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MFV r264666:

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4374 dn_free_ranges should use range_tree_t

illumos/illumos-gate@bf16b11e8d

MFC after:	2 weeks
This commit is contained in:
delphij 2014-04-18 21:15:12 +00:00
parent ef8414677a
commit 3344ccfa37
20 changed files with 166 additions and 178 deletions
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5
cddl/contrib/opensolaris/cmd/zdb/zdb.c
View File

@ -21,7 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
#include <stdio.h>
@ -2741,7 +2741,8 @@ dump_simulated_ddt(spa_t *spa)
dds.dds_ref_psize = zdde->zdde_ref_psize;
dds.dds_ref_dsize = zdde->zdde_ref_dsize;
ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1],
&dds, 0);
umem_free(zdde, sizeof (*zdde));
}

11
cddl/contrib/opensolaris/lib/libzpool/common/kernel.c
View File

@ -20,6 +20,8 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
*/
#include <assert.h>
@ -800,20 +802,17 @@ delay(clock_t ticks)
/*
* Find highest one bit set.
* Returns bit number + 1 of highest bit that is set, otherwise returns 0.
* High order bit is 31 (or 63 in _LP64 kernel).
*/
int
highbit(ulong_t i)
highbit64(uint64_t i)
{
register int h = 1;
int h = 1;
if (i == 0)
return (0);
#ifdef _LP64
if (i & 0xffffffff00000000ul) {
if (i & 0xffffffff00000000ULL) {
h += 32; i >>= 32;
}
#endif
if (i & 0xffff0000) {
h += 16; i >>= 16;
}

4
cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
/*
@ -558,7 +558,7 @@ extern void delay(clock_t ticks);
extern uint64_t physmem;
extern int highbit(ulong_t i);
extern int highbit64(uint64_t i);
extern int random_get_bytes(uint8_t *ptr, size_t len);
extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);

8
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c
View File

@ -21,7 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
*/
@ -40,6 +40,7 @@
#include <sys/dmu_zfetch.h>
#include <sys/sa.h>
#include <sys/sa_impl.h>
#include <sys/range_tree.h>
/*
* Number of times that zfs_free_range() took the slow path while doing
@ -1177,7 +1178,10 @@ dbuf_dirty(dmu_buf_impl_t *db, dmu_tx_t *tx)
if (db->db_level == 0 && db->db_blkid != DMU_BONUS_BLKID &&
db->db_blkid != DMU_SPILL_BLKID) {
mutex_enter(&dn->dn_mtx);
dnode_clear_range(dn, db->db_blkid, 1, tx);
if (dn->dn_free_ranges[txgoff] != NULL) {
range_tree_clear(dn->dn_free_ranges[txgoff],
db->db_blkid, 1);
}
mutex_exit(&dn->dn_mtx);
db->db_freed_in_flight = FALSE;
}

4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/ddt.c
View File

@ -21,7 +21,7 @@
/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>
@ -416,7 +416,7 @@ ddt_stat_update(ddt_t *ddt, ddt_entry_t *dde, uint64_t neg)
ddt_stat_generate(ddt, dde, &dds);
bucket = highbit(dds.dds_ref_blocks) - 1;
bucket = highbit64(dds.dds_ref_blocks) - 1;
ASSERT(bucket >= 0);
ddh = &ddt->ddt_histogram[dde->dde_type][dde->dde_class];

125
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>
@ -35,8 +35,7 @@
#include <sys/spa.h>
#include <sys/zio.h>
#include <sys/dmu_zfetch.h>
static int free_range_compar(const void *node1, const void *node2);
#include <sys/range_tree.h>
static kmem_cache_t *dnode_cache;
/*
@ -92,9 +91,7 @@ dnode_cons(void *arg, void *unused, int kmflag)
for (i = 0; i < TXG_SIZE; i++) {
list_link_init(&dn->dn_dirty_link[i]);
avl_create(&dn->dn_ranges[i], free_range_compar,
sizeof (free_range_t),
offsetof(struct free_range, fr_node));
dn->dn_free_ranges[i] = NULL;
list_create(&dn->dn_dirty_records[i],
sizeof (dbuf_dirty_record_t),
offsetof(dbuf_dirty_record_t, dr_dirty_node));
@ -143,7 +140,7 @@ dnode_dest(void *arg, void *unused)
for (i = 0; i < TXG_SIZE; i++) {
ASSERT(!list_link_active(&dn->dn_dirty_link[i]));
avl_destroy(&dn->dn_ranges[i]);
ASSERT3P(dn->dn_free_ranges[i], ==, NULL);
list_destroy(&dn->dn_dirty_records[i]);
ASSERT0(dn->dn_next_nblkptr[i]);
ASSERT0(dn->dn_next_nlevels[i]);
@ -316,19 +313,6 @@ dnode_buf_byteswap(void *vbuf, size_t size)
}
}
static int
free_range_compar(const void *node1, const void *node2)
{
const free_range_t *rp1 = node1;
const free_range_t *rp2 = node2;
if (rp1->fr_blkid < rp2->fr_blkid)
return (-1);
else if (rp1->fr_blkid > rp2->fr_blkid)
return (1);
else return (0);
}
void
dnode_setbonuslen(dnode_t *dn, int newsize, dmu_tx_t *tx)
{
@ -377,7 +361,7 @@ dnode_setdblksz(dnode_t *dn, int size)
1<<(sizeof (dn->dn_phys->dn_datablkszsec) * 8));
dn->dn_datablksz = size;
dn->dn_datablkszsec = size >> SPA_MINBLOCKSHIFT;
dn->dn_datablkshift = ISP2(size) ? highbit(size - 1) : 0;
dn->dn_datablkshift = ISP2(size) ? highbit64(size - 1) : 0;
}
static dnode_t *
@ -533,7 +517,7 @@ dnode_allocate(dnode_t *dn, dmu_object_type_t ot, int blocksize, int ibs,
ASSERT0(dn->dn_next_blksz[i]);
ASSERT(!list_link_active(&dn->dn_dirty_link[i]));
ASSERT3P(list_head(&dn->dn_dirty_records[i]), ==, NULL);
ASSERT0(avl_numnodes(&dn->dn_ranges[i]));
ASSERT3P(dn->dn_free_ranges[i], ==, NULL);
}
dn->dn_type = ot;
@ -697,7 +681,8 @@ dnode_move_impl(dnode_t *odn, dnode_t *ndn)
list_move_tail(&ndn->dn_dirty_records[i],
&odn->dn_dirty_records[i]);
}
bcopy(&odn->dn_ranges[0], &ndn->dn_ranges[0], sizeof (odn->dn_ranges));
bcopy(&odn->dn_free_ranges[0], &ndn->dn_free_ranges[0],
sizeof (odn->dn_free_ranges));
ndn->dn_allocated_txg = odn->dn_allocated_txg;
ndn->dn_free_txg = odn->dn_free_txg;
ndn->dn_assigned_txg = odn->dn_assigned_txg;
@ -760,8 +745,7 @@ dnode_move_impl(dnode_t *odn, dnode_t *ndn)
list_create(&odn->dn_dirty_records[i],
sizeof (dbuf_dirty_record_t),
offsetof(dbuf_dirty_record_t, dr_dirty_node));
odn->dn_ranges[i].avl_root = NULL;
odn->dn_ranges[i].avl_numnodes = 0;
odn->dn_free_ranges[i] = NULL;
odn->dn_next_nlevels[i] = 0;
odn->dn_next_indblkshift[i] = 0;
odn->dn_next_bonustype[i] = 0;
@ -1466,59 +1450,6 @@ dnode_new_blkid(dnode_t *dn, uint64_t blkid, dmu_tx_t *tx, boolean_t have_read)
rw_downgrade(&dn->dn_struct_rwlock);
}
void
dnode_clear_range(dnode_t *dn, uint64_t blkid, uint64_t nblks, dmu_tx_t *tx)
{
avl_tree_t *tree = &dn->dn_ranges[tx->tx_txg&TXG_MASK];
avl_index_t where;
free_range_t *rp;
free_range_t rp_tofind;
uint64_t endblk = blkid + nblks;
ASSERT(MUTEX_HELD(&dn->dn_mtx));
ASSERT(nblks <= UINT64_MAX - blkid); /* no overflow */
dprintf_dnode(dn, "blkid=%llu nblks=%llu txg=%llu\n",
blkid, nblks, tx->tx_txg);
rp_tofind.fr_blkid = blkid;
rp = avl_find(tree, &rp_tofind, &where);
if (rp == NULL)
rp = avl_nearest(tree, where, AVL_BEFORE);
if (rp == NULL)
rp = avl_nearest(tree, where, AVL_AFTER);
while (rp && (rp->fr_blkid <= blkid + nblks)) {
uint64_t fr_endblk = rp->fr_blkid + rp->fr_nblks;
free_range_t *nrp = AVL_NEXT(tree, rp);
if (blkid <= rp->fr_blkid && endblk >= fr_endblk) {
/* clear this entire range */
avl_remove(tree, rp);
kmem_free(rp, sizeof (free_range_t));
} else if (blkid <= rp->fr_blkid &&
endblk > rp->fr_blkid && endblk < fr_endblk) {
/* clear the beginning of this range */
rp->fr_blkid = endblk;
rp->fr_nblks = fr_endblk - endblk;
} else if (blkid > rp->fr_blkid && blkid < fr_endblk &&
endblk >= fr_endblk) {
/* clear the end of this range */
rp->fr_nblks = blkid - rp->fr_blkid;
} else if (blkid > rp->fr_blkid && endblk < fr_endblk) {
/* clear a chunk out of this range */
free_range_t *new_rp =
kmem_alloc(sizeof (free_range_t), KM_SLEEP);
new_rp->fr_blkid = endblk;
new_rp->fr_nblks = fr_endblk - endblk;
avl_insert_here(tree, new_rp, rp, AVL_AFTER);
rp->fr_nblks = blkid - rp->fr_blkid;
}
/* there may be no overlap */
rp = nrp;
}
}
void
dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx)
{
@ -1669,22 +1600,15 @@ dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx)
* We will finish up this free operation in the syncing phase.
*/
mutex_enter(&dn->dn_mtx);
dnode_clear_range(dn, blkid, nblks, tx);
{
free_range_t *rp, *found;
avl_index_t where;
avl_tree_t *tree = &dn->dn_ranges[tx->tx_txg&TXG_MASK];
/* Add new range to dn_ranges */
rp = kmem_alloc(sizeof (free_range_t), KM_SLEEP);
rp->fr_blkid = blkid;
rp->fr_nblks = nblks;
found = avl_find(tree, rp, &where);
ASSERT(found == NULL);
avl_insert(tree, rp, where);
dprintf_dnode(dn, "blkid=%llu nblks=%llu txg=%llu\n",
blkid, nblks, tx->tx_txg);
int txgoff = tx->tx_txg & TXG_MASK;
if (dn->dn_free_ranges[txgoff] == NULL) {
dn->dn_free_ranges[txgoff] =
range_tree_create(NULL, NULL, &dn->dn_mtx);
}
range_tree_clear(dn->dn_free_ranges[txgoff], blkid, nblks);
range_tree_add(dn->dn_free_ranges[txgoff], blkid, nblks);
dprintf_dnode(dn, "blkid=%llu nblks=%llu txg=%llu\n",
blkid, nblks, tx->tx_txg);
mutex_exit(&dn->dn_mtx);
dbuf_free_range(dn, blkid, blkid + nblks - 1, tx);
@ -1712,7 +1636,6 @@ dnode_spill_freed(dnode_t *dn)
uint64_t
dnode_block_freed(dnode_t *dn, uint64_t blkid)
{
free_range_t range_tofind;
void *dp = spa_get_dsl(dn->dn_objset->os_spa);
int i;
@ -1732,20 +1655,10 @@ dnode_block_freed(dnode_t *dn, uint64_t blkid)
if (blkid == DMU_SPILL_BLKID)
return (dnode_spill_freed(dn));
range_tofind.fr_blkid = blkid;
mutex_enter(&dn->dn_mtx);
for (i = 0; i < TXG_SIZE; i++) {
free_range_t *range_found;
avl_index_t idx;
range_found = avl_find(&dn->dn_ranges[i], &range_tofind, &idx);
if (range_found) {
ASSERT(range_found->fr_nblks > 0);
break;
}
range_found = avl_nearest(&dn->dn_ranges[i], idx, AVL_BEFORE);
if (range_found &&
range_found->fr_blkid + range_found->fr_nblks > blkid)
if (dn->dn_free_ranges[i] != NULL &&
range_tree_contains(dn->dn_free_ranges[i], blkid, 1))
break;
}
mutex_exit(&dn->dn_mtx);

39
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode_sync.c
View File

@ -21,7 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>
@ -32,6 +32,7 @@
#include <sys/dmu_objset.h>
#include <sys/dsl_dataset.h>
#include <sys/spa.h>
#include <sys/range_tree.h>
#include <sys/zfeature.h>
static void
@ -318,7 +319,7 @@ free_children(dmu_buf_impl_t *db, uint64_t blkid, uint64_t nblks,
* and "free" all the blocks contained there.
*/
static void
dnode_sync_free_range(dnode_t *dn, uint64_t blkid, uint64_t nblks,
dnode_sync_free_range_impl(dnode_t *dn, uint64_t blkid, uint64_t nblks,
dmu_tx_t *tx)
{
blkptr_t *bp = dn->dn_phys->dn_blkptr;
@ -376,6 +377,22 @@ dnode_sync_free_range(dnode_t *dn, uint64_t blkid, uint64_t nblks,
}
}
typedef struct dnode_sync_free_range_arg {
dnode_t *dsfra_dnode;
dmu_tx_t *dsfra_tx;
} dnode_sync_free_range_arg_t;
static void
dnode_sync_free_range(void *arg, uint64_t blkid, uint64_t nblks)
{
dnode_sync_free_range_arg_t *dsfra = arg;
dnode_t *dn = dsfra->dsfra_dnode;
mutex_exit(&dn->dn_mtx);
dnode_sync_free_range_impl(dn, blkid, nblks, dsfra->dsfra_tx);
mutex_enter(&dn->dn_mtx);
}
/*
* Try to kick all the dnode's dbufs out of the cache...
*/
@ -536,7 +553,6 @@ dnode_sync_free(dnode_t *dn, dmu_tx_t *tx)
void
dnode_sync(dnode_t *dn, dmu_tx_t *tx)
{
free_range_t *rp;
dnode_phys_t *dnp = dn->dn_phys;
int txgoff = tx->tx_txg & TXG_MASK;
list_t *list = &dn->dn_dirty_records[txgoff];
@ -594,9 +610,9 @@ dnode_sync(dnode_t *dn, dmu_tx_t *tx)
SPA_MINBLOCKSIZE) == 0);
ASSERT(BP_IS_HOLE(&dnp->dn_blkptr[0]) ||
dn->dn_maxblkid == 0 || list_head(list) != NULL ||
avl_last(&dn->dn_ranges[txgoff]) ||
dn->dn_next_blksz[txgoff] >> SPA_MINBLOCKSHIFT ==
dnp->dn_datablkszsec);
dnp->dn_datablkszsec ||
range_tree_space(dn->dn_free_ranges[txgoff]) != 0);
dnp->dn_datablkszsec =
dn->dn_next_blksz[txgoff] >> SPA_MINBLOCKSHIFT;
dn->dn_next_blksz[txgoff] = 0;
@ -655,13 +671,16 @@ dnode_sync(dnode_t *dn, dmu_tx_t *tx)
}
/* process all the "freed" ranges in the file */
while (rp = avl_last(&dn->dn_ranges[txgoff])) {
dnode_sync_free_range(dn, rp->fr_blkid, rp->fr_nblks, tx);
/* grab the mutex so we don't race with dnode_block_freed() */
if (dn->dn_free_ranges[txgoff] != NULL) {
dnode_sync_free_range_arg_t dsfra;
dsfra.dsfra_dnode = dn;
dsfra.dsfra_tx = tx;
mutex_enter(&dn->dn_mtx);
avl_remove(&dn->dn_ranges[txgoff], rp);
range_tree_vacate(dn->dn_free_ranges[txgoff],
dnode_sync_free_range, &dsfra);
range_tree_destroy(dn->dn_free_ranges[txgoff]);
dn->dn_free_ranges[txgoff] = NULL;
mutex_exit(&dn->dn_mtx);
kmem_free(rp, sizeof (free_range_t));
}
if (freeing_dnode) {

10
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
*/
@ -789,7 +789,7 @@ metaslab_ff_alloc(metaslab_t *msp, uint64_t size)
* may exist in the same region.
*/
uint64_t align = size & -size;
uint64_t *cursor = &msp->ms_lbas[highbit(align) - 1];
uint64_t *cursor = &msp->ms_lbas[highbit64(align) - 1];
avl_tree_t *t = &msp->ms_tree->rt_root;
return (metaslab_block_picker(t, cursor, size, align));
@ -826,7 +826,7 @@ metaslab_df_alloc(metaslab_t *msp, uint64_t size)
* may exist in the same region.
*/
uint64_t align = size & -size;
uint64_t *cursor = &msp->ms_lbas[highbit(align) - 1];
uint64_t *cursor = &msp->ms_lbas[highbit64(align) - 1];
range_tree_t *rt = msp->ms_tree;
avl_tree_t *t = &rt->rt_root;
uint64_t max_size = metaslab_block_maxsize(msp);
@ -942,7 +942,7 @@ metaslab_ndf_alloc(metaslab_t *msp, uint64_t size)
avl_tree_t *t = &msp->ms_tree->rt_root;
avl_index_t where;
range_seg_t *rs, rsearch;
uint64_t hbit = highbit(size);
uint64_t hbit = highbit64(size);
uint64_t *cursor = &msp->ms_lbas[hbit - 1];
uint64_t max_size = metaslab_block_maxsize(msp);
@ -1185,7 +1185,7 @@ metaslab_weight_factor(metaslab_t *msp)
if (msp->ms_sm == NULL) {
vdev_t *vd = msp->ms_group->mg_vd;
i = highbit(msp->ms_size) - 1;
i = highbit64(msp->ms_size) - 1;
sectors = msp->ms_size >> vd->vdev_ashift;
return (sectors * i * vd->vdev_ashift);
}

44
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/range_tree.c
View File

@ -23,7 +23,7 @@
* Use is subject to license terms.
*/
/*
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2013, 2014 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>
@ -60,7 +60,7 @@ range_tree_stat_verify(range_tree_t *rt)
for (rs = avl_first(&rt->rt_root); rs != NULL;
rs = AVL_NEXT(&rt->rt_root, rs)) {
uint64_t size = rs->rs_end - rs->rs_start;
int idx = highbit(size) - 1;
int idx = highbit64(size) - 1;
hist[idx]++;
ASSERT3U(hist[idx], !=, 0);
@ -79,7 +79,7 @@ static void
range_tree_stat_incr(range_tree_t *rt, range_seg_t *rs)
{
uint64_t size = rs->rs_end - rs->rs_start;
int idx = highbit(size) - 1;
int idx = highbit64(size) - 1;
ASSERT3U(idx, <,
sizeof (rt->rt_histogram) / sizeof (*rt->rt_histogram));
@ -93,7 +93,7 @@ static void
range_tree_stat_decr(range_tree_t *rt, range_seg_t *rs)
{
uint64_t size = rs->rs_end - rs->rs_start;
int idx = highbit(size) - 1;
int idx = highbit64(size) - 1;
ASSERT3U(idx, <,
sizeof (rt->rt_histogram) / sizeof (*rt->rt_histogram));
@ -299,10 +299,10 @@ range_tree_remove(void *arg, uint64_t start, uint64_t size)
}
static range_seg_t *
range_tree_find(range_tree_t *rt, uint64_t start, uint64_t size,
avl_index_t *wherep)
range_tree_find_impl(range_tree_t *rt, uint64_t start, uint64_t size)
{
range_seg_t rsearch, *rs;
avl_index_t where;
range_seg_t rsearch;
uint64_t end = start + size;
ASSERT(MUTEX_HELD(rt->rt_lock));
@ -310,9 +310,14 @@ range_tree_find(range_tree_t *rt, uint64_t start, uint64_t size,
rsearch.rs_start = start;
rsearch.rs_end = end;
rs = avl_find(&rt->rt_root, &rsearch, wherep);
return (avl_find(&rt->rt_root, &rsearch, &where));
}
if (rs != NULL && rs->rs_start <= start && rs->rs_end >= end)
static range_seg_t *
range_tree_find(range_tree_t *rt, uint64_t start, uint64_t size)
{
range_seg_t *rs = range_tree_find_impl(rt, start, size);
if (rs != NULL && rs->rs_start <= start && rs->rs_end >= start + size)
return (rs);
return (NULL);
}
@ -321,10 +326,9 @@ void
range_tree_verify(range_tree_t *rt, uint64_t off, uint64_t size)
{
range_seg_t *rs;
avl_index_t where;
mutex_enter(rt->rt_lock);
rs = range_tree_find(rt, off, size, &where);
rs = range_tree_find(rt, off, size);
if (rs != NULL)
panic("freeing free block; rs=%p", (void *)rs);
mutex_exit(rt->rt_lock);
@ -333,9 +337,23 @@ range_tree_verify(range_tree_t *rt, uint64_t off, uint64_t size)
boolean_t
range_tree_contains(range_tree_t *rt, uint64_t start, uint64_t size)
{
avl_index_t where;
return (range_tree_find(rt, start, size) != NULL);
}
return (range_tree_find(rt, start, size, &where) != NULL);
/*
* Ensure that this range is not in the tree, regardless of whether
* it is currently in the tree.
*/
void
range_tree_clear(range_tree_t *rt, uint64_t start, uint64_t size)
{
range_seg_t *rs;
while ((rs = range_tree_find_impl(rt, start, size)) != NULL) {
uint64_t free_start = MAX(rs->rs_start, start);
uint64_t free_end = MIN(rs->rs_end, start + size);
range_tree_remove(rt, free_start, free_end - free_start);
}
}
void

4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/space_map.c
View File

@ -23,7 +23,7 @@
* Use is subject to license terms.
*/
/*
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>
@ -267,7 +267,7 @@ space_map_set_blocksize(space_map_t *sm, uint64_t size, dmu_tx_t *tx)
* adding more blocks. The block size can grow until it
* reaches space_map_max_blksz.
*/
newsz = ISP2(size) ? size : 1ULL << highbit(size);
newsz = ISP2(size) ? size : 1ULL << highbit64(size);
if (newsz > space_map_max_blksz)
newsz = space_map_max_blksz;

6
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dnode.h
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
#ifndef _SYS_DNODE_H
@ -198,7 +198,7 @@ typedef struct dnode {
/* protected by dn_mtx: */
kmutex_t dn_mtx;
list_t dn_dirty_records[TXG_SIZE];
avl_tree_t dn_ranges[TXG_SIZE];
struct range_tree *dn_free_ranges[TXG_SIZE];
uint64_t dn_allocated_txg;
uint64_t dn_free_txg;
uint64_t dn_assigned_txg;
@ -280,8 +280,6 @@ void dnode_buf_byteswap(void *buf, size_t size);
void dnode_verify(dnode_t *dn);
int dnode_set_blksz(dnode_t *dn, uint64_t size, int ibs, dmu_tx_t *tx);
void dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx);
void dnode_clear_range(dnode_t *dn, uint64_t blkid,
uint64_t nblks, dmu_tx_t *tx);
void dnode_diduse_space(dnode_t *dn, int64_t space);
void dnode_willuse_space(dnode_t *dn, int64_t space, dmu_tx_t *tx);
void dnode_new_blkid(dnode_t *dn, uint64_t blkid, dmu_tx_t *tx, boolean_t);

3
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/range_tree.h
View File

@ -24,7 +24,7 @@
*/
/*
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2013, 2014 by Delphix. All rights reserved.
*/
#ifndef _SYS_RANGE_TREE_H
@ -85,6 +85,7 @@ void range_tree_stat_verify(range_tree_t *rt);
void range_tree_add(void *arg, uint64_t start, uint64_t size);
void range_tree_remove(void *arg, uint64_t start, uint64_t size);
void range_tree_clear(range_tree_t *rt, uint64_t start, uint64_t size);
void range_tree_vacate(range_tree_t *rt, range_tree_func_t *func, void *arg);
void range_tree_walk(range_tree_t *rt, range_tree_func_t *func, void *arg);

4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
View File

@ -22,7 +22,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright 2013 Martin Matuska <mm@FreeBSD.org>. All rights reserved.
*/
@ -1626,7 +1626,7 @@ vdev_metaslab_set_size(vdev_t *vd)
/*
* Aim for roughly 200 metaslabs per vdev.
*/
vd->vdev_ms_shift = highbit(vd->vdev_asize / 200);
vd->vdev_ms_shift = highbit64(vd->vdev_asize / 200);
vd->vdev_ms_shift = MAX(vd->vdev_ms_shift, SPA_MAXBLOCKSHIFT);
}

4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_disk.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013 Joyent, Inc. All rights reserved.
*/
@ -547,7 +547,7 @@ vdev_disk_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize,
pbsize = DEV_BSIZE;
}
*ashift = highbit(MAX(pbsize, SPA_MINBLOCKSIZE)) - 1;
*ashift = highbit64(MAX(pbsize, SPA_MINBLOCKSIZE)) - 1;
if (vd->vdev_wholedisk == 1) {
int wce = 1;

6
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
/*
@ -84,7 +84,7 @@ fzap_upgrade(zap_t *zap, dmu_tx_t *tx, zap_flags_t flags)
&zap->zap_f.zap_phys, zap_evict);
mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0);
zap->zap_f.zap_block_shift = highbit(zap->zap_dbuf->db_size) - 1;
zap->zap_f.zap_block_shift = highbit64(zap->zap_dbuf->db_size) - 1;
zp = zap->zap_f.zap_phys;
/*
@ -458,7 +458,7 @@ zap_open_leaf(uint64_t blkid, dmu_buf_t *db)
rw_init(&l->l_rwlock, 0, 0, 0);
rw_enter(&l->l_rwlock, RW_WRITER);
l->l_blkid = blkid;
l->l_bs = highbit(db->db_size)-1;
l->l_bs = highbit64(db->db_size) - 1;
l->l_dbuf = db;
l->l_phys = NULL;

20
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap_leaf.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2013, 2014 by Delphix. All rights reserved.
*/
/*
@ -105,16 +105,16 @@ zap_leaf_byteswap(zap_leaf_phys_t *buf, int size)
{
int i;
zap_leaf_t l;
l.l_bs = highbit(size)-1;
l.l_bs = highbit64(size) - 1;
l.l_phys = buf;
buf->l_hdr.lh_block_type = BSWAP_64(buf->l_hdr.lh_block_type);
buf->l_hdr.lh_prefix = BSWAP_64(buf->l_hdr.lh_prefix);
buf->l_hdr.lh_magic = BSWAP_32(buf->l_hdr.lh_magic);
buf->l_hdr.lh_nfree = BSWAP_16(buf->l_hdr.lh_nfree);
buf->l_hdr.lh_nentries = BSWAP_16(buf->l_hdr.lh_nentries);
buf->l_hdr.lh_prefix_len = BSWAP_16(buf->l_hdr.lh_prefix_len);
buf->l_hdr.lh_freelist = BSWAP_16(buf->l_hdr.lh_freelist);
buf->l_hdr.lh_block_type = BSWAP_64(buf->l_hdr.lh_block_type);
buf->l_hdr.lh_prefix = BSWAP_64(buf->l_hdr.lh_prefix);
buf->l_hdr.lh_magic = BSWAP_32(buf->l_hdr.lh_magic);
buf->l_hdr.lh_nfree = BSWAP_16(buf->l_hdr.lh_nfree);
buf->l_hdr.lh_nentries = BSWAP_16(buf->l_hdr.lh_nentries);
buf->l_hdr.lh_prefix_len = BSWAP_16(buf->l_hdr.lh_prefix_len);
buf->l_hdr.lh_freelist = BSWAP_16(buf->l_hdr.lh_freelist);
for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++)
buf->l_hash[i] = BSWAP_16(buf->l_hash[i]);
@ -157,7 +157,7 @@ zap_leaf_init(zap_leaf_t *l, boolean_t sort)
{
int i;
l->l_bs = highbit(l->l_dbuf->db_size)-1;
l->l_bs = highbit64(l->l_dbuf->db_size) - 1;
zap_memset(&l->l_phys->l_hdr, 0, sizeof (struct zap_leaf_header));
zap_memset(l->l_phys->l_hash, CHAIN_END, 2*ZAP_LEAF_HASH_NUMENTRIES(l));
for (i = 0; i < ZAP_LEAF_NUMCHUNKS(l); i++) {

4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap_micro.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
*/
#include <sys/zio.h>
@ -380,7 +380,7 @@ mzap_open(objset_t *os, uint64_t obj, dmu_buf_t *db)
if (*(uint64_t *)db->db_data != ZBT_MICRO) {
mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0);
zap->zap_f.zap_block_shift = highbit(db->db_size) - 1;
zap->zap_f.zap_block_shift = highbit64(db->db_size) - 1;
} else {
zap->zap_ismicro = TRUE;
}

4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright (c) 2011 Nexenta Systems, Inc. All rights reserved.
*/
@ -1352,7 +1352,7 @@ zio_execute(zio_t *zio)
}
zio->io_stage = stage;
rv = zio_pipeline[highbit(stage) - 1](zio);
rv = zio_pipeline[highbit64(stage) - 1](zio);
if (rv == ZIO_PIPELINE_STOP)
return;

7
sys/cddl/contrib/opensolaris/uts/common/sys/bitmap.h
View File

@ -24,6 +24,10 @@
* Use is subject to license terms.
*/
/*
* Copyright (c) 2014 by Delphix. All rights reserved.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
@ -31,8 +35,6 @@
#ifndef _SYS_BITMAP_H
#define _SYS_BITMAP_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
@ -152,6 +154,7 @@ extern int bt_range(ulong_t *bitmap, size_t *pos1, size_t *pos2,
* Low order bit is 0, high order bit is 31.
*/
extern int highbit(ulong_t);
extern int highbit64(uint64_t);
extern int lowbit(ulong_t);
extern int bt_getlowbit(ulong_t *bitmap, size_t start, size_t stop);
extern void bt_copy(ulong_t *, ulong_t *, ulong_t);

32
sys/cddl/contrib/opensolaris/uts/common/sys/sysmacros.h
View File

@ -409,6 +409,38 @@ highbit(ulong_t i)
return (h);
}
/*
* Find highest one bit set.
* Returns bit number + 1 of highest bit that is set, otherwise returns 0.
*/
static __inline int
highbit64(uint64_t i)
{
int h = 1;
if (i == 0)
return (0);
if (i & 0xffffffff00000000ULL) {
h += 32; i >>= 32;
}
if (i & 0xffff0000) {
h += 16; i >>= 16;
}
if (i & 0xff00) {
h += 8; i >>= 8;
}
if (i & 0xf0) {
h += 4; i >>= 4;
}
if (i & 0xc) {
h += 2; i >>= 2;
}
if (i & 0x2) {
h += 1;
}
return (h);
}
#ifdef __cplusplus
}
#endif