1447 		struct ceph_cap_snap *capsnap;  in __prep_cap()  local
1448 		list_for_each_entry_reverse(capsnap, &ci->i_cap_snaps, ci_item) {  in __prep_cap()
1449 			if (capsnap->cap_flush.tid)  in __prep_cap()
1451 			if (capsnap->need_flush) {  in __prep_cap()
1522 				    struct ceph_cap_snap *capsnap,  in __send_flush_snap()  argument
1531 	arg.follows = capsnap->follows;  in __send_flush_snap()
1532 	arg.flush_tid = capsnap->cap_flush.tid;  in __send_flush_snap()
1535 	arg.size = capsnap->size;  in __send_flush_snap()
1537 	arg.xattr_version = capsnap->xattr_version;  in __send_flush_snap()
1538 	arg.xattr_buf = capsnap->xattr_blob;  in __send_flush_snap()
1541 	arg.atime = capsnap->atime;  in __send_flush_snap()
1542 	arg.mtime = capsnap->mtime;  in __send_flush_snap()
1543 	arg.ctime = capsnap->ctime;  in __send_flush_snap()
1544 	arg.btime = capsnap->btime;  in __send_flush_snap()
1545 	arg.change_attr = capsnap->change_attr;  in __send_flush_snap()
1548 	arg.caps = capsnap->issued;  in __send_flush_snap()
1550 	arg.dirty = capsnap->dirty;  in __send_flush_snap()
1555 	arg.time_warp_seq = capsnap->time_warp_seq;  in __send_flush_snap()
1557 	arg.uid = capsnap->uid;  in __send_flush_snap()
1558 	arg.gid = capsnap->gid;  in __send_flush_snap()
1559 	arg.mode = capsnap->mode;  in __send_flush_snap()
1561 	arg.inline_data = capsnap->inline_data;  in __send_flush_snap()
1595 	struct ceph_cap_snap *capsnap;  in __ceph_flush_snaps()  local
1601 	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {  in __ceph_flush_snaps()
1606 		if (capsnap->dirty_pages || capsnap->writing)  in __ceph_flush_snaps()
1610 		BUG_ON(!capsnap->need_flush);  in __ceph_flush_snaps()
1613 		if (capsnap->cap_flush.tid > 0) {  in __ceph_flush_snaps()
1614 			dout(" already flushed %p, skipping\n", capsnap);  in __ceph_flush_snaps()
1619 		capsnap->cap_flush.tid = ++mdsc->last_cap_flush_tid;  in __ceph_flush_snaps()
1620 		list_add_tail(&capsnap->cap_flush.g_list,  in __ceph_flush_snaps()
1630 		list_add_tail(&capsnap->cap_flush.i_list,  in __ceph_flush_snaps()
1634 			first_tid = capsnap->cap_flush.tid;  in __ceph_flush_snaps()
1635 		last_tid = capsnap->cap_flush.tid;  in __ceph_flush_snaps()
1664 		capsnap = container_of(cf, struct ceph_cap_snap, cap_flush);  in __ceph_flush_snaps()
1665 		refcount_inc(&capsnap->nref);  in __ceph_flush_snaps()
1669 		     inode, capsnap, cf->tid, ceph_cap_string(capsnap->dirty));  in __ceph_flush_snaps()
1671 		ret = __send_flush_snap(inode, session, capsnap, cap->mseq,  in __ceph_flush_snaps()
1676 				ceph_vinop(inode), cf->tid, capsnap->follows);  in __ceph_flush_snaps()
1679 		ceph_put_cap_snap(capsnap);  in __ceph_flush_snaps()
2561 			struct ceph_cap_snap *capsnap =  in __kick_flushing_caps()  local
2565 			     inode, capsnap, cf->tid,  in __kick_flushing_caps()
2566 			     ceph_cap_string(capsnap->dirty));  in __kick_flushing_caps()
2568 			refcount_inc(&capsnap->nref);  in __kick_flushing_caps()
2571 			ret = __send_flush_snap(inode, session, capsnap, cap->mseq,  in __kick_flushing_caps()
2578 					capsnap->follows);  in __kick_flushing_caps()
2581 			ceph_put_cap_snap(capsnap);  in __kick_flushing_caps()
3116 				  struct ceph_cap_snap *capsnap)  in ceph_try_drop_cap_snap()  argument
3118 	if (!capsnap->need_flush &&  in ceph_try_drop_cap_snap()
3119 	    !capsnap->writing && !capsnap->dirty_pages) {  in ceph_try_drop_cap_snap()
3121 		     capsnap, capsnap->follows);  in ceph_try_drop_cap_snap()
3122 		BUG_ON(capsnap->cap_flush.tid > 0);  in ceph_try_drop_cap_snap()
3123 		ceph_put_snap_context(capsnap->context);  in ceph_try_drop_cap_snap()
3124 		if (!list_is_last(&capsnap->ci_item, &ci->i_cap_snaps))  in ceph_try_drop_cap_snap()
3127 		list_del(&capsnap->ci_item);  in ceph_try_drop_cap_snap()
3128 		ceph_put_cap_snap(capsnap);  in ceph_try_drop_cap_snap()
3201 		struct ceph_cap_snap *capsnap =  in __ceph_put_cap_refs()  local
3206 		capsnap->writing = 0;  in __ceph_put_cap_refs()
3207 		if (ceph_try_drop_cap_snap(ci, capsnap))  in __ceph_put_cap_refs()
3210 		else if (__ceph_finish_cap_snap(ci, capsnap))  in __ceph_put_cap_refs()
3267 	struct ceph_cap_snap *capsnap = NULL, *iter;  in ceph_put_wrbuffer_cap_refs()  local
3298 				capsnap = iter;  in ceph_put_wrbuffer_cap_refs()
3303 		if (!capsnap) {  in ceph_put_wrbuffer_cap_refs()
3312 		capsnap->dirty_pages -= nr;  in ceph_put_wrbuffer_cap_refs()
3313 		if (capsnap->dirty_pages == 0) {  in ceph_put_wrbuffer_cap_refs()
3315 			if (!capsnap->writing) {  in ceph_put_wrbuffer_cap_refs()
3316 				if (ceph_try_drop_cap_snap(ci, capsnap)) {  in ceph_put_wrbuffer_cap_refs()
3326 		     inode, capsnap, capsnap->context->seq,  in ceph_put_wrbuffer_cap_refs()
3327 		     ci->i_wrbuffer_ref+nr, capsnap->dirty_pages + nr,  in ceph_put_wrbuffer_cap_refs()
3328 		     ci->i_wrbuffer_ref, capsnap->dirty_pages,  in ceph_put_wrbuffer_cap_refs()
3832 void __ceph_remove_capsnap(struct inode *inode, struct ceph_cap_snap *capsnap,  in __ceph_remove_capsnap()  argument
3841 	dout("removing capsnap %p, inode %p ci %p\n", capsnap, inode, ci);  in __ceph_remove_capsnap()
3843 	list_del_init(&capsnap->ci_item);  in __ceph_remove_capsnap()
3844 	ret = __detach_cap_flush_from_ci(ci, &capsnap->cap_flush);  in __ceph_remove_capsnap()
3852 	ret = __detach_cap_flush_from_mdsc(mdsc, &capsnap->cap_flush);  in __ceph_remove_capsnap()
3858 void ceph_remove_capsnap(struct inode *inode, struct ceph_cap_snap *capsnap,  in ceph_remove_capsnap()  argument
3865 	WARN_ON_ONCE(capsnap->dirty_pages || capsnap->writing);  in ceph_remove_capsnap()
3866 	__ceph_remove_capsnap(inode, capsnap, wake_ci, wake_mdsc);  in ceph_remove_capsnap()
3882 	struct ceph_cap_snap *capsnap = NULL, *iter;  in handle_cap_flushsnap_ack()  local
3898 			capsnap = iter;  in handle_cap_flushsnap_ack()
3905 	if (capsnap)  in handle_cap_flushsnap_ack()
3906 		ceph_remove_capsnap(inode, capsnap, &wake_ci, &wake_mdsc);  in handle_cap_flushsnap_ack()
3909 	if (capsnap) {  in handle_cap_flushsnap_ack()
3910 		ceph_put_snap_context(capsnap->context);  in handle_cap_flushsnap_ack()
3911 		ceph_put_cap_snap(capsnap);  in handle_cap_flushsnap_ack()
4836 	struct ceph_cap_snap *capsnap;  in remove_capsnaps()  local
4844 		capsnap = list_first_entry(&ci->i_cap_snaps,  in remove_capsnaps()
4846 		__ceph_remove_capsnap(inode, capsnap, NULL, NULL);  in remove_capsnaps()
4847 		ceph_put_snap_context(capsnap->context);  in remove_capsnaps()
4848 		ceph_put_cap_snap(capsnap);  in remove_capsnaps()