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staging: lustre: llite: speedup in unlink/rmdir

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Assume dchild argument is fully initialized in ->unlink and
->rmdir callbacks, so additional lookup for ELC is not needed.

Signed-off-by: Andrew Perepechko <andrew_perepechko@xyratex.com>
Reviewed-by: Alexander Boyko <Alexander_Boyko@xyratex.com>
Reviewed-by: Vitaly Fertman <Vitaly_Fertman@xyratex.com>
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 <fan.yong@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrew Perepechko 2016-04-12 16:14:06 -04:00 committed by Greg Kroah-Hartman
parent 96d61c247e
commit 3c4b9d0972
1 changed files with 11 additions and 10 deletions
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21
drivers/staging/lustre/lustre/llite/namei.c
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@ -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,