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authorLiu Bo <liubo2009@cn.fujitsu.com>2012-03-29 09:57:44 -0400
committerChris Mason <chris.mason@oracle.com>2012-03-29 09:57:44 -0400
commit2bcc0328c3a043880796a602c75fbeb1537aa1e1 (patch)
treeed18c3244abeda587b56498ca5da5609f3555d99 /fs/btrfs
parent7ca4be45a0255ac8f08c05491c6add2dd87dd4f8 (diff)
downloadlinux-stericsson-2bcc0328c3a043880796a602c75fbeb1537aa1e1.tar.gz
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 <liubo2009@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/extent-tree.c29
-rw-r--r--fs/btrfs/inode-map.c6
-rw-r--r--fs/btrfs/transaction.c3
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;
}