1423 		struct ceph_cap_snap *capsnap;  in __prep_cap()  local
1424 		list_for_each_entry_reverse(capsnap, &ci->i_cap_snaps, ci_item) {  in __prep_cap()
1425 			if (capsnap->cap_flush.tid)  in __prep_cap()
1427 			if (capsnap->need_flush) {  in __prep_cap()
1466 				    struct ceph_cap_snap *capsnap,  in __send_flush_snap()  argument
1479 	arg.follows = capsnap->follows;  in __send_flush_snap()
1480 	arg.flush_tid = capsnap->cap_flush.tid;  in __send_flush_snap()
1483 	arg.size = capsnap->size;  in __send_flush_snap()
1485 	arg.xattr_version = capsnap->xattr_version;  in __send_flush_snap()
1486 	arg.xattr_buf = capsnap->xattr_blob;  in __send_flush_snap()
1489 	arg.atime = capsnap->atime;  in __send_flush_snap()
1490 	arg.mtime = capsnap->mtime;  in __send_flush_snap()
1491 	arg.ctime = capsnap->ctime;  in __send_flush_snap()
1492 	arg.btime = capsnap->btime;  in __send_flush_snap()
1493 	arg.change_attr = capsnap->change_attr;  in __send_flush_snap()
1496 	arg.caps = capsnap->issued;  in __send_flush_snap()
1498 	arg.dirty = capsnap->dirty;  in __send_flush_snap()
1503 	arg.time_warp_seq = capsnap->time_warp_seq;  in __send_flush_snap()
1505 	arg.uid = capsnap->uid;  in __send_flush_snap()
1506 	arg.gid = capsnap->gid;  in __send_flush_snap()
1507 	arg.mode = capsnap->mode;  in __send_flush_snap()
1509 	arg.inline_data = capsnap->inline_data;  in __send_flush_snap()
1534 	struct ceph_cap_snap *capsnap;  in __ceph_flush_snaps()  local
1540 	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {  in __ceph_flush_snaps()
1545 		if (capsnap->dirty_pages || capsnap->writing)  in __ceph_flush_snaps()
1549 		BUG_ON(!capsnap->need_flush);  in __ceph_flush_snaps()
1552 		if (capsnap->cap_flush.tid > 0) {  in __ceph_flush_snaps()
1553 			dout(" already flushed %p, skipping\n", capsnap);  in __ceph_flush_snaps()
1558 		capsnap->cap_flush.tid = ++mdsc->last_cap_flush_tid;  in __ceph_flush_snaps()
1559 		list_add_tail(&capsnap->cap_flush.g_list,  in __ceph_flush_snaps()
1569 		list_add_tail(&capsnap->cap_flush.i_list,  in __ceph_flush_snaps()
1573 			first_tid = capsnap->cap_flush.tid;  in __ceph_flush_snaps()
1574 		last_tid = capsnap->cap_flush.tid;  in __ceph_flush_snaps()
1603 		capsnap = container_of(cf, struct ceph_cap_snap, cap_flush);  in __ceph_flush_snaps()
1604 		refcount_inc(&capsnap->nref);  in __ceph_flush_snaps()
1608 		     inode, capsnap, cf->tid, ceph_cap_string(capsnap->dirty));  in __ceph_flush_snaps()
1610 		ret = __send_flush_snap(inode, session, capsnap, cap->mseq,  in __ceph_flush_snaps()
1615 				ceph_vinop(inode), cf->tid, capsnap->follows);  in __ceph_flush_snaps()
1618 		ceph_put_cap_snap(capsnap);  in __ceph_flush_snaps()
2496 			struct ceph_cap_snap *capsnap =  in __kick_flushing_caps()  local
2500 			     inode, capsnap, cf->tid,  in __kick_flushing_caps()
2501 			     ceph_cap_string(capsnap->dirty));  in __kick_flushing_caps()
2503 			refcount_inc(&capsnap->nref);  in __kick_flushing_caps()
2506 			ret = __send_flush_snap(inode, session, capsnap, cap->mseq,  in __kick_flushing_caps()
2513 					capsnap->follows);  in __kick_flushing_caps()
2516 			ceph_put_cap_snap(capsnap);  in __kick_flushing_caps()
3043 				  struct ceph_cap_snap *capsnap)  in ceph_try_drop_cap_snap()  argument
3045 	if (!capsnap->need_flush &&  in ceph_try_drop_cap_snap()
3046 	    !capsnap->writing && !capsnap->dirty_pages) {  in ceph_try_drop_cap_snap()
3048 		     capsnap, capsnap->follows);  in ceph_try_drop_cap_snap()
3049 		BUG_ON(capsnap->cap_flush.tid > 0);  in ceph_try_drop_cap_snap()
3050 		ceph_put_snap_context(capsnap->context);  in ceph_try_drop_cap_snap()
3051 		if (!list_is_last(&capsnap->ci_item, &ci->i_cap_snaps))  in ceph_try_drop_cap_snap()
3054 		list_del(&capsnap->ci_item);  in ceph_try_drop_cap_snap()
3055 		ceph_put_cap_snap(capsnap);  in ceph_try_drop_cap_snap()
3122 		struct ceph_cap_snap *capsnap =  in __ceph_put_cap_refs()  local
3127 		capsnap->writing = 0;  in __ceph_put_cap_refs()
3128 		if (ceph_try_drop_cap_snap(ci, capsnap))  in __ceph_put_cap_refs()
3131 		else if (__ceph_finish_cap_snap(ci, capsnap))  in __ceph_put_cap_refs()
3188 	struct ceph_cap_snap *capsnap = NULL, *iter;  in ceph_put_wrbuffer_cap_refs()  local
3219 				capsnap = iter;  in ceph_put_wrbuffer_cap_refs()
3224 		if (!capsnap) {  in ceph_put_wrbuffer_cap_refs()
3233 		capsnap->dirty_pages -= nr;  in ceph_put_wrbuffer_cap_refs()
3234 		if (capsnap->dirty_pages == 0) {  in ceph_put_wrbuffer_cap_refs()
3236 			if (!capsnap->writing) {  in ceph_put_wrbuffer_cap_refs()
3237 				if (ceph_try_drop_cap_snap(ci, capsnap)) {  in ceph_put_wrbuffer_cap_refs()
3247 		     inode, capsnap, capsnap->context->seq,  in ceph_put_wrbuffer_cap_refs()
3248 		     ci->i_wrbuffer_ref+nr, capsnap->dirty_pages + nr,  in ceph_put_wrbuffer_cap_refs()
3249 		     ci->i_wrbuffer_ref, capsnap->dirty_pages,  in ceph_put_wrbuffer_cap_refs()
3726 void __ceph_remove_capsnap(struct inode *inode, struct ceph_cap_snap *capsnap,  in __ceph_remove_capsnap()  argument
3735 	dout("removing capsnap %p, inode %p ci %p\n", capsnap, inode, ci);  in __ceph_remove_capsnap()
3737 	list_del_init(&capsnap->ci_item);  in __ceph_remove_capsnap()
3738 	ret = __detach_cap_flush_from_ci(ci, &capsnap->cap_flush);  in __ceph_remove_capsnap()
3746 	ret = __detach_cap_flush_from_mdsc(mdsc, &capsnap->cap_flush);  in __ceph_remove_capsnap()
3752 void ceph_remove_capsnap(struct inode *inode, struct ceph_cap_snap *capsnap,  in ceph_remove_capsnap()  argument
3759 	WARN_ON_ONCE(capsnap->dirty_pages || capsnap->writing);  in ceph_remove_capsnap()
3760 	__ceph_remove_capsnap(inode, capsnap, wake_ci, wake_mdsc);  in ceph_remove_capsnap()
3776 	struct ceph_cap_snap *capsnap = NULL, *iter;  in handle_cap_flushsnap_ack()  local
3792 			capsnap = iter;  in handle_cap_flushsnap_ack()
3799 	if (capsnap)  in handle_cap_flushsnap_ack()
3800 		ceph_remove_capsnap(inode, capsnap, &wake_ci, &wake_mdsc);  in handle_cap_flushsnap_ack()
3803 	if (capsnap) {  in handle_cap_flushsnap_ack()
3804 		ceph_put_snap_context(capsnap->context);  in handle_cap_flushsnap_ack()
3805 		ceph_put_cap_snap(capsnap);  in handle_cap_flushsnap_ack()
4612 	struct ceph_cap_snap *capsnap;  in remove_capsnaps()  local
4620 		capsnap = list_first_entry(&ci->i_cap_snaps,  in remove_capsnaps()
4622 		__ceph_remove_capsnap(inode, capsnap, NULL, NULL);  in remove_capsnaps()
4623 		ceph_put_snap_context(capsnap->context);  in remove_capsnaps()
4624 		ceph_put_cap_snap(capsnap);  in remove_capsnaps()