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Subject[PATCH v2 02/29] staging/lustre/llite: correct request handling after ll_lookup_it()
Date
From: "John L. Hammond" <john.hammond@intel.com>

In the FIFO cases of ll_atomic_open() and ll_lookup_nd() remove
spurious calls to ptlrpc_req_finished(). Explain that these cases are
unreachable in practice anyway.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Reviewed-on: http://review.whamcloud.com/17068
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7402
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
---
drivers/staging/lustre/lustre/llite/namei.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c
index d7459bd..6414d52 100644
--- a/drivers/staging/lustre/lustre/llite/namei.c
+++ b/drivers/staging/lustre/lustre/llite/namei.c
@@ -622,13 +622,10 @@ static int ll_atomic_open(struct inode *dir, struct dentry *dentry,
if (d_really_is_positive(dentry) && it_disposition(it, DISP_OPEN_OPEN)) {
/* Open dentry. */
if (S_ISFIFO(d_inode(dentry)->i_mode)) {
- /* We cannot call open here as it would
- * deadlock.
+ /* We cannot call open here as it might
+ * deadlock. This case is unreachable in
+ * practice because of OBD_CONNECT_NODEVOH.
*/
- if (it_disposition(it, DISP_ENQ_OPEN_REF))
- ptlrpc_req_finished(
- (struct ptlrpc_request *)
- it->d.lustre.it_data);
rc = finish_no_open(file, de);
} else {
file->private_data = it;
--
2.7.4
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