| dsl_pool.c (268079) | dsl_pool.c (268473) |
|---|---|
| 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 677 unchanged lines hidden (view full) --- 686} 687 688uint64_t 689dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree) 690{ 691 uint64_t space, resv; 692 693 /* | 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 677 unchanged lines hidden (view full) --- 686} 687 688uint64_t 689dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree) 690{ 691 uint64_t space, resv; 692 693 /* |
| 694 * Reserve about 1.6% (1/64), or at least 32MB, for allocation 695 * efficiency. 696 * XXX The intent log is not accounted for, so it must fit 697 * within this slop. 698 * | |
| 699 * If we're trying to assess whether it's OK to do a free, 700 * cut the reservation in half to allow forward progress 701 * (e.g. make it possible to rm(1) files from a full pool). 702 */ 703 space = spa_get_dspace(dp->dp_spa); | 694 * If we're trying to assess whether it's OK to do a free, 695 * cut the reservation in half to allow forward progress 696 * (e.g. make it possible to rm(1) files from a full pool). 697 */ 698 space = spa_get_dspace(dp->dp_spa); |
| 704 resv = MAX(space >> 6, SPA_MINDEVSIZE >> 1); | 699 resv = spa_get_slop_space(dp->dp_spa); |
| 705 if (netfree) 706 resv >>= 1; 707 708 return (space - resv); 709} 710 711boolean_t 712dsl_pool_need_dirty_delay(dsl_pool_t *dp) --- 422 unchanged lines hidden --- | 700 if (netfree) 701 resv >>= 1; 702 703 return (space - resv); 704} 705 706boolean_t 707dsl_pool_need_dirty_delay(dsl_pool_t *dp) --- 422 unchanged lines hidden --- |