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staging/lustre/llite: correct request handling after ll_lookup_it()

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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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John L. Hammond 2016-06-20 16:55:25 -04:00 committed by Greg Kroah-Hartman
parent 1b02bde3bc
commit 411c9699df
1 changed files with 3 additions and 6 deletions
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9
drivers/staging/lustre/lustre/llite/namei.c
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@ -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;