530 static void ceph_queue_cap_snap(struct ceph_inode_info *ci,  in ceph_queue_cap_snap()  argument
533 	struct inode *inode = &ci->netfs.inode;  in ceph_queue_cap_snap()
540 	spin_lock(&ci->i_ceph_lock);  in ceph_queue_cap_snap()
541 	used = __ceph_caps_used(ci);  in ceph_queue_cap_snap()
542 	dirty = __ceph_caps_dirty(ci);  in ceph_queue_cap_snap()
544 	old_snapc = ci->i_head_snapc;  in ceph_queue_cap_snap()
545 	new_snapc = ci->i_snap_realm->cached_context;  in ceph_queue_cap_snap()
555 	if (__ceph_have_pending_cap_snap(ci)) {  in ceph_queue_cap_snap()
564 	if (ci->i_wrbuffer_ref_head == 0 &&  in ceph_queue_cap_snap()
586 		    ci->i_wrbuffer_ref_head == 0) {  in ceph_queue_cap_snap()
599 	capsnap->issued = __ceph_caps_issued(ci, NULL);  in ceph_queue_cap_snap()
607 		old_blob = __ceph_build_xattrs_blob(ci);  in ceph_queue_cap_snap()
609 			ceph_buffer_get(ci->i_xattrs.blob);  in ceph_queue_cap_snap()
610 		capsnap->xattr_version = ci->i_xattrs.version;  in ceph_queue_cap_snap()
616 	capsnap->inline_data = ci->i_inline_version != CEPH_INLINE_NONE;  in ceph_queue_cap_snap()
621 	capsnap->dirty_pages = ci->i_wrbuffer_ref_head;  in ceph_queue_cap_snap()
622 	ci->i_wrbuffer_ref_head = 0;  in ceph_queue_cap_snap()
624 	list_add_tail(&capsnap->ci_item, &ci->i_cap_snaps);  in ceph_queue_cap_snap()
633 		__ceph_finish_cap_snap(ci, capsnap);  in ceph_queue_cap_snap()
639 	if (ci->i_wrbuffer_ref_head == 0 &&  in ceph_queue_cap_snap()
640 	    ci->i_wr_ref == 0 &&  in ceph_queue_cap_snap()
641 	    ci->i_dirty_caps == 0 &&  in ceph_queue_cap_snap()
642 	    ci->i_flushing_caps == 0) {  in ceph_queue_cap_snap()
643 		ci->i_head_snapc = NULL;  in ceph_queue_cap_snap()
645 		ci->i_head_snapc = ceph_get_snap_context(new_snapc);  in ceph_queue_cap_snap()
648 	spin_unlock(&ci->i_ceph_lock);  in ceph_queue_cap_snap()
662 int __ceph_finish_cap_snap(struct ceph_inode_info *ci,  in __ceph_finish_cap_snap()  argument
665 	struct inode *inode = &ci->netfs.inode;  in __ceph_finish_cap_snap()
674 	capsnap->btime = ci->i_btime;  in __ceph_finish_cap_snap()
676 	capsnap->time_warp_seq = ci->i_time_warp_seq;  in __ceph_finish_cap_snap()
677 	capsnap->truncate_size = ci->i_truncate_size;  in __ceph_finish_cap_snap()
678 	capsnap->truncate_seq = ci->i_truncate_seq;  in __ceph_finish_cap_snap()
693 	if (ci->i_wrbuffer_ref) {  in __ceph_finish_cap_snap()
703 	set_bit(CEPH_I_FLUSH_SNAPS_BIT, &ci->i_ceph_flags);  in __ceph_finish_cap_snap()
710 	if (list_empty(&ci->i_snap_flush_item)) {  in __ceph_finish_cap_snap()
712 		list_add_tail(&ci->i_snap_flush_item, &mdsc->snap_flush_list);  in __ceph_finish_cap_snap()
726 	struct ceph_inode_info *ci;  in queue_realm_cap_snaps()  local
733 	list_for_each_entry(ci, &realm->inodes_with_caps, i_snap_realm_item) {  in queue_realm_cap_snaps()
734 		struct inode *inode = igrab(&ci->netfs.inode);  in queue_realm_cap_snaps()
761 		ceph_queue_cap_snap(ci, &capsnap);  in queue_realm_cap_snaps()
945 	struct ceph_inode_info *ci;  in flush_snaps()  local
952 		ci = list_first_entry(&mdsc->snap_flush_list,  in flush_snaps()
954 		inode = &ci->netfs.inode;  in flush_snaps()
957 		ceph_flush_snaps(ci, &session);  in flush_snaps()
979 	struct ceph_inode_info *ci = ceph_inode(inode);  in ceph_change_snap_realm()  local
981 	struct ceph_snap_realm *oldrealm = ci->i_snap_realm;  in ceph_change_snap_realm()
983 	lockdep_assert_held(&ci->i_ceph_lock);  in ceph_change_snap_realm()
987 		list_del_init(&ci->i_snap_realm_item);  in ceph_change_snap_realm()
988 		if (oldrealm->ino == ci->i_vino.ino)  in ceph_change_snap_realm()
994 	ci->i_snap_realm = realm;  in ceph_change_snap_realm()
998 		list_add(&ci->i_snap_realm_item, &realm->inodes_with_caps);  in ceph_change_snap_realm()
999 		if (realm->ino == ci->i_vino.ino)  in ceph_change_snap_realm()
1090 			struct ceph_inode_info *ci;  in ceph_handle_snap()  local
1094 			ci = ceph_inode(inode);  in ceph_handle_snap()
1096 			spin_lock(&ci->i_ceph_lock);  in ceph_handle_snap()
1097 			if (!ci->i_snap_realm)  in ceph_handle_snap()
1106 			if (ci->i_snap_realm->created >  in ceph_handle_snap()
1109 				      inode, ceph_vinop(inode), ci->i_snap_realm->ino,  in ceph_handle_snap()
1110 				      ci->i_snap_realm);  in ceph_handle_snap()
1118 			spin_unlock(&ci->i_ceph_lock);  in ceph_handle_snap()
1123 			spin_unlock(&ci->i_ceph_lock);  in ceph_handle_snap()