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Merge commit 'refs/top-bases/linux-debug-zerocopy' into linux-debug-zerocopy

This commit is contained in:
Brian Behlendorf 2010-05-28 12:43:02 -07:00
parent bef5e9aab8 6324adf280
commit ea356d9855
16 changed files with 104 additions and 109 deletions
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19
lib/libzfs/libzfs_dataset.c
View File

@ -689,14 +689,15 @@ libzfs_mnttab_remove(libzfs_handle_t *hdl, const char *fsname)
}
int
zfs_spa_version(zfs_handle_t *zhp, int *version)
zfs_spa_version(zfs_handle_t *zhp, int *spa_version)
{
zpool_handle_t *handle = zhp->zpool_hdl;
zpool_handle_t *zpool_handle = zhp->zpool_hdl;
if (handle == NULL)
if (zpool_handle == NULL)
return (-1);
*version = zpool_get_prop_int(handle, ZPOOL_PROP_VERSION, NULL);
*spa_version = zpool_get_prop_int(zpool_handle,
ZPOOL_PROP_VERSION, NULL);
return (0);
}
@ -706,12 +707,12 @@ zfs_spa_version(zfs_handle_t *zhp, int *version)
static int
zfs_which_resv_prop(zfs_handle_t *zhp, zfs_prop_t *resv_prop)
{
int version;
int spa_version;
if (zfs_spa_version(zhp, &version) < 0)
if (zfs_spa_version(zhp, &spa_version) < 0)
return (-1);
if (version >= SPA_VERSION_REFRESERVATION)
if (spa_version >= SPA_VERSION_REFRESERVATION)
*resv_prop = ZFS_PROP_REFRESERVATION;
else
*resv_prop = ZFS_PROP_RESERVATION;
@ -1742,11 +1743,11 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen,
*/
{
val = getprop_uint64(zhp, prop, &source);
time_t local_time = (time_t)val;
time_t time = (time_t)val;
struct tm t;
if (literal ||
localtime_r(&local_time, &t) == NULL ||
localtime_r(&time, &t) == NULL ||
strftime(propbuf, proplen, "%a %b %e %k:%M %Y",
&t) == 0)
(void) snprintf(propbuf, proplen, "%llu", (u_longlong_t) val);

4
lib/libzfs/libzfs_mount.c
View File

@ -211,12 +211,12 @@ is_shared(libzfs_handle_t *hdl, const char *mountpoint, zfs_share_proto_t proto)
* informative error message.
*/
static boolean_t
dir_is_empty(const char *dirn)
dir_is_empty(const char *dirname)
{
DIR *dirp;
struct dirent64 *dp;
if ((dirp = opendir(dirn)) == NULL)
if ((dirp = opendir(dirname)) == NULL)
return (B_TRUE);
while ((dp = readdir64(dirp)) != NULL) {

2
lib/libzfs/libzfs_sendrecv.c
View File

@ -1895,13 +1895,13 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
*/
avl_tree_t *local_avl;
nvlist_t *local_nv, *fs;
char *cp = strchr(zc.zc_value, '@');
/*
* XXX Do this faster by just iterating over snaps in
* this fs. Also if zc_value does not exist, we will
* get a strange "does not exist" error message.
*/
cp = strchr(zc.zc_value, '@');
*cp = '\0';
if (gather_nvlist(hdl, zc.zc_value, NULL, NULL,
&local_nv, &local_avl) == 0) {

27
lib/libzfs/libzfs_util.c
View File

@ -526,19 +526,19 @@ void
zfs_nicenum(uint64_t num, char *buf, size_t buflen)
{
uint64_t n = num;
int i = 0, j;
int index = 0;
char u;
while (n >= 1024) {
n /= 1024;
i++;
index++;
}
u = " KMGTPE"[i];
u = " KMGTPE"[index];
if (i == 0) {
if (index == 0) {
(void) snprintf(buf, buflen, "%llu", (u_longlong_t) n);
} else if ((num & ((1ULL << 10 * i) - 1)) == 0) {
} else if ((num & ((1ULL << 10 * index) - 1)) == 0) {
/*
* If this is an even multiple of the base, always display
* without any decimal precision.
@ -554,9 +554,10 @@ zfs_nicenum(uint64_t num, char *buf, size_t buflen)
* develop some complex heuristics for this, but it's much
* easier just to try each combination in turn.
*/
for (j = 2; j >= 0; j--) {
if (snprintf(buf, buflen, "%.*f%c", j,
(double)num / (1ULL << 10 * i), u) <= 5)
int i;
for (i = 2; i >= 0; i--) {
if (snprintf(buf, buflen, "%.*f%c", i,
(double)num / (1ULL << 10 * index), u) <= 5)
break;
}
}
@ -1384,7 +1385,7 @@ zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type)
{
zprop_list_t *entry;
zprop_list_t **last;
expand_data_t ed;
expand_data_t exp;
if (*plp == NULL) {
/*
@ -1394,11 +1395,11 @@ zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type)
*/
last = plp;
ed.last = last;
ed.hdl = hdl;
ed.type = type;
exp.last = last;
exp.hdl = hdl;
exp.type = type;
if (zprop_iter_common(zprop_expand_list_cb, &ed, B_FALSE,
if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE,
B_FALSE, type) == ZPROP_INVAL)
return (-1);

24
lib/libzpool/kernel.c
View File

@ -322,7 +322,7 @@ vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3)
int fd;
vnode_t *vp;
int old_umask;
char real_path[MAXPATHLEN];
char realpath[MAXPATHLEN];
struct stat64 st;
int err;
@ -346,14 +346,14 @@ vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3)
return (errno);
}
close(fd);
(void) sprintf(real_path, "%s", path);
(void) sprintf(realpath, "%s", path);
dsk = strstr(path, "/dsk/");
if (dsk != NULL)
(void) sprintf(real_path + (dsk - path) + 1, "r%s",
(void) sprintf(realpath + (dsk - path) + 1, "r%s",
dsk + 1);
} else {
(void) sprintf(real_path, "%s", path);
if (!(flags & FCREAT) && stat64(real_path, &st) == -1)
(void) sprintf(realpath, "%s", path);
if (!(flags & FCREAT) && stat64(realpath, &st) == -1)
return (errno);
}
@ -364,7 +364,7 @@ vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3)
* The construct 'flags - FREAD' conveniently maps combinations of
* FREAD and FWRITE to the corresponding O_RDONLY, O_WRONLY, and O_RDWR.
*/
fd = open64(real_path, flags - FREAD, mode);
fd = open64(realpath, flags - FREAD, mode);
if (flags & FCREAT)
(void) umask(old_umask);
@ -394,16 +394,16 @@ int
vn_openat(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2,
int x3, vnode_t *startvp, int fd)
{
char *real_path = umem_alloc(strlen(path) + 2, UMEM_NOFAIL);
char *realpath = umem_alloc(strlen(path) + 2, UMEM_NOFAIL);
int ret;
ASSERT(startvp == rootdir);
(void) sprintf(real_path, "/%s", path);
(void) sprintf(realpath, "/%s", path);
/* fd ignored for now, need if want to simulate nbmand support */
ret = vn_open(real_path, x1, flags, mode, vpp, x2, x3);
ret = vn_open(realpath, x1, flags, mode, vpp, x2, x3);
umem_free(real_path, strlen(path) + 2);
umem_free(realpath, strlen(path) + 2);
return (ret);
}
@ -751,11 +751,11 @@ random_get_pseudo_bytes(uint8_t *ptr, size_t len)
}
int
ddi_strtoul(const char *serial, char **nptr, int base, unsigned long *result)
ddi_strtoul(const char *hw_serial, char **nptr, int base, unsigned long *result)
{
char *end;
*result = strtoul(serial, &end, base);
*result = strtoul(hw_serial, &end, base);
if (*result == 0)
return (errno);
return (0);

12
lib/libzpool/util.c
View File

@ -41,24 +41,24 @@ void
nicenum(uint64_t num, char *buf)
{
uint64_t n = num;
int i = 0;
int index = 0;
char u;
while (n >= 1024) {
n = (n + (1024 / 2)) / 1024; /* Round up or down */
i++;
index++;
}
u = " KMGTPE"[i];
u = " KMGTPE"[index];
if (i == 0) {
if (index == 0) {
(void) sprintf(buf, "%llu", (u_longlong_t)n);
} else if (n < 10 && (num & (num - 1)) != 0) {
(void) sprintf(buf, "%.2f%c",
(double)num / (1ULL << 10 * i), u);
(double)num / (1ULL << 10 * index), u);
} else if (n < 100 && (num & (num - 1)) != 0) {
(void) sprintf(buf, "%.1f%c",
(double)num / (1ULL << 10 * i), u);
(double)num / (1ULL << 10 * index), u);
} else {
(void) sprintf(buf, "%llu%c", (u_longlong_t)n, u);
}

8
module/zcommon/zfs_prop.c
View File

@ -410,15 +410,15 @@ zfs_prop_userquota(const char *name)
* (strings) and internal representation (uint64_t).
*/
int
zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *idx)
zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index)
{
return (zprop_string_to_index(prop, string, idx, ZFS_TYPE_DATASET));
return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET));
}
int
zfs_prop_index_to_string(zfs_prop_t prop, uint64_t idx, const char **string)
zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string)
{
return (zprop_index_to_string(prop, idx, string, ZFS_TYPE_DATASET));
return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET));
}
/*

8
module/zcommon/zpool_prop.c
View File

@ -154,16 +154,16 @@ zpool_prop_default_numeric(zpool_prop_t prop)
int
zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
uint64_t *idx)
uint64_t *index)
{
return (zprop_string_to_index(prop, string, idx, ZFS_TYPE_POOL));
return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
}
int
zpool_prop_index_to_string(zpool_prop_t prop, uint64_t idx,
zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
const char **string)
{
return (zprop_index_to_string(prop, idx, string, ZFS_TYPE_POOL));
return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
}
#ifndef _KERNEL

8
module/zcommon/zprop_common.c
View File

@ -256,7 +256,7 @@ zprop_name_to_prop(const char *propname, zfs_type_t type)
}
int
zprop_string_to_index(int prop, const char *string, uint64_t *idx,
zprop_string_to_index(int prop, const char *string, uint64_t *index,
zfs_type_t type)
{
zprop_desc_t *prop_tbl;
@ -273,7 +273,7 @@ zprop_string_to_index(int prop, const char *string, uint64_t *idx,
for (i = 0; idx_tbl[i].pi_name != NULL; i++) {
if (strcmp(string, idx_tbl[i].pi_name) == 0) {
*idx = idx_tbl[i].pi_value;
*index = idx_tbl[i].pi_value;
return (0);
}
}
@ -282,7 +282,7 @@ zprop_string_to_index(int prop, const char *string, uint64_t *idx,
}
int
zprop_index_to_string(int prop, uint64_t idx, const char **string,
zprop_index_to_string(int prop, uint64_t index, const char **string,
zfs_type_t type)
{
zprop_desc_t *prop_tbl;
@ -298,7 +298,7 @@ zprop_index_to_string(int prop, uint64_t idx, const char **string,
return (-1);
for (i = 0; idx_tbl[i].pi_name != NULL; i++) {
if (idx_tbl[i].pi_value == idx) {
if (idx_tbl[i].pi_value == index) {
*string = idx_tbl[i].pi_name;
return (0);
}

14
module/zfs/dmu.c
View File

@ -184,7 +184,7 @@ dmu_bonus_hold(objset_t *os, uint64_t object, void *tag, dmu_buf_t **dbp)
*/
static int
dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
int rd, void *tag, int *numbufsp, dmu_buf_t ***dbpp, uint32_t flags)
int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp, uint32_t flags)
{
dsl_pool_t *dp = NULL;
dmu_buf_t **dbp;
@ -235,7 +235,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
return (EIO);
}
/* initiate async i/o */
if (rd) {
if (read) {
(void) dbuf_read(db, zio, dbuf_flags);
}
dbp[i] = &db->db;
@ -253,7 +253,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
}
/* wait for other io to complete */
if (rd) {
if (read) {
for (i = 0; i < nblks; i++) {
dmu_buf_impl_t *db = (dmu_buf_impl_t *)dbp[i];
mutex_enter(&db->db_mtx);
@ -277,7 +277,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
static int
dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset,
uint64_t length, int rd, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
uint64_t length, int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
{
dnode_t *dn;
int err;
@ -286,7 +286,7 @@ dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset,
if (err)
return (err);
err = dmu_buf_hold_array_by_dnode(dn, offset, length, rd, tag,
err = dmu_buf_hold_array_by_dnode(dn, offset, length, read, tag,
numbufsp, dbpp, DMU_READ_PREFETCH);
dnode_rele(dn, FTAG);
@ -296,12 +296,12 @@ dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset,
int
dmu_buf_hold_array_by_bonus(dmu_buf_t *db, uint64_t offset,
uint64_t length, int rd, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
uint64_t length, int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
{
dnode_t *dn = ((dmu_buf_impl_t *)db)->db_dnode;
int err;
err = dmu_buf_hold_array_by_dnode(dn, offset, length, rd, tag,
err = dmu_buf_hold_array_by_dnode(dn, offset, length, read, tag,
numbufsp, dbpp, DMU_READ_PREFETCH);
return (err);

6
module/zfs/dmu_objset.c
View File

@ -1180,11 +1180,11 @@ dmu_objset_fsid_guid(objset_t *os)
}
void
dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *st)
dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat)
{
st->dds_type = os->os->os_phys->os_type;
stat->dds_type = os->os->os_phys->os_type;
if (os->os->os_dsl_dataset)
dsl_dataset_fast_stat(os->os->os_dsl_dataset, st);
dsl_dataset_fast_stat(os->os->os_dsl_dataset, stat);
}
void

39
module/zfs/dmu_send.c
View File

@ -901,28 +901,6 @@ restore_free(struct restorearg *ra, objset_t *os,
return (err);
}
/*
* Compute checksum of drr_begin record
*/
static void
dmu_recv_stream_cksum(dmu_recv_cookie_t *drc, struct restorearg *ra)
{
dmu_replay_record_t *drr;
drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP);
drr->drr_type = DRR_BEGIN;
drr->drr_u.drr_begin = *drc->drc_drrb;
if (ra->byteswap) {
fletcher_4_incremental_byteswap(drr,
sizeof (dmu_replay_record_t), &(ra->cksum));
} else {
fletcher_4_incremental_native(drr,
sizeof (dmu_replay_record_t), &(ra->cksum));
}
kmem_free(drr, sizeof (dmu_replay_record_t));
}
/*
* NB: callers *must* call dmu_recv_end() if this succeeds.
*/
@ -937,7 +915,22 @@ dmu_recv_stream(dmu_recv_cookie_t *drc, vnode_t *vp, offset_t *voffp)
if (drc->drc_drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC))
ra.byteswap = TRUE;
dmu_recv_stream_cksum(drc, &ra);
{
/* compute checksum of drr_begin record */
dmu_replay_record_t *drr;
drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP);
drr->drr_type = DRR_BEGIN;
drr->drr_u.drr_begin = *drc->drc_drrb;
if (ra.byteswap) {
fletcher_4_incremental_byteswap(drr,
sizeof (dmu_replay_record_t), &ra.cksum);
} else {
fletcher_4_incremental_native(drr,
sizeof (dmu_replay_record_t), &ra.cksum);
}
kmem_free(drr, sizeof (dmu_replay_record_t));
}
if (ra.byteswap) {
struct drr_begin *drrb = drc->drc_drrb;

4
module/zfs/dmu_zfetch.c
View File

@ -444,7 +444,7 @@ top:
if (zs) {
if (reset) {
zstream_t *rm = zs;
zstream_t *remove = zs;
rc = 0;
mutex_exit(&zs->zst_lock);
@ -456,7 +456,7 @@ top:
*/
for (zs = list_head(&zf->zf_stream); zs;
zs = list_next(&zf->zf_stream, zs)) {
if (zs == rm) {
if (zs == remove) {
dmu_zfetch_stream_remove(zf, zs);
mutex_destroy(&zs->zst_lock);
kmem_free(zs, sizeof (zstream_t));

4
module/zfs/dnode.c
View File

@ -659,10 +659,10 @@ dnode_hold_impl(objset_impl_t *os, uint64_t object, int flag,
}
if ((dn = children_dnodes[idx]) == NULL) {
dnode_phys_t *dnpp = (dnode_phys_t *)db->db.db_data+idx;
dnode_phys_t *dnp = (dnode_phys_t *)db->db.db_data+idx;
dnode_t *winner;
dn = dnode_create(os, dnpp, db, object);
dn = dnode_create(os, dnp, db, object);
winner = atomic_cas_ptr(&children_dnodes[idx], NULL, dn);
if (winner != NULL) {
dnode_destroy(dn);

6
module/zfs/txg.c
View File

@ -154,12 +154,12 @@ txg_thread_exit(tx_state_t *tx, callb_cpr_t *cpr, kthread_t **tpp)
}
static void
txg_thread_wait(tx_state_t *tx, callb_cpr_t *cpr, kcondvar_t *cv, uint64_t wt)
txg_thread_wait(tx_state_t *tx, callb_cpr_t *cpr, kcondvar_t *cv, uint64_t time)
{
CALLB_CPR_SAFE_BEGIN(cpr);
if (wt)
(void) cv_timedwait(cv, &tx->tx_sync_lock, lbolt + wt);
if (time)
(void) cv_timedwait(cv, &tx->tx_sync_lock, lbolt + time);
else
cv_wait(cv, &tx->tx_sync_lock);

28
module/zfs/vdev_raidz.c
View File

@ -1506,7 +1506,7 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
void *orig[VDEV_RAIDZ_MAXPARITY];
int tstore[VDEV_RAIDZ_MAXPARITY + 2];
int *tgts = &tstore[1];
int curr, next, i, c, n;
int current, next, i, c, n;
int code, ret = 0;
ASSERT(total_errors < rm->rm_firstdatacol);
@ -1554,12 +1554,12 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
orig[n - 1] = zio_buf_alloc(rm->rm_col[0].rc_size);
curr = 0;
next = tgts[curr];
current = 0;
next = tgts[current];
while (curr != n) {
tgts[curr] = next;
curr = 0;
while (current != n) {
tgts[current] = next;
current = 0;
/*
* Save off the original data that we're going to
@ -1606,34 +1606,34 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
do {
/*
* Find the next valid column after the curr
* Find the next valid column after the current
* position..
*/
for (next = tgts[curr] + 1;
for (next = tgts[current] + 1;
next < rm->rm_cols &&
rm->rm_col[next].rc_error != 0; next++)
continue;
ASSERT(next <= tgts[curr + 1]);
ASSERT(next <= tgts[current + 1]);
/*
* If that spot is available, we're done here.
*/
if (next != tgts[curr + 1])
if (next != tgts[current + 1])
break;
/*
* Otherwise, find the next valid column after
* the previous position.
*/
for (c = tgts[curr - 1] + 1;
for (c = tgts[current - 1] + 1;
rm->rm_col[c].rc_error != 0; c++)
continue;
tgts[curr] = c;
curr++;
tgts[current] = c;
current++;
} while (curr != n);
} while (current != n);
}
}
n--;