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Initial Linux ZFS GIT Repo

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This commit is contained in:
Brian Behlendorf
2008-11-20 12:01:55 -08:00
commit 34dc7c2f25
444 changed files with 187636 additions and 0 deletions
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patches/README
+17
View File
@@ -0,0 +1,17 @@
#
# Mostly patches for a userspace build. For now I'm leaving them all
# out until we go through the code base and sort out the userspace
# portion of the build system. We may find we do not want or need
# many of these patches anymore. -Brian
#
zap-cursor-move-to-key.patch # Add a ZAP API to move a ZAP cursor to a
given key.
spa-force-readonly.patch # Add API to discard all writes
no-debug-userspace.patch # Disable debug code on userspace
no-events.patch # Define away spa_event_notify() in userspace
pthreads.patch # Use POSIX threads in userspace.
port-no-zmod.patch # Do not use zmod.h in userspace.
port-pragma-init.patch # Use constructor attribute on non-Solaris
platforms.
lztest-lzdb.patch # Make lztest call lzdb from PATH.
zpool-force.patch # Change -f to -F in zpool command
patches/lztest-lzdb.patch
+40
View File
@@ -0,0 +1,40 @@
Make lztest call lzdb from PATH.
Index: zfs+chaos4/cmd/lztest/ztest.c
===================================================================
--- zfs+chaos4.orig/cmd/lztest/ztest.c
+++ zfs+chaos4/cmd/lztest/ztest.c
@@ -3043,30 +3043,17 @@ ztest_verify_blocks(char *pool)
char zbuf[1024];
char *bin;
char *ztest;
- char *isa;
- int isalen;
FILE *fp;
- (void) realpath(getexecname(), zdb);
-
- /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */
- bin = strstr(zdb, "/usr/bin/");
- ztest = strstr(bin, "/ztest");
- isa = bin + 8;
- isalen = ztest - isa;
- isa = strdup(isa);
/* LINTED */
- (void) sprintf(bin,
- "/usr/sbin%.*s/zdb -bc%s%s -U /tmp/zpool.cache -O %s %s",
- isalen,
- isa,
+ (void) sprintf(zdb,
+ "lzdb -bc%s%s -U /tmp/zpool.cache -O %s %s",
zopt_verbose >= 3 ? "s" : "",
zopt_verbose >= 4 ? "v" : "",
ztest_random(2) == 0 ? "pre" : "post", pool);
- free(isa);
if (zopt_verbose >= 5)
- (void) printf("Executing %s\n", strstr(zdb, "zdb "));
+ (void) printf("Executing %s\n", strstr(zdb, "lzdb "));
fp = popen(zdb, "r");
patches/no-debug-userspace.patch
+184
View File
@@ -0,0 +1,184 @@
Disable debug code on userspace
Index: zfs+chaos4/lib/libzfscommon/include/sys/arc.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/arc.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/arc.h
@@ -82,7 +82,7 @@ int arc_released(arc_buf_t *buf);
int arc_has_callback(arc_buf_t *buf);
void arc_buf_freeze(arc_buf_t *buf);
void arc_buf_thaw(arc_buf_t *buf);
-#ifdef ZFS_DEBUG
+#if defined(ZFS_DEBUG) || (!defined(_KERNEL) && !defined(NDEBUG))
int arc_referenced(arc_buf_t *buf);
#endif
Index: zfs+chaos4/lib/libzfscommon/include/sys/refcount.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/refcount.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/refcount.h
@@ -43,7 +43,7 @@ extern "C" {
*/
#define FTAG ((char *)__func__)
-#if defined(DEBUG) || !defined(_KERNEL)
+#if defined(DEBUG)
typedef struct reference {
list_node_t ref_link;
void *ref_holder;
Index: zfs+chaos4/lib/libzfscommon/include/sys/zfs_context_user.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/zfs_context_user.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/zfs_context_user.h
@@ -96,6 +96,8 @@ extern "C" {
#ifdef ZFS_DEBUG
extern void dprintf_setup(int *argc, char **argv);
+#else
+#define dprintf_setup(ac,av) ((void) 0)
#endif /* ZFS_DEBUG */
extern void cmn_err(int, const char *, ...);
@@ -105,21 +107,26 @@ extern void vpanic(const char *, __va_li
#define fm_panic panic
+#ifndef zp_verify
/* This definition is copied from assert.h. */
#if defined(__STDC__)
#if __STDC_VERSION__ - 0 >= 199901L
-#define verify(EX) (void)((EX) || \
+#define zp_verify(EX) (void)((EX) || \
(__assert_c99(#EX, __FILE__, __LINE__, __func__), 0))
#else
-#define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
+#define zp_verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
#endif /* __STDC_VERSION__ - 0 >= 199901L */
#else
-#define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
+#define zp_verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
#endif /* __STDC__ */
+#endif
-
-#define VERIFY verify
+#ifndef VERIFY
+#define VERIFY zp_verify
+#endif
+#ifndef ASSERT
#define ASSERT assert
+#endif
extern void __assert(const char *, const char *, int);
@@ -332,6 +339,7 @@ extern int taskq_member(taskq_t *, void
typedef struct vnode {
uint64_t v_size;
int v_fd;
+ mode_t v_mode;
char *v_path;
} vnode_t;
Index: zfs+chaos4/lib/libzfscommon/include/sys/zfs_debug.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/zfs_debug.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/zfs_debug.h
@@ -44,7 +44,7 @@ extern "C" {
* ZFS debugging
*/
-#if defined(DEBUG) || !defined(_KERNEL)
+#if defined(DEBUG)
#define ZFS_DEBUG
#endif
Index: zfs+chaos4/lib/libzpool/arc.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/arc.c
+++ zfs+chaos4/lib/libzpool/arc.c
@@ -1802,7 +1802,7 @@ arc_reclaim_needed(void)
return (1);
#endif
-#else
+#elif defined(ZFS_DEBUG)
if (spa_get_random(100) == 0)
return (1);
#endif
@@ -2881,7 +2881,7 @@ arc_has_callback(arc_buf_t *buf)
return (buf->b_efunc != NULL);
}
-#ifdef ZFS_DEBUG
+#if defined(ZFS_DEBUG) || (!defined(_KERNEL) && !defined(NDEBUG))
int
arc_referenced(arc_buf_t *buf)
{
Index: zfs+chaos4/lib/libzpool/kernel.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/kernel.c
+++ zfs+chaos4/lib/libzpool/kernel.c
@@ -384,6 +384,7 @@ vn_open(char *path, int x1, int flags, i
vp->v_fd = fd;
vp->v_size = st.st_size;
+ vp->v_mode = st.st_mode;
vp->v_path = spa_strdup(path);
return (0);
@@ -422,10 +423,17 @@ vn_rdwr(int uio, vnode_t *vp, void *addr
* To simulate partial disk writes, we split writes into two
* system calls so that the process can be killed in between.
*/
- split = (len > 0 ? rand() % len : 0);
- iolen = pwrite64(vp->v_fd, addr, split, offset);
- iolen += pwrite64(vp->v_fd, (char *)addr + split,
- len - split, offset + split);
+#ifdef ZFS_DEBUG
+ if (!S_ISBLK(vp->v_mode) && !S_ISCHR(vp->v_mode)) {
+ split = (len > 0 ? rand() % len : 0);
+ iolen = pwrite64(vp->v_fd, addr, split, offset);
+ iolen += pwrite64(vp->v_fd, (char *)addr + split,
+ len - split, offset + split);
+ } else
+ iolen = pwrite64(vp->v_fd, addr, len, offset);
+#else
+ iolen = pwrite64(vp->v_fd, addr, len, offset);
+#endif
}
if (iolen < 0)
Index: zfs+chaos4/lib/libzpool/refcount.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/refcount.c
+++ zfs+chaos4/lib/libzpool/refcount.c
@@ -28,7 +28,7 @@
#include <sys/zfs_context.h>
#include <sys/refcount.h>
-#if defined(DEBUG) || !defined(_KERNEL)
+#if defined(DEBUG)
#ifdef _KERNEL
int reference_tracking_enable = FALSE; /* runs out of memory too easily */
Index: zfs+chaos4/lib/libzpool/spa_misc.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/spa_misc.c
+++ zfs+chaos4/lib/libzpool/spa_misc.c
@@ -178,11 +178,15 @@ kmem_cache_t *spa_buffer_pool;
int spa_mode;
#ifdef ZFS_DEBUG
+#ifdef _KERNEL
/* Everything except dprintf is on by default in debug builds */
int zfs_flags = ~ZFS_DEBUG_DPRINTF;
#else
+int zfs_flags = ~0;
+#endif /* _KERNEL */
+#else
int zfs_flags = 0;
-#endif
+#endif /* ZFS_DEBUG */
/*
* zfs_recover can be set to nonzero to attempt to recover from
patches/no-events.patch
+44
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@@ -0,0 +1,44 @@
Define away spa_event_notify() in userspace - not necessary and breaks compilation in older Solaris builds.
Index: zfs+chaos4/lib/libzfscommon/include/sys/spa.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/spa.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/spa.h
@@ -516,7 +516,11 @@ extern int spa_prop_get(spa_t *spa, nvli
extern void spa_prop_clear_bootfs(spa_t *spa, uint64_t obj, dmu_tx_t *tx);
/* asynchronous event notification */
+#ifdef _KERNEL
extern void spa_event_notify(spa_t *spa, vdev_t *vdev, const char *name);
+#else
+#define spa_event_notify(s,v,n) ((void) 0)
+#endif
#ifdef ZFS_DEBUG
#define dprintf_bp(bp, fmt, ...) do { \
Index: zfs+chaos4/lib/libzpool/spa.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/spa.c
+++ zfs+chaos4/lib/libzpool/spa.c
@@ -4449,10 +4449,10 @@ spa_has_spare(spa_t *spa, uint64_t guid)
* in the userland libzpool, as we don't want consumers to misinterpret ztest
* or zdb as real changes.
*/
+#ifdef _KERNEL
void
spa_event_notify(spa_t *spa, vdev_t *vd, const char *name)
{
-#ifdef _KERNEL
sysevent_t *ev;
sysevent_attr_list_t *attr = NULL;
sysevent_value_t value;
@@ -4497,8 +4497,8 @@ done:
if (attr)
sysevent_free_attr(attr);
sysevent_free(ev);
-#endif
}
+#endif
void
spa_discard_io(spa_t *spa)
patches/port-no-zmod.patch
+112
View File
@@ -0,0 +1,112 @@
Do not use zmod.h in userspace.
Index: zfs+chaos4/lib/libzpool/gzip.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/gzip.c
+++ zfs+chaos4/lib/libzpool/gzip.c
@@ -28,22 +28,35 @@
#include <sys/debug.h>
#include <sys/types.h>
-#include <sys/zmod.h>
#ifdef _KERNEL
+
#include <sys/systm.h>
-#else
+#include <sys/zmod.h>
+
+typedef size_t zlen_t;
+#define compress_func z_compress_level
+#define uncompress_func z_uncompress
+
+#else /* _KERNEL */
+
#include <strings.h>
+#include <zlib.h>
+
+typedef uLongf zlen_t;
+#define compress_func compress2
+#define uncompress_func uncompress
+
#endif
size_t
gzip_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)
{
- size_t dstlen = d_len;
+ zlen_t dstlen = d_len;
ASSERT(d_len <= s_len);
- if (z_compress_level(d_start, &dstlen, s_start, s_len, n) != Z_OK) {
+ if (compress_func(d_start, &dstlen, s_start, s_len, n) != Z_OK) {
if (d_len != s_len)
return (s_len);
@@ -51,18 +64,18 @@ gzip_compress(void *s_start, void *d_sta
return (s_len);
}
- return (dstlen);
+ return ((size_t) dstlen);
}
/*ARGSUSED*/
int
gzip_decompress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)
{
- size_t dstlen = d_len;
+ zlen_t dstlen = d_len;
ASSERT(d_len >= s_len);
- if (z_uncompress(d_start, &dstlen, s_start, s_len) != Z_OK)
+ if (uncompress_func(d_start, &dstlen, s_start, s_len) != Z_OK)
return (-1);
return (0);
Index: zfs+chaos4/lib/libzpool/kernel.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/kernel.c
+++ zfs+chaos4/lib/libzpool/kernel.c
@@ -36,7 +36,6 @@
#include <sys/stat.h>
#include <sys/processor.h>
#include <sys/zfs_context.h>
-#include <sys/zmod.h>
#include <sys/utsname.h>
#include <sys/time.h>
@@ -876,31 +875,6 @@ kernel_fini(void)
urandom_fd = -1;
}
-int
-z_uncompress(void *dst, size_t *dstlen, const void *src, size_t srclen)
-{
- int ret;
- uLongf len = *dstlen;
-
- if ((ret = uncompress(dst, &len, src, srclen)) == Z_OK)
- *dstlen = (size_t)len;
-
- return (ret);
-}
-
-int
-z_compress_level(void *dst, size_t *dstlen, const void *src, size_t srclen,
- int level)
-{
- int ret;
- uLongf len = *dstlen;
-
- if ((ret = compress2(dst, &len, src, srclen, level)) == Z_OK)
- *dstlen = (size_t)len;
-
- return (ret);
-}
-
/*ARGSUSED*/
size_t u8_textprep_str(char *i, size_t *il, char *o, size_t *ol, int nf,
size_t vers, int *err)
patches/port-pragma-init.patch
+52
View File
@@ -0,0 +1,52 @@
Use constructor attribute on non-Solaris platforms.
Index: zfs+chaos4/lib/libuutil/uu_misc.c
===================================================================
--- zfs+chaos4.orig/lib/libuutil/uu_misc.c
+++ zfs+chaos4/lib/libuutil/uu_misc.c
@@ -251,7 +251,13 @@ uu_release_child(void)
uu_release();
}
+#ifdef __GNUC__
+static void
+uu_init(void) __attribute__((constructor));
+#else
#pragma init(uu_init)
+#endif
+
static void
uu_init(void)
{
Index: zfs+chaos4/lib/libzfs/libzfs_mount.c
===================================================================
--- zfs+chaos4.orig/lib/libzfs/libzfs_mount.c
+++ zfs+chaos4/lib/libzfs/libzfs_mount.c
@@ -128,7 +128,13 @@ zfs_share_proto_t share_all_proto[] = {
PROTO_END
};
+#ifdef __GNUC__
+static void
+zfs_iscsi_init(void) __attribute__((constructor));
+#else
#pragma init(zfs_iscsi_init)
+#endif
+
static void
zfs_iscsi_init(void)
{
@@ -548,8 +554,12 @@ static void (*_sa_update_sharetab_ts)(sa
* values to be used later. This is triggered by the runtime loader.
* Make sure the correct ISA version is loaded.
*/
-
+#ifdef __GNUC__
+static void
+_zfs_init_libshare(void) __attribute__((constructor));
+#else
#pragma init(_zfs_init_libshare)
+#endif
static void
_zfs_init_libshare(void)
{
patches/pthreads.patch
+924
View File
@@ -0,0 +1,924 @@
Use POSIX threads in userspace.
Index: zfs+chaos4/cmd/lztest/ztest.c
===================================================================
--- zfs+chaos4.orig/cmd/lztest/ztest.c
+++ zfs+chaos4/cmd/lztest/ztest.c
@@ -141,7 +141,7 @@ typedef struct ztest_args {
spa_t *za_spa;
objset_t *za_os;
zilog_t *za_zilog;
- thread_t za_thread;
+ pthread_t za_thread;
uint64_t za_instance;
uint64_t za_random;
uint64_t za_diroff;
@@ -224,17 +224,17 @@ ztest_info_t ztest_info[] = {
* Stuff we need to share writably between parent and child.
*/
typedef struct ztest_shared {
- mutex_t zs_vdev_lock;
- rwlock_t zs_name_lock;
- uint64_t zs_vdev_primaries;
- uint64_t zs_enospc_count;
- hrtime_t zs_start_time;
- hrtime_t zs_stop_time;
- uint64_t zs_alloc;
- uint64_t zs_space;
- ztest_info_t zs_info[ZTEST_FUNCS];
- mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS];
- uint64_t zs_seq[ZTEST_SYNC_LOCKS];
+ pthread_mutex_t zs_vdev_lock;
+ pthread_rwlock_t zs_name_lock;
+ uint64_t zs_vdev_primaries;
+ uint64_t zs_enospc_count;
+ hrtime_t zs_start_time;
+ hrtime_t zs_stop_time;
+ uint64_t zs_alloc;
+ uint64_t zs_space;
+ ztest_info_t zs_info[ZTEST_FUNCS];
+ pthread_mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS];
+ uint64_t zs_seq[ZTEST_SYNC_LOCKS];
} ztest_shared_t;
static char ztest_dev_template[] = "%s/%s.%llua";
@@ -818,7 +818,7 @@ ztest_spa_create_destroy(ztest_args_t *z
* Attempt to create an existing pool. It shouldn't matter
* what's in the nvroot; we should fail with EEXIST.
*/
- (void) rw_rdlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
nvroot = make_vdev_root(0, 0, 0, 0, 1);
error = spa_create(za->za_pool, nvroot, NULL, NULL);
nvlist_free(nvroot);
@@ -834,7 +834,7 @@ ztest_spa_create_destroy(ztest_args_t *z
fatal(0, "spa_destroy() = %d", error);
spa_close(spa, FTAG);
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
}
/*
@@ -851,7 +851,7 @@ ztest_vdev_add_remove(ztest_args_t *za)
if (zopt_verbose >= 6)
(void) printf("adding vdev\n");
- (void) mutex_lock(&ztest_shared->zs_vdev_lock);
+ (void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
spa_config_enter(spa, RW_READER, FTAG);
@@ -869,7 +869,7 @@ ztest_vdev_add_remove(ztest_args_t *za)
error = spa_vdev_add(spa, nvroot);
nvlist_free(nvroot);
- (void) mutex_unlock(&ztest_shared->zs_vdev_lock);
+ (void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
if (error == ENOSPC)
ztest_record_enospc("spa_vdev_add");
@@ -927,7 +927,7 @@ ztest_vdev_attach_detach(ztest_args_t *z
int error, expected_error;
int fd;
- (void) mutex_lock(&ztest_shared->zs_vdev_lock);
+ (void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
spa_config_enter(spa, RW_READER, FTAG);
@@ -1054,7 +1054,7 @@ ztest_vdev_attach_detach(ztest_args_t *z
oldpath, newpath, replacing, error, expected_error);
}
- (void) mutex_unlock(&ztest_shared->zs_vdev_lock);
+ (void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
}
/*
@@ -1071,7 +1071,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
size_t fsize;
int fd;
- (void) mutex_lock(&ztest_shared->zs_vdev_lock);
+ (void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
/*
* Pick a random leaf vdev.
@@ -1102,7 +1102,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
(void) close(fd);
}
- (void) mutex_unlock(&ztest_shared->zs_vdev_lock);
+ (void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
}
/* ARGSUSED */
@@ -1198,7 +1198,7 @@ ztest_dmu_objset_create_destroy(ztest_ar
uint64_t objects;
ztest_replay_t zr;
- (void) rw_rdlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
(void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool,
(u_longlong_t)za->za_instance);
@@ -1242,7 +1242,7 @@ ztest_dmu_objset_create_destroy(ztest_ar
if (error) {
if (error == ENOSPC) {
ztest_record_enospc("dmu_objset_create");
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
return;
}
fatal(0, "dmu_objset_create(%s) = %d", name, error);
@@ -1321,7 +1321,7 @@ ztest_dmu_objset_create_destroy(ztest_ar
if (error)
fatal(0, "dmu_objset_destroy(%s) = %d", name, error);
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
}
/*
@@ -1335,7 +1335,7 @@ ztest_dmu_snapshot_create_destroy(ztest_
char snapname[100];
char osname[MAXNAMELEN];
- (void) rw_rdlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
dmu_objset_name(os, osname);
(void) snprintf(snapname, 100, "%s@%llu", osname,
(u_longlong_t)za->za_instance);
@@ -1348,7 +1348,7 @@ ztest_dmu_snapshot_create_destroy(ztest_
ztest_record_enospc("dmu_take_snapshot");
else if (error != 0 && error != EEXIST)
fatal(0, "dmu_take_snapshot() = %d", error);
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
}
#define ZTEST_TRAVERSE_BLOCKS 1000
@@ -1992,7 +1992,7 @@ ztest_dmu_write_parallel(ztest_args_t *z
int bs = ZTEST_DIROBJ_BLOCKSIZE;
int do_free = 0;
uint64_t off, txg_how;
- mutex_t *lp;
+ pthread_mutex_t *lp;
char osname[MAXNAMELEN];
char iobuf[SPA_MAXBLOCKSIZE];
blkptr_t blk = { 0 };
@@ -2041,7 +2041,7 @@ ztest_dmu_write_parallel(ztest_args_t *z
}
lp = &ztest_shared->zs_sync_lock[b];
- (void) mutex_lock(lp);
+ (void) pthread_mutex_lock(lp);
wbt->bt_objset = dmu_objset_id(os);
wbt->bt_object = ZTEST_DIROBJ;
@@ -2087,7 +2087,7 @@ ztest_dmu_write_parallel(ztest_args_t *z
dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx);
}
- (void) mutex_unlock(lp);
+ (void) pthread_mutex_unlock(lp);
if (ztest_random(1000) == 0)
(void) poll(NULL, 0, 1); /* open dn_notxholds window */
@@ -2106,7 +2106,7 @@ ztest_dmu_write_parallel(ztest_args_t *z
/*
* dmu_sync() the block we just wrote.
*/
- (void) mutex_lock(lp);
+ (void) pthread_mutex_lock(lp);
blkoff = P2ALIGN_TYPED(off, bs, uint64_t);
error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db);
@@ -2114,7 +2114,7 @@ ztest_dmu_write_parallel(ztest_args_t *z
if (error) {
dprintf("dmu_buf_hold(%s, %d, %llx) = %d\n",
osname, ZTEST_DIROBJ, blkoff, error);
- (void) mutex_unlock(lp);
+ (void) pthread_mutex_unlock(lp);
return;
}
blkoff = off - blkoff;
@@ -2122,7 +2122,7 @@ ztest_dmu_write_parallel(ztest_args_t *z
dmu_buf_rele(db, FTAG);
za->za_dbuf = NULL;
- (void) mutex_unlock(lp);
+ (void) pthread_mutex_unlock(lp);
if (error) {
dprintf("dmu_sync(%s, %d, %llx) = %d\n",
@@ -2502,7 +2502,7 @@ ztest_dsl_prop_get_set(ztest_args_t *za)
char osname[MAXNAMELEN];
int error;
- (void) rw_rdlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
dmu_objset_name(os, osname);
@@ -2541,7 +2541,7 @@ ztest_dsl_prop_get_set(ztest_args_t *za)
}
}
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
}
static void
@@ -2693,7 +2693,7 @@ ztest_spa_rename(ztest_args_t *za)
int error;
spa_t *spa;
- (void) rw_wrlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_wrlock(&ztest_shared->zs_name_lock);
oldname = za->za_pool;
newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL);
@@ -2745,7 +2745,7 @@ ztest_spa_rename(ztest_args_t *za)
umem_free(newname, strlen(newname) + 1);
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
}
@@ -3090,13 +3090,13 @@ ztest_run(char *pool)
ztest_args_t *za;
spa_t *spa;
char name[100];
- thread_t tid;
+ pthread_t tid;
- (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL);
- (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL);
+ (void) pthread_mutex_init(&zs->zs_vdev_lock, NULL);
+ (void) pthread_rwlock_init(&zs->zs_name_lock, NULL);
for (t = 0; t < ZTEST_SYNC_LOCKS; t++)
- (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL);
+ (void) pthread_mutex_init(&zs->zs_sync_lock[t], NULL);
/*
* Destroy one disk before we even start.
@@ -3153,7 +3153,7 @@ ztest_run(char *pool)
* start the thread before setting the zio_io_fail_shift, which
* will indicate our failure rate.
*/
- error = thr_create(0, 0, ztest_suspend_monitor, NULL, THR_BOUND, &tid);
+ error = pthread_create(&tid, NULL, ztest_suspend_monitor, NULL);
if (error) {
fatal(0, "can't create suspend monitor thread: error %d",
t, error);
@@ -3217,7 +3217,7 @@ ztest_run(char *pool)
if (t < zopt_datasets) {
ztest_replay_t zr;
int test_future = FALSE;
- (void) rw_rdlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0,
ztest_create_cb, NULL);
@@ -3225,7 +3225,7 @@ ztest_run(char *pool)
test_future = TRUE;
} else if (error == ENOSPC) {
zs->zs_enospc_count++;
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
break;
} else if (error != 0) {
fatal(0, "dmu_objset_create(%s) = %d",
@@ -3236,7 +3236,7 @@ ztest_run(char *pool)
if (error)
fatal(0, "dmu_objset_open('%s') = %d",
name, error);
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
if (test_future)
ztest_dmu_check_future_leak(&za[t]);
zr.zr_os = za[d].za_os;
@@ -3245,15 +3245,15 @@ ztest_run(char *pool)
za[d].za_zilog = zil_open(za[d].za_os, NULL);
}
- error = thr_create(0, 0, ztest_thread, &za[t], THR_BOUND,
- &za[t].za_thread);
+ error = pthread_create(&za[t].za_thread, NULL, ztest_thread,
+ &za[t]);
if (error)
fatal(0, "can't create thread %d: error %d",
t, error);
}
while (--t >= 0) {
- error = thr_join(za[t].za_thread, NULL, NULL);
+ error = pthread_join(za[t].za_thread, NULL);
if (error)
fatal(0, "thr_join(%d) = %d", t, error);
if (za[t].za_th)
@@ -3276,14 +3276,14 @@ ztest_run(char *pool)
* If we had out-of-space errors, destroy a random objset.
*/
if (zs->zs_enospc_count != 0) {
- (void) rw_rdlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
d = (int)ztest_random(zopt_datasets);
(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
if (zopt_verbose >= 3)
(void) printf("Destroying %s to free up space\n", name);
(void) dmu_objset_find(name, ztest_destroy_cb, &za[d],
DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
- (void) rw_unlock(&ztest_shared->zs_name_lock);
+ (void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
}
txg_wait_synced(spa_get_dsl(spa), 0);
@@ -3301,7 +3301,7 @@ ztest_run(char *pool)
mutex_enter(&spa->spa_zio_lock);
cv_broadcast(&spa->spa_zio_cv);
mutex_exit(&spa->spa_zio_lock);
- error = thr_join(tid, NULL, NULL);
+ error = pthread_join(tid, NULL);
if (error)
fatal(0, "thr_join(%d) = %d", tid, error);
Index: zfs+chaos4/lib/libuutil/uu_misc.c
===================================================================
--- zfs+chaos4.orig/lib/libuutil/uu_misc.c
+++ zfs+chaos4/lib/libuutil/uu_misc.c
@@ -37,7 +37,6 @@
#include <stdlib.h>
#include <string.h>
#include <sys/debug.h>
-#include <thread.h>
#include <unistd.h>
#if !defined(TEXT_DOMAIN)
@@ -70,11 +69,12 @@ static va_list uu_panic_args;
static pthread_t uu_panic_thread;
static uint32_t _uu_main_error;
+static __thread int _uu_main_thread = 0;
void
uu_set_error(uint_t code)
{
- if (thr_main() != 0) {
+ if (_uu_main_thread) {
_uu_main_error = code;
return;
}
@@ -103,7 +103,7 @@ uu_set_error(uint_t code)
uint32_t
uu_error(void)
{
- if (thr_main() != 0)
+ if (_uu_main_thread)
return (_uu_main_error);
if (uu_error_key_setup < 0) /* can't happen? */
@@ -255,5 +255,6 @@ uu_release_child(void)
static void
uu_init(void)
{
+ _uu_main_thread = 1;
(void) pthread_atfork(uu_lockup, uu_release, uu_release_child);
}
Index: zfs+chaos4/lib/libzfscommon/include/sys/zfs_context_user.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/zfs_context_user.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/zfs_context_user.h
@@ -52,8 +52,7 @@ extern "C" {
#include <errno.h>
#include <string.h>
#include <strings.h>
-#include <synch.h>
-#include <thread.h>
+#include <pthread.h>
#include <assert.h>
#include <alloca.h>
#include <umem.h>
@@ -191,13 +190,15 @@ _NOTE(CONSTCOND) } while (0)
/*
* Threads
*/
-#define curthread ((void *)(uintptr_t)thr_self())
+
+/* XXX: not portable */
+#define curthread ((void *)(uintptr_t)pthread_self())
typedef struct kthread kthread_t;
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
zk_thread_create(func, arg)
-#define thread_exit() thr_exit(NULL)
+#define thread_exit() pthread_exit(NULL)
extern kthread_t *zk_thread_create(void (*func)(), void *arg);
@@ -207,28 +208,18 @@ extern kthread_t *zk_thread_create(void
/*
* Mutexes
*/
+#define MTX_MAGIC 0x9522f51362a6e326ull
typedef struct kmutex {
void *m_owner;
- boolean_t initialized;
- mutex_t m_lock;
+ uint64_t m_magic;
+ pthread_mutex_t m_lock;
} kmutex_t;
-#define MUTEX_DEFAULT USYNC_THREAD
-#undef MUTEX_HELD
-#define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
-
-/*
- * Argh -- we have to get cheesy here because the kernel and userland
- * have different signatures for the same routine.
- */
-extern int _mutex_init(mutex_t *mp, int type, void *arg);
-extern int _mutex_destroy(mutex_t *mp);
-
-#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
-#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
+#define MUTEX_DEFAULT 0
+#define MUTEX_HELD(m) ((m)->m_owner == curthread)
-extern void zmutex_init(kmutex_t *mp);
-extern void zmutex_destroy(kmutex_t *mp);
+extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
+extern void mutex_destroy(kmutex_t *mp);
extern void mutex_enter(kmutex_t *mp);
extern void mutex_exit(kmutex_t *mp);
extern int mutex_tryenter(kmutex_t *mp);
@@ -237,23 +228,24 @@ extern void *mutex_owner(kmutex_t *mp);
/*
* RW locks
*/
+#define RW_MAGIC 0x4d31fb123648e78aull
typedef struct krwlock {
- void *rw_owner;
- boolean_t initialized;
- rwlock_t rw_lock;
+ void *rw_owner;
+ void *rw_wr_owner;
+ uint64_t rw_magic;
+ pthread_rwlock_t rw_lock;
+ uint_t rw_readers;
} krwlock_t;
typedef int krw_t;
#define RW_READER 0
#define RW_WRITER 1
-#define RW_DEFAULT USYNC_THREAD
-
-#undef RW_READ_HELD
-#define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
+#define RW_DEFAULT 0
-#undef RW_WRITE_HELD
-#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
+#define RW_READ_HELD(x) ((x)->rw_readers > 0)
+#define RW_WRITE_HELD(x) ((x)->rw_wr_owner == curthread)
+#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
extern void rw_destroy(krwlock_t *rwlp);
@@ -271,9 +263,13 @@ extern gid_t *crgetgroups(cred_t *cr);
/*
* Condition variables
*/
-typedef cond_t kcondvar_t;
+#define CV_MAGIC 0xd31ea9a83b1b30c4ull
+typedef struct kcondvar {
+ uint64_t cv_magic;
+ pthread_cond_t cv;
+} kcondvar_t;
-#define CV_DEFAULT USYNC_THREAD
+#define CV_DEFAULT 0
extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
extern void cv_destroy(kcondvar_t *cv);
@@ -444,7 +440,8 @@ extern void delay(clock_t ticks);
#define minclsyspri 60
#define maxclsyspri 99
-#define CPU_SEQID (thr_self() & (max_ncpus - 1))
+/* XXX: not portable */
+#define CPU_SEQID (pthread_self() & (max_ncpus - 1))
#define kcred NULL
#define CRED() NULL
Index: zfs+chaos4/lib/libzpool/kernel.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/kernel.c
+++ zfs+chaos4/lib/libzpool/kernel.c
@@ -38,6 +38,7 @@
#include <sys/zfs_context.h>
#include <sys/zmod.h>
#include <sys/utsname.h>
+#include <sys/time.h>
/*
* Emulation of kernel services in userland.
@@ -60,11 +61,15 @@ struct utsname utsname = {
kthread_t *
zk_thread_create(void (*func)(), void *arg)
{
- thread_t tid;
+ pthread_t tid;
- VERIFY(thr_create(0, 0, (void *(*)(void *))func, arg, THR_DETACHED,
- &tid) == 0);
+ pthread_attr_t attr;
+ VERIFY(pthread_attr_init(&attr) == 0);
+ VERIFY(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) == 0);
+ VERIFY(pthread_create(&tid, &attr, (void *(*)(void *))func, arg) == 0);
+
+ /* XXX: not portable */
return ((void *)(uintptr_t)tid);
}
@@ -97,30 +102,37 @@ kstat_delete(kstat_t *ksp)
* =========================================================================
*/
void
-zmutex_init(kmutex_t *mp)
+mutex_init(kmutex_t *mp, char *name, int type, void *cookie)
{
+ ASSERT(type == MUTEX_DEFAULT);
+ ASSERT(cookie == NULL);
+
+#ifdef IM_FEELING_LUCKY
+ ASSERT(mp->m_magic != MTX_MAGIC);
+#endif
+
mp->m_owner = NULL;
- mp->initialized = B_TRUE;
- (void) _mutex_init(&mp->m_lock, USYNC_THREAD, NULL);
+ mp->m_magic = MTX_MAGIC;
+ VERIFY3S(pthread_mutex_init(&mp->m_lock, NULL), ==, 0);
}
void
-zmutex_destroy(kmutex_t *mp)
+mutex_destroy(kmutex_t *mp)
{
- ASSERT(mp->initialized == B_TRUE);
+ ASSERT(mp->m_magic == MTX_MAGIC);
ASSERT(mp->m_owner == NULL);
- (void) _mutex_destroy(&(mp)->m_lock);
+ VERIFY3S(pthread_mutex_destroy(&(mp)->m_lock), ==, 0);
mp->m_owner = (void *)-1UL;
- mp->initialized = B_FALSE;
+ mp->m_magic = 0;
}
void
mutex_enter(kmutex_t *mp)
{
- ASSERT(mp->initialized == B_TRUE);
+ ASSERT(mp->m_magic == MTX_MAGIC);
ASSERT(mp->m_owner != (void *)-1UL);
ASSERT(mp->m_owner != curthread);
- VERIFY(mutex_lock(&mp->m_lock) == 0);
+ VERIFY3S(pthread_mutex_lock(&mp->m_lock), ==, 0);
ASSERT(mp->m_owner == NULL);
mp->m_owner = curthread;
}
@@ -128,9 +140,9 @@ mutex_enter(kmutex_t *mp)
int
mutex_tryenter(kmutex_t *mp)
{
- ASSERT(mp->initialized == B_TRUE);
+ ASSERT(mp->m_magic == MTX_MAGIC);
ASSERT(mp->m_owner != (void *)-1UL);
- if (0 == mutex_trylock(&mp->m_lock)) {
+ if (0 == pthread_mutex_trylock(&mp->m_lock)) {
ASSERT(mp->m_owner == NULL);
mp->m_owner = curthread;
return (1);
@@ -142,16 +154,16 @@ mutex_tryenter(kmutex_t *mp)
void
mutex_exit(kmutex_t *mp)
{
- ASSERT(mp->initialized == B_TRUE);
+ ASSERT(mp->m_magic == MTX_MAGIC);
ASSERT(mutex_owner(mp) == curthread);
mp->m_owner = NULL;
- VERIFY(mutex_unlock(&mp->m_lock) == 0);
+ VERIFY3S(pthread_mutex_unlock(&mp->m_lock), ==, 0);
}
void *
mutex_owner(kmutex_t *mp)
{
- ASSERT(mp->initialized == B_TRUE);
+ ASSERT(mp->m_magic == MTX_MAGIC);
return (mp->m_owner);
}
@@ -164,31 +176,48 @@ mutex_owner(kmutex_t *mp)
void
rw_init(krwlock_t *rwlp, char *name, int type, void *arg)
{
- rwlock_init(&rwlp->rw_lock, USYNC_THREAD, NULL);
+ ASSERT(type == RW_DEFAULT);
+ ASSERT(arg == NULL);
+
+#ifdef IM_FEELING_LUCKY
+ ASSERT(rwlp->rw_magic != RW_MAGIC);
+#endif
+
+ VERIFY3S(pthread_rwlock_init(&rwlp->rw_lock, NULL), ==, 0);
rwlp->rw_owner = NULL;
- rwlp->initialized = B_TRUE;
+ rwlp->rw_wr_owner = NULL;
+ rwlp->rw_readers = 0;
+ rwlp->rw_magic = RW_MAGIC;
}
void
rw_destroy(krwlock_t *rwlp)
{
- rwlock_destroy(&rwlp->rw_lock);
- rwlp->rw_owner = (void *)-1UL;
- rwlp->initialized = B_FALSE;
+ ASSERT(rwlp->rw_magic == RW_MAGIC);
+
+ VERIFY3S(pthread_rwlock_destroy(&rwlp->rw_lock), ==, 0);
+ rwlp->rw_magic = 0;
}
void
rw_enter(krwlock_t *rwlp, krw_t rw)
{
- ASSERT(!RW_LOCK_HELD(rwlp));
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
+ ASSERT(rwlp->rw_magic == RW_MAGIC);
ASSERT(rwlp->rw_owner != curthread);
+ ASSERT(rwlp->rw_wr_owner != curthread);
- if (rw == RW_READER)
- (void) rw_rdlock(&rwlp->rw_lock);
- else
- (void) rw_wrlock(&rwlp->rw_lock);
+ if (rw == RW_READER) {
+ VERIFY3S(pthread_rwlock_rdlock(&rwlp->rw_lock), ==, 0);
+ ASSERT(rwlp->rw_wr_owner == NULL);
+
+ atomic_inc_uint(&rwlp->rw_readers);
+ } else {
+ VERIFY3S(pthread_rwlock_wrlock(&rwlp->rw_lock), ==, 0);
+ ASSERT(rwlp->rw_wr_owner == NULL);
+ ASSERT3U(rwlp->rw_readers, ==, 0);
+
+ rwlp->rw_wr_owner = curthread;
+ }
rwlp->rw_owner = curthread;
}
@@ -196,11 +225,16 @@ rw_enter(krwlock_t *rwlp, krw_t rw)
void
rw_exit(krwlock_t *rwlp)
{
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
+ ASSERT(rwlp->rw_magic == RW_MAGIC);
+ ASSERT(RW_LOCK_HELD(rwlp));
+
+ if (RW_READ_HELD(rwlp))
+ atomic_dec_uint(&rwlp->rw_readers);
+ else
+ rwlp->rw_wr_owner = NULL;
rwlp->rw_owner = NULL;
- (void) rw_unlock(&rwlp->rw_lock);
+ VERIFY3S(pthread_rwlock_unlock(&rwlp->rw_lock), ==, 0);
}
int
@@ -208,19 +242,29 @@ rw_tryenter(krwlock_t *rwlp, krw_t rw)
{
int rv;
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
+ ASSERT(rwlp->rw_magic == RW_MAGIC);
if (rw == RW_READER)
- rv = rw_tryrdlock(&rwlp->rw_lock);
+ rv = pthread_rwlock_tryrdlock(&rwlp->rw_lock);
else
- rv = rw_trywrlock(&rwlp->rw_lock);
+ rv = pthread_rwlock_trywrlock(&rwlp->rw_lock);
if (rv == 0) {
+ ASSERT(rwlp->rw_wr_owner == NULL);
+
+ if (rw == RW_READER)
+ atomic_inc_uint(&rwlp->rw_readers);
+ else {
+ ASSERT3U(rwlp->rw_readers, ==, 0);
+ rwlp->rw_wr_owner = curthread;
+ }
+
rwlp->rw_owner = curthread;
return (1);
}
+ VERIFY3S(rv, ==, EBUSY);
+
return (0);
}
@@ -228,8 +272,7 @@ rw_tryenter(krwlock_t *rwlp, krw_t rw)
int
rw_tryupgrade(krwlock_t *rwlp)
{
- ASSERT(rwlp->initialized == B_TRUE);
- ASSERT(rwlp->rw_owner != (void *)-1UL);
+ ASSERT(rwlp->rw_magic == RW_MAGIC);
return (0);
}
@@ -243,22 +286,34 @@ rw_tryupgrade(krwlock_t *rwlp)
void
cv_init(kcondvar_t *cv, char *name, int type, void *arg)
{
- VERIFY(cond_init(cv, type, NULL) == 0);
+ ASSERT(type == CV_DEFAULT);
+
+#ifdef IM_FEELING_LUCKY
+ ASSERT(cv->cv_magic != CV_MAGIC);
+#endif
+
+ cv->cv_magic = CV_MAGIC;
+
+ VERIFY3S(pthread_cond_init(&cv->cv, NULL), ==, 0);
}
void
cv_destroy(kcondvar_t *cv)
{
- VERIFY(cond_destroy(cv) == 0);
+ ASSERT(cv->cv_magic == CV_MAGIC);
+ VERIFY3S(pthread_cond_destroy(&cv->cv), ==, 0);
+ cv->cv_magic = 0;
}
void
cv_wait(kcondvar_t *cv, kmutex_t *mp)
{
+ ASSERT(cv->cv_magic == CV_MAGIC);
ASSERT(mutex_owner(mp) == curthread);
mp->m_owner = NULL;
- int ret = cond_wait(cv, &mp->m_lock);
- VERIFY(ret == 0 || ret == EINTR);
+ int ret = pthread_cond_wait(&cv->cv, &mp->m_lock);
+ if (ret != 0)
+ VERIFY3S(ret, ==, EINTR);
mp->m_owner = curthread;
}
@@ -266,29 +321,38 @@ clock_t
cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime)
{
int error;
+ struct timeval tv;
timestruc_t ts;
clock_t delta;
+ ASSERT(cv->cv_magic == CV_MAGIC);
+
top:
delta = abstime - lbolt;
if (delta <= 0)
return (-1);
- ts.tv_sec = delta / hz;
- ts.tv_nsec = (delta % hz) * (NANOSEC / hz);
+ VERIFY(gettimeofday(&tv, NULL) == 0);
+
+ ts.tv_sec = tv.tv_sec + delta / hz;
+ ts.tv_nsec = tv.tv_usec * 1000 + (delta % hz) * (NANOSEC / hz);
+ if (ts.tv_nsec >= NANOSEC) {
+ ts.tv_sec++;
+ ts.tv_nsec -= NANOSEC;
+ }
ASSERT(mutex_owner(mp) == curthread);
mp->m_owner = NULL;
- error = cond_reltimedwait(cv, &mp->m_lock, &ts);
+ error = pthread_cond_timedwait(&cv->cv, &mp->m_lock, &ts);
mp->m_owner = curthread;
- if (error == ETIME)
+ if (error == ETIMEDOUT)
return (-1);
if (error == EINTR)
goto top;
- ASSERT(error == 0);
+ VERIFY3S(error, ==, 0);
return (1);
}
@@ -296,13 +360,15 @@ top:
void
cv_signal(kcondvar_t *cv)
{
- VERIFY(cond_signal(cv) == 0);
+ ASSERT(cv->cv_magic == CV_MAGIC);
+ VERIFY3S(pthread_cond_signal(&cv->cv), ==, 0);
}
void
cv_broadcast(kcondvar_t *cv)
{
- VERIFY(cond_broadcast(cv) == 0);
+ ASSERT(cv->cv_magic == CV_MAGIC);
+ VERIFY3S(pthread_cond_broadcast(&cv->cv), ==, 0);
}
/*
@@ -549,11 +615,11 @@ __dprintf(const char *file, const char *
dprintf_find_string(func)) {
/* Print out just the function name if requested */
flockfile(stdout);
- /* XXX: the following printf may not be portable */
+ /* XXX: the following 2 printfs may not be portable */
if (dprintf_find_string("pid"))
(void) printf("%llu ", (u_longlong_t) getpid());
if (dprintf_find_string("tid"))
- (void) printf("%u ", (uint_t) thr_self());
+ (void) printf("%u ", (uint_t) pthread_self());
if (dprintf_find_string("cpu"))
(void) printf("%u ", getcpuid());
if (dprintf_find_string("time"))
Index: zfs+chaos4/lib/libzpool/taskq.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/taskq.c
+++ zfs+chaos4/lib/libzpool/taskq.c
@@ -43,7 +43,7 @@ struct taskq {
krwlock_t tq_threadlock;
kcondvar_t tq_dispatch_cv;
kcondvar_t tq_wait_cv;
- thread_t *tq_threadlist;
+ pthread_t *tq_threadlist;
int tq_flags;
int tq_active;
int tq_nthreads;
@@ -186,7 +186,7 @@ taskq_create(const char *name, int nthre
tq->tq_maxalloc = maxalloc;
tq->tq_task.task_next = &tq->tq_task;
tq->tq_task.task_prev = &tq->tq_task;
- tq->tq_threadlist = kmem_alloc(nthreads * sizeof (thread_t), KM_SLEEP);
+ tq->tq_threadlist = kmem_alloc(nthreads * sizeof (pthread_t), KM_SLEEP);
if (flags & TASKQ_PREPOPULATE) {
mutex_enter(&tq->tq_lock);
@@ -196,8 +196,8 @@ taskq_create(const char *name, int nthre
}
for (t = 0; t < nthreads; t++)
- VERIFY(thr_create(0, 0, taskq_thread,
- tq, THR_BOUND, &tq->tq_threadlist[t]) == 0);
+ VERIFY(pthread_create(&tq->tq_threadlist[t],
+ NULL, taskq_thread, tq) == 0);
return (tq);
}
@@ -227,9 +227,9 @@ taskq_destroy(taskq_t *tq)
mutex_exit(&tq->tq_lock);
for (t = 0; t < nthreads; t++)
- VERIFY(thr_join(tq->tq_threadlist[t], NULL, NULL) == 0);
+ VERIFY(pthread_join(tq->tq_threadlist[t], NULL) == 0);
- kmem_free(tq->tq_threadlist, nthreads * sizeof (thread_t));
+ kmem_free(tq->tq_threadlist, nthreads * sizeof (pthread_t));
rw_destroy(&tq->tq_threadlock);
mutex_destroy(&tq->tq_lock);
@@ -248,7 +248,7 @@ taskq_member(taskq_t *tq, void *t)
return (1);
for (i = 0; i < tq->tq_nthreads; i++)
- if (tq->tq_threadlist[i] == (thread_t)(uintptr_t)t)
+ if (tq->tq_threadlist[i] == (pthread_t)(uintptr_t)t)
return (1);
return (0);
patches/zap-cursor-move-to-key.patch
+115
View File
@@ -0,0 +1,115 @@
Add a ZAP API to move a ZAP cursor to a given key.
Index: zfs+chaos4/lib/libzfscommon/include/sys/zap.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/zap.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/zap.h
@@ -302,6 +302,11 @@ void zap_cursor_advance(zap_cursor_t *zc
uint64_t zap_cursor_serialize(zap_cursor_t *zc);
/*
+ * Advance the cursor to the attribute having the key.
+ */
+int zap_cursor_move_to_key(zap_cursor_t *zc, const char *name, matchtype_t mt);
+
+/*
* Initialize a zap cursor pointing to the position recorded by
* zap_cursor_serialize (in the "serialized" argument). You can also
* use a "serialized" argument of 0 to start at the beginning of the
Index: zfs+chaos4/lib/libzfscommon/include/sys/zap_impl.h
===================================================================
--- zfs+chaos4.orig/lib/libzfscommon/include/sys/zap_impl.h
+++ zfs+chaos4/lib/libzfscommon/include/sys/zap_impl.h
@@ -210,6 +210,7 @@ int fzap_add_cd(zap_name_t *zn,
uint64_t integer_size, uint64_t num_integers,
const void *val, uint32_t cd, dmu_tx_t *tx);
void fzap_upgrade(zap_t *zap, dmu_tx_t *tx);
+int fzap_cursor_move_to_key(zap_cursor_t *zc, zap_name_t *zn);
#ifdef __cplusplus
}
Index: zfs+chaos4/lib/libzpool/zap.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/zap.c
+++ zfs+chaos4/lib/libzpool/zap.c
@@ -1029,6 +1029,30 @@ zap_stats_ptrtbl(zap_t *zap, uint64_t *t
}
}
+int fzap_cursor_move_to_key(zap_cursor_t *zc, zap_name_t *zn)
+{
+ int err;
+ zap_leaf_t *l;
+ zap_entry_handle_t zeh;
+ uint64_t hash;
+
+ if (zn->zn_name_orij && strlen(zn->zn_name_orij) > ZAP_MAXNAMELEN)
+ return (E2BIG);
+
+ err = zap_deref_leaf(zc->zc_zap, zn->zn_hash, NULL, RW_READER, &l);
+ if (err != 0)
+ return (err);
+
+ err = zap_leaf_lookup(l, zn, &zeh);
+ if (err != 0)
+ return (err);
+
+ zc->zc_leaf = l;
+ zc->zc_hash = zeh.zeh_hash;
+ zc->zc_cd = zeh.zeh_cd;
+ return 0;
+}
+
void
fzap_get_stats(zap_t *zap, zap_stats_t *zs)
{
Index: zfs+chaos4/lib/libzpool/zap_micro.c
===================================================================
--- zfs+chaos4.orig/lib/libzpool/zap_micro.c
+++ zfs+chaos4/lib/libzpool/zap_micro.c
@@ -1045,6 +1045,45 @@ zap_cursor_advance(zap_cursor_t *zc)
}
}
+int zap_cursor_move_to_key(zap_cursor_t *zc, const char *name, matchtype_t mt)
+{
+ int err = 0;
+ mzap_ent_t *mze;
+ zap_name_t *zn;
+
+ if (zc->zc_zap == NULL) {
+ err = zap_lockdir(zc->zc_objset, zc->zc_zapobj, NULL,
+ RW_READER, TRUE, FALSE, &zc->zc_zap);
+ if (err)
+ return (err);
+ } else {
+ rw_enter(&zc->zc_zap->zap_rwlock, RW_READER);
+ }
+
+ zn = zap_name_alloc(zc->zc_zap, name, mt);
+ if (zn == NULL) {
+ rw_exit(&zc->zc_zap->zap_rwlock);
+ return (ENOTSUP);
+ }
+
+ if (!zc->zc_zap->zap_ismicro) {
+ err = fzap_cursor_move_to_key(zc, zn);
+ } else {
+ mze = mze_find(zn);
+ if (mze == NULL) {
+ err = (ENOENT);
+ goto out;
+ }
+ zc->zc_hash = mze->mze_hash;
+ zc->zc_cd = mze->mze_phys.mze_cd;
+ }
+
+out:
+ zap_name_free(zn);
+ rw_exit(&zc->zc_zap->zap_rwlock);
+ return (err);
+}
+
int
zap_get_stats(objset_t *os, uint64_t zapobj, zap_stats_t *zs)
{