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Btrfs: show useful info in space reservation tracepoint

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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>
This commit is contained in:
Liu Bo 2012-03-29 09:57:44 -04:00 • committed by Chris Mason
parent 7ca4be45a0
commit 2bcc0328c3
3 changed files with 13 additions and 25 deletions
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6
fs/btrfs/inode-map.c
View file

@ -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;