Merge tag 'ceph-for-6.9-rc4' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Two CephFS fixes marked for stable and a MAINTAINERS update"

* tag 'ceph-for-6.9-rc4' of https://github.com/ceph/ceph-client:
  MAINTAINERS: remove myself as a Reviewer for Ceph
  ceph: switch to use cap_delay_lock for the unlink delay list
  ceph: redirty page before returning AOP_WRITEPAGE_ACTIVATE

Author: torvalds

MAINTAINERS

@@ -4869,7 +4869,6 @@ F:	drivers/power/supply/cw2015_battery.c
 CEPH COMMON CODE (LIBCEPH)
 M:	Ilya Dryomov <[email protected]>
 M:	Xiubo Li <[email protected]>
-R:	Jeff Layton <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://ceph.com/
@@ -4881,7 +4880,6 @@ F:	net/ceph/
 CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)
 M:	Xiubo Li <[email protected]>
 M:	Ilya Dryomov <[email protected]>
-R:	Jeff Layton <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://ceph.com/

fs/ceph/addr.c

@@ -795,8 +795,10 @@ static int ceph_writepage(struct page *page, struct writeback_control *wbc)
 	ihold(inode);
 
 	if (wbc->sync_mode == WB_SYNC_NONE &&
-	    ceph_inode_to_fs_client(inode)->write_congested)
+	    ceph_inode_to_fs_client(inode)->write_congested) {
+		redirty_page_for_writepage(wbc, page);
 		return AOP_WRITEPAGE_ACTIVATE;
+	}
 
 	wait_on_page_fscache(page);
 

fs/ceph/caps.c

@@ -4783,13 +4783,13 @@ int ceph_drop_caps_for_unlink(struct inode *inode)
 
 			doutc(mdsc->fsc->client, "%p %llx.%llx\n", inode,
 			      ceph_vinop(inode));
-			spin_lock(&mdsc->cap_unlink_delay_lock);
+			spin_lock(&mdsc->cap_delay_lock);
 			ci->i_ceph_flags |= CEPH_I_FLUSH;
 			if (!list_empty(&ci->i_cap_delay_list))
 				list_del_init(&ci->i_cap_delay_list);
 			list_add_tail(&ci->i_cap_delay_list,
 				      &mdsc->cap_unlink_delay_list);
-			spin_unlock(&mdsc->cap_unlink_delay_lock);
+			spin_unlock(&mdsc->cap_delay_lock);
 
 			/*
 			 * Fire the work immediately, because the MDS maybe

fs/ceph/mds_client.c

@@ -2504,7 +2504,7 @@ static void ceph_cap_unlink_work(struct work_struct *work)
 	struct ceph_client *cl = mdsc->fsc->client;
 
 	doutc(cl, "begin\n");
-	spin_lock(&mdsc->cap_unlink_delay_lock);
+	spin_lock(&mdsc->cap_delay_lock);
 	while (!list_empty(&mdsc->cap_unlink_delay_list)) {
 		struct ceph_inode_info *ci;
 		struct inode *inode;
@@ -2516,15 +2516,15 @@ static void ceph_cap_unlink_work(struct work_struct *work)
 
 		inode = igrab(&ci->netfs.inode);
 		if (inode) {
-			spin_unlock(&mdsc->cap_unlink_delay_lock);
+			spin_unlock(&mdsc->cap_delay_lock);
 			doutc(cl, "on %p %llx.%llx\n", inode,
 			      ceph_vinop(inode));
 			ceph_check_caps(ci, CHECK_CAPS_FLUSH);
 			iput(inode);
-			spin_lock(&mdsc->cap_unlink_delay_lock);
+			spin_lock(&mdsc->cap_delay_lock);
 		}
 	}
-	spin_unlock(&mdsc->cap_unlink_delay_lock);
+	spin_unlock(&mdsc->cap_delay_lock);
 	doutc(cl, "done\n");
 }
 
@@ -5404,7 +5404,6 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
 	INIT_LIST_HEAD(&mdsc->cap_wait_list);
 	spin_lock_init(&mdsc->cap_delay_lock);
 	INIT_LIST_HEAD(&mdsc->cap_unlink_delay_list);
-	spin_lock_init(&mdsc->cap_unlink_delay_lock);
 	INIT_LIST_HEAD(&mdsc->snap_flush_list);
 	spin_lock_init(&mdsc->snap_flush_lock);
 	mdsc->last_cap_flush_tid = 1;

fs/ceph/mds_client.h

@@ -461,9 +461,8 @@ struct ceph_mds_client {
 	struct delayed_work    delayed_work;  /* delayed work */
 	unsigned long    last_renew_caps;  /* last time we renewed our caps */
 	struct list_head cap_delay_list;   /* caps with delayed release */
-	spinlock_t       cap_delay_lock;   /* protects cap_delay_list */
 	struct list_head cap_unlink_delay_list;  /* caps with delayed release for unlink */
-	spinlock_t       cap_unlink_delay_lock;  /* protects cap_unlink_delay_list */
+	spinlock_t       cap_delay_lock;   /* protects cap_delay_list and cap_unlink_delay_list */
 	struct list_head snap_flush_list;  /* cap_snaps ready to flush */
 	spinlock_t       snap_flush_lock;