linux-kernel - [PATCH 3/5] libceph: Remove unused ceph_osdc_watch

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Message-ID: <20241006011956.373622-4-linux@treblig.org>
Date: Sun,  6 Oct 2024 02:19:54 +0100
From: linux@...blig.org
To: xiubli@...hat.com,
	idryomov@...il.com,
	ceph-devel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH 3/5] libceph: Remove unused ceph_osdc_watch_check

From: "Dr. David Alan Gilbert" <linux@...blig.org>

ceph_osdc_watch_check() has been unused since it was added in commit
b07d3c4bd727 ("libceph: support for checking on status of watch")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 include/linux/ceph/osd_client.h |  2 --
 net/ceph/osd_client.c           | 34 ---------------------------------
 2 files changed, 36 deletions(-)

diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index d7941478158c..d55b30057a45 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -626,8 +626,6 @@ int ceph_osdc_notify(struct ceph_osd_client *osdc,
 		     u32 timeout,
 		     struct page ***preply_pages,
 		     size_t *preply_len);
-int ceph_osdc_watch_check(struct ceph_osd_client *osdc,
-			  struct ceph_osd_linger_request *lreq);
 int ceph_osdc_list_watchers(struct ceph_osd_client *osdc,
 			    struct ceph_object_id *oid,
 			    struct ceph_object_locator *oloc,
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 9d078b37fe0b..9b1168eb77ab 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -4999,40 +4999,6 @@ int ceph_osdc_notify(struct ceph_osd_client *osdc,
 }
 EXPORT_SYMBOL(ceph_osdc_notify);
 
-/*
- * Return the number of milliseconds since the watch was last
- * confirmed, or an error.  If there is an error, the watch is no
- * longer valid, and should be destroyed with ceph_osdc_unwatch().
- */
-int ceph_osdc_watch_check(struct ceph_osd_client *osdc,
-			  struct ceph_osd_linger_request *lreq)
-{
-	unsigned long stamp, age;
-	int ret;
-
-	down_read(&osdc->lock);
-	mutex_lock(&lreq->lock);
-	stamp = lreq->watch_valid_thru;
-	if (!list_empty(&lreq->pending_lworks)) {
-		struct linger_work *lwork =
-		    list_first_entry(&lreq->pending_lworks,
-				     struct linger_work,
-				     pending_item);
-
-		if (time_before(lwork->queued_stamp, stamp))
-			stamp = lwork->queued_stamp;
-	}
-	age = jiffies - stamp;
-	dout("%s lreq %p linger_id %llu age %lu last_error %d\n", __func__,
-	     lreq, lreq->linger_id, age, lreq->last_error);
-	/* we are truncating to msecs, so return a safe upper bound */
-	ret = lreq->last_error ?: 1 + jiffies_to_msecs(age);
-
-	mutex_unlock(&lreq->lock);
-	up_read(&osdc->lock);
-	return ret;
-}
-
 static int decode_watcher(void **p, void *end, struct ceph_watch_item *item)
 {
 	u8 struct_v;
-- 
2.46.2