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btrfs: remove cache only arguments from defrag path

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The entry point at the defrag ioctl always sets "cache only" to 0;
the codepaths haven't run for a long time as far as I can
tell.  Chris says they're dead code, so remove them.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Eric Sandeen 2013-01-31 18:21:12 +00:00 • committed by Josef Bacik
parent e4a2bcaca9
commit de78b51a28
7 changed files with 32 additions and 82 deletions
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8
fs/btrfs/transaction.c
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@ -959,10 +959,10 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans,
}
/*
* defrag a given btree. If cacheonly == 1, this won't read from the disk,
* otherwise every leaf in the btree is read and defragged.
* defrag a given btree.
* Every leaf in the btree is read and defragged.
*/
int btrfs_defrag_root(struct btrfs_root *root, int cacheonly)
int btrfs_defrag_root(struct btrfs_root *root)
{
struct btrfs_fs_info *info = root->fs_info;
struct btrfs_trans_handle *trans;
@ -976,7 +976,7 @@ int btrfs_defrag_root(struct btrfs_root *root, int cacheonly)
if (IS_ERR(trans))
return PTR_ERR(trans);
ret = btrfs_defrag_leaves(trans, root, cacheonly);
ret = btrfs_defrag_leaves(trans, root);
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(info->tree_root);