74 	struct ceph_snap_context *snapc;  in ceph_set_page_dirty()  local
94 	snapc = ceph_get_snap_context(ci->i_snap_realm->cached_context);  in ceph_set_page_dirty()
99 		ci->i_head_snapc = ceph_get_snap_context(snapc);  in ceph_set_page_dirty()
109 	     snapc, snapc->seq, snapc->num_snaps);  in ceph_set_page_dirty()
117 	page->private = (unsigned long)snapc;  in ceph_set_page_dirty()
137 	struct ceph_snap_context *snapc = page_snap_context(page);  in ceph_invalidatepage()  local
166 	ceph_put_wrbuffer_cap_refs(ci, 1, snapc);  in ceph_invalidatepage()
167 	ceph_put_snap_context(snapc);  in ceph_invalidatepage()
442 	struct ceph_snap_context *snapc = NULL;  in get_oldest_context()  local
450 			snapc = ceph_get_snap_context(capsnap->context);  in get_oldest_context()
456 	if (!snapc && ci->i_wrbuffer_ref_head) {  in get_oldest_context()
457 		snapc = ceph_get_snap_context(ci->i_head_snapc);  in get_oldest_context()
459 		     snapc, ci->i_wrbuffer_ref_head);  in get_oldest_context()
462 	return snapc;  in get_oldest_context()
477 	struct ceph_snap_context *snapc, *oldest;  in writepage_nounlock()  local
496 	snapc = page_snap_context(page);  in writepage_nounlock()
497 	if (snapc == NULL) {  in writepage_nounlock()
502 	if (snapc->seq > oldest->seq) {  in writepage_nounlock()
504 		     inode, page, snapc);  in writepage_nounlock()
528 	     inode, page, page->index, page_off, len, snapc);  in writepage_nounlock()
539 				   &ci->i_layout, snapc,  in writepage_nounlock()
556 	ceph_put_wrbuffer_cap_refs(ci, 1, snapc);  in writepage_nounlock()
557 	ceph_put_snap_context(snapc);  /* page's reference */  in writepage_nounlock()
608 	struct ceph_snap_context *snapc = req->r_snapc;  in writepages_finish()  local
666 	ceph_put_wrbuffer_cap_refs(ci, num_pages, snapc);  in writepages_finish()
691 	struct ceph_snap_context *snapc = NULL, *last_snapc = NULL, *pgsnapc;  in ceph_writepages_start()  local
743 	ceph_put_snap_context(snapc);  in ceph_writepages_start()
745 	snapc = get_oldest_context(inode, &snap_size);  in ceph_writepages_start()
746 	if (!snapc) {  in ceph_writepages_start()
755 	     snapc, snapc->seq, snapc->num_snaps);  in ceph_writepages_start()
764 	if (last_snapc && snapc != last_snapc) {  in ceph_writepages_start()
771 	last_snapc = snapc;  in ceph_writepages_start()
845 			if (pgsnapc->seq > snapc->seq) {  in ceph_writepages_start()
847 				     pgsnapc, pgsnapc->seq, snapc, snapc->seq);  in ceph_writepages_start()
878 							snapc, truncate_seq,  in ceph_writepages_start()
965 		ceph_osdc_build_request(req, offset, snapc, vino.snap,  in ceph_writepages_start()
1001 	ceph_put_snap_context(snapc);  in ceph_writepages_start()
1012 					   struct ceph_snap_context *snapc)  in context_is_writeable_or_written()  argument
1015 	int ret = !oldest || snapc->seq <= oldest->seq;  in context_is_writeable_or_written()
1041 	struct ceph_snap_context *snapc, *oldest;  in ceph_update_writeable_page()  local
1051 	snapc = page_snap_context(page);  in ceph_update_writeable_page()
1052 	if (snapc && snapc != ci->i_head_snapc) {  in ceph_update_writeable_page()
1060 		if (snapc->seq > oldest->seq) {  in ceph_update_writeable_page()
1063 			     page, snapc);  in ceph_update_writeable_page()
1068 			snapc = ceph_get_snap_context(snapc);  in ceph_update_writeable_page()
1072 			       context_is_writeable_or_written(inode, snapc));  in ceph_update_writeable_page()
1073 			ceph_put_snap_context(snapc);  in ceph_update_writeable_page()
1082 		     page, snapc);  in ceph_update_writeable_page()