From 3c4b9d09729cb04070edb167c813884507f4e433 Mon Sep 17 00:00:00 2001 From: Andrew Perepechko Date: Tue, 12 Apr 2016 16:14:06 -0400 Subject: [PATCH] staging: lustre: llite: speedup in unlink/rmdir Assume dchild argument is fully initialized in ->unlink and ->rmdir callbacks, so additional lookup for ELC is not needed. Signed-off-by: Andrew Perepechko Reviewed-by: Alexander Boyko Reviewed-by: Vitaly Fertman Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3473 Xyratex-bug-id: MRP-1027 Reviewed-on: http://review.whamcloud.com/6648 Reviewed-by: Fan Yong Reviewed-by: Andreas Dilger Reviewed-by: Oleg Drokin Signed-off-by: James Simmons Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/llite/namei.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c index 73e61cf..9fa862b 100644 --- a/drivers/staging/lustre/lustre/llite/namei.c +++ b/drivers/staging/lustre/lustre/llite/namei.c @@ -847,12 +847,6 @@ static int ll_create_nd(struct inode *dir, struct dentry *dentry, return rc; } -static inline void ll_get_child_fid(struct dentry *child, struct lu_fid *fid) -{ - if (d_really_is_positive(child)) - *fid = *ll_inode2fid(d_inode(child)); -} - int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir) { struct mdt_body *body; @@ -945,7 +939,9 @@ static int ll_unlink(struct inode *dir, struct dentry *dchild) if (IS_ERR(op_data)) return PTR_ERR(op_data); - ll_get_child_fid(dchild, &op_data->op_fid3); + if (dchild && dchild->d_inode) + op_data->op_fid3 = *ll_inode2fid(dchild->d_inode); + 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); @@ -995,7 +991,9 @@ static int ll_rmdir(struct inode *dir, struct dentry *dchild) if (IS_ERR(op_data)) return PTR_ERR(op_data); - ll_get_child_fid(dchild, &op_data->op_fid3); + if (dchild && dchild->d_inode) + op_data->op_fid3 = *ll_inode2fid(dchild->d_inode); + 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); @@ -1076,8 +1074,11 @@ static int ll_rename(struct inode *src, struct dentry *src_dchild, if (IS_ERR(op_data)) return PTR_ERR(op_data); - ll_get_child_fid(src_dchild, &op_data->op_fid3); - ll_get_child_fid(tgt_dchild, &op_data->op_fid4); + if (src_dchild && src_dchild->d_inode) + op_data->op_fid3 = *ll_inode2fid(src_dchild->d_inode); + if (tgt_dchild && tgt_dchild->d_inode) + op_data->op_fid4 = *ll_inode2fid(tgt_dchild->d_inode); + err = md_rename(sbi->ll_md_exp, op_data, src_dchild->d_name.name, src_dchild->d_name.len, -- 2.7.4