From ea4df502dcee1d7ff394282f81c640e6a14e1997 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Oct 2014 23:31:54 -0400 Subject: [PATCH] ll_get_child_fid(): callers already have the child no need to bother with d_lookup() Signed-off-by: Al Viro --- drivers/staging/lustre/lustre/llite/namei.c | 24 ++++++--------------- 1 file changed, 7 insertions(+), 17 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c index e1434bb55822..572e7f7ce6a0 100644 --- a/drivers/staging/lustre/lustre/llite/namei.c +++ b/drivers/staging/lustre/lustre/llite/namei.c @@ -909,20 +909,10 @@ out: return err; } -/* Try to find the child dentry by its name. - If found, put the result fid into @fid. */ -static void ll_get_child_fid(struct inode * dir, struct qstr *name, - struct lu_fid *fid) +static inline void ll_get_child_fid(struct dentry *child, struct lu_fid *fid) { - struct dentry *parent, *child; - - parent = ll_d_hlist_entry(dir->i_dentry, struct dentry, d_u.d_alias); - child = d_lookup(parent, name); - if (child) { - if (child->d_inode) - *fid = *ll_inode2fid(child->d_inode); - dput(child); - } + if (child->d_inode) + *fid = *ll_inode2fid(child->d_inode); } /** @@ -1057,7 +1047,7 @@ static int ll_unlink(struct inode * dir, struct dentry *dentry) if (IS_ERR(op_data)) return PTR_ERR(op_data); - ll_get_child_fid(dir, &dentry->d_name, &op_data->op_fid3); + ll_get_child_fid(dentry, &op_data->op_fid3); op_data->op_fid2 = op_data->op_fid3; rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request); ll_finish_md_op_data(op_data); @@ -1110,7 +1100,7 @@ static int ll_rmdir(struct inode *dir, struct dentry *dentry) if (IS_ERR(op_data)) return PTR_ERR(op_data); - ll_get_child_fid(dir, &dentry->d_name, &op_data->op_fid3); + ll_get_child_fid(dentry, &op_data->op_fid3); op_data->op_fid2 = op_data->op_fid3; rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request); ll_finish_md_op_data(op_data); @@ -1171,8 +1161,8 @@ static int ll_rename(struct inode *old_dir, struct dentry *old_dentry, if (IS_ERR(op_data)) return PTR_ERR(op_data); - ll_get_child_fid(old_dir, &old_dentry->d_name, &op_data->op_fid3); - ll_get_child_fid(new_dir, &new_dentry->d_name, &op_data->op_fid4); + ll_get_child_fid(old_dentry, &op_data->op_fid3); + ll_get_child_fid(new_dentry, &op_data->op_fid4); err = md_rename(sbi->ll_md_exp, op_data, old_dentry->d_name.name, old_dentry->d_name.len, -- 2.34.1