diff options
| author | Oleg Drokin <green@linuxhacker.ru> | 2015-10-01 00:12:26 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-02 11:17:19 +0200 |
| commit | e306fc791709e979634075a01c902c11d5b20b02 (patch) | |
| tree | 8a091efdc94351b437f25e38d083b751860bdc5e /drivers/staging/lustre/lustre/ldlm | |
| parent | 38c3f17fcac1c5de10db7306e585b62577e55bcb (diff) | |
staging/lustre/ldlm: Remove ldlm_glimpse_ast()
Only used on the server.
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm')
| -rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_request.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c index c73661cae8af..a9159fda937b 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c @@ -358,34 +358,6 @@ int ldlm_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, } EXPORT_SYMBOL(ldlm_blocking_ast); -/** - * ->l_glimpse_ast() for DLM extent locks acquired on the server-side. See - * comment in filter_intent_policy() on why you may need this. - */ -int ldlm_glimpse_ast(struct ldlm_lock *lock, void *reqp) -{ - /* - * Returning -ELDLM_NO_LOCK_DATA actually works, but the reason for - * that is rather subtle: with OST-side locking, it may so happen that - * _all_ extent locks are held by the OST. If client wants to obtain - * current file size it calls ll{,u}_glimpse_size(), and (as locks are - * on the server), dummy glimpse callback fires and does - * nothing. Client still receives correct file size due to the - * following fragment in filter_intent_policy(): - * - * rc = l->l_glimpse_ast(l, NULL); // this will update the LVB - * if (rc != 0 && res->lr_namespace->ns_lvbo && - * res->lr_namespace->ns_lvbo->lvbo_update) { - * res->lr_namespace->ns_lvbo->lvbo_update(res, NULL, 0, 1); - * } - * - * that is, after glimpse_ast() fails, filter_lvbo_update() runs, and - * returns correct file size to the client. - */ - return -ELDLM_NO_LOCK_DATA; -} -EXPORT_SYMBOL(ldlm_glimpse_ast); - static void failed_lock_cleanup(struct ldlm_namespace *ns, struct ldlm_lock *lock, int mode) { |