201 		      struct ceph_cap_reservation *ctx, int need)  in ceph_reserve_caps()  argument
213 	dout("reserve caps ctx=%p need=%d\n", ctx, need);  in ceph_reserve_caps()
217 	if (mdsc->caps_avail_count >= need)  in ceph_reserve_caps()
218 		have = need;  in ceph_reserve_caps()
228 	for (i = have; i < need; ) {  in ceph_reserve_caps()
245 				max_caps = s->s_nr_caps - (need - i);  in ceph_reserve_caps()
257 				if (mdsc->caps_avail_count >= need - i)  in ceph_reserve_caps()
258 					more_have = need - i;  in ceph_reserve_caps()
274 			ctx, need, have + alloc);  in ceph_reserve_caps()
280 		BUG_ON(have + alloc != need);  in ceph_reserve_caps()
281 		ctx->count = need;  in ceph_reserve_caps()
2648 static int try_get_cap_refs(struct inode *inode, int need, int want,  in try_get_cap_refs()  argument
2658 	     ceph_cap_string(need), ceph_cap_string(want));  in try_get_cap_refs()
2683 	if (have & need & CEPH_CAP_FILE_WR) {  in try_get_cap_refs()
2701 	if ((have & need) == need) {  in try_get_cap_refs()
2708 		int not = want & ~(have & need);  in try_get_cap_refs()
2716 			    (need & CEPH_CAP_FILE_WR)) {  in try_get_cap_refs()
2735 				*got = need | want;  in try_get_cap_refs()
2737 				*got = need;  in try_get_cap_refs()
2745 		    (need & (CEPH_CAP_FILE_WR | CEPH_CAP_FILE_EXCL))) {  in try_get_cap_refs()
2753 			     inode, ceph_cap_string(need), ci->i_auth_cap->mds);  in try_get_cap_refs()
2764 		if (need & ~mds_wanted) {  in try_get_cap_refs()
2766 			     inode, ceph_cap_string(need),  in try_get_cap_refs()
2773 		     ceph_cap_string(have), ceph_cap_string(need));  in try_get_cap_refs()
2831 int ceph_try_get_caps(struct inode *inode, int need, int want,  in ceph_try_get_caps()  argument
2836 	BUG_ON(need & ~CEPH_CAP_FILE_RD);  in ceph_try_get_caps()
2840 	if (need) {  in ceph_try_get_caps()
2841 		ret = ceph_pool_perm_check(inode, need);  in ceph_try_get_caps()
2846 	flags = get_used_fmode(need | want);  in ceph_try_get_caps()
2850 	ret = try_get_cap_refs(inode, need, want, 0, flags, got);  in ceph_try_get_caps()
2862 int ceph_get_caps(struct file *filp, int need, int want, loff_t endoff, int *got)  in ceph_get_caps()  argument
2870 	ret = ceph_pool_perm_check(inode, need);  in ceph_get_caps()
2878 	flags = get_used_fmode(need | want);  in ceph_get_caps()
2885 		ret = try_get_cap_refs(inode, need, want, endoff,  in ceph_get_caps()
2895 			cw.need = need;  in ceph_get_caps()
2907 			while (!(ret = try_get_cap_refs(inode, need, want,  in ceph_get_caps()