } -- 2.20.1