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Diffstat (limited to 'module/zfs/vdev_label.c')
-rw-r--r--module/zfs/vdev_label.c41
1 files changed, 24 insertions, 17 deletions
diff --git a/module/zfs/vdev_label.c b/module/zfs/vdev_label.c
index c08ed8ba0..528710eaf 100644
--- a/module/zfs/vdev_label.c
+++ b/module/zfs/vdev_label.c
@@ -437,6 +437,7 @@ vdev_label_read_config(vdev_t *vd)
zio_t *zio;
int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL |
ZIO_FLAG_SPECULATIVE;
+ int l;
ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
@@ -446,7 +447,7 @@ vdev_label_read_config(vdev_t *vd)
vp = zio_buf_alloc(sizeof (vdev_phys_t));
retry:
- for (int l = 0; l < VDEV_LABELS; l++) {
+ for (l = 0; l < VDEV_LABELS; l++) {
zio = zio_root(spa, NULL, NULL, flags);
@@ -611,10 +612,12 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
int error;
uint64_t spare_guid, l2cache_guid;
int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL;
+ int c, l;
+ vdev_t *pvd;
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL);
- for (int c = 0; c < vd->vdev_children; c++)
+ for (c = 0; c < vd->vdev_children; c++)
if ((error = vdev_label_init(vd->vdev_child[c],
crtxg, reason)) != 0)
return (error);
@@ -650,7 +653,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
vd->vdev_guid += guid_delta;
- for (vdev_t *pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
+ for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
pvd->vdev_guid_sum += guid_delta;
/*
@@ -670,7 +673,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
vd->vdev_guid += guid_delta;
- for (vdev_t *pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
+ for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
pvd->vdev_guid_sum += guid_delta;
/*
@@ -770,7 +773,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
retry:
zio = zio_root(spa, NULL, NULL, flags);
- for (int l = 0; l < VDEV_LABELS; l++) {
+ for (l = 0; l < VDEV_LABELS; l++) {
vdev_label_write(zio, vd, l, vp,
offsetof(vdev_label_t, vl_vdev_phys),
@@ -881,6 +884,7 @@ vdev_uberblock_load(zio_t *zio, vdev_t *vd, uberblock_t *ubbest)
vdev_t *rvd = spa->spa_root_vdev;
int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL |
ZIO_FLAG_SPECULATIVE | ZIO_FLAG_TRYHARD;
+ int c, l, n;
if (vd == rvd) {
ASSERT(zio == NULL);
@@ -891,12 +895,12 @@ vdev_uberblock_load(zio_t *zio, vdev_t *vd, uberblock_t *ubbest)
ASSERT(zio != NULL);
- for (int c = 0; c < vd->vdev_children; c++)
+ for (c = 0; c < vd->vdev_children; c++)
vdev_uberblock_load(zio, vd->vdev_child[c], ubbest);
if (vd->vdev_ops->vdev_op_leaf && vdev_readable(vd)) {
- for (int l = 0; l < VDEV_LABELS; l++) {
- for (int n = 0; n < VDEV_UBERBLOCK_COUNT(vd); n++) {
+ for (l = 0; l < VDEV_LABELS; l++) {
+ for (n = 0; n < VDEV_UBERBLOCK_COUNT(vd); n++) {
vdev_label_read(zio, vd, l,
zio_buf_alloc(VDEV_UBERBLOCK_SIZE(vd)),
VDEV_UBERBLOCK_OFFSET(vd, n),
@@ -932,9 +936,9 @@ static void
vdev_uberblock_sync(zio_t *zio, uberblock_t *ub, vdev_t *vd, int flags)
{
uberblock_t *ubbuf;
- int n;
+ int c, l, n;
- for (int c = 0; c < vd->vdev_children; c++)
+ for (c = 0; c < vd->vdev_children; c++)
vdev_uberblock_sync(zio, ub, vd->vdev_child[c], flags);
if (!vd->vdev_ops->vdev_op_leaf)
@@ -949,7 +953,7 @@ vdev_uberblock_sync(zio_t *zio, uberblock_t *ub, vdev_t *vd, int flags)
bzero(ubbuf, VDEV_UBERBLOCK_SIZE(vd));
*ubbuf = *ub;
- for (int l = 0; l < VDEV_LABELS; l++)
+ for (l = 0; l < VDEV_LABELS; l++)
vdev_label_write(zio, vd, l, ubbuf,
VDEV_UBERBLOCK_OFFSET(vd, n), VDEV_UBERBLOCK_SIZE(vd),
vdev_uberblock_sync_done, zio->io_private,
@@ -964,10 +968,11 @@ vdev_uberblock_sync_list(vdev_t **svd, int svdcount, uberblock_t *ub, int flags)
spa_t *spa = svd[0]->vdev_spa;
zio_t *zio;
uint64_t good_writes = 0;
+ int v;
zio = zio_root(spa, NULL, &good_writes, flags);
- for (int v = 0; v < svdcount; v++)
+ for (v = 0; v < svdcount; v++)
vdev_uberblock_sync(zio, ub, svd[v], flags);
(void) zio_wait(zio);
@@ -979,7 +984,7 @@ vdev_uberblock_sync_list(vdev_t **svd, int svdcount, uberblock_t *ub, int flags)
*/
zio = zio_root(spa, NULL, NULL, flags);
- for (int v = 0; v < svdcount; v++)
+ for (v = 0; v < svdcount; v++)
zio_flush(zio, svd[v]);
(void) zio_wait(zio);
@@ -1032,8 +1037,9 @@ vdev_label_sync(zio_t *zio, vdev_t *vd, int l, uint64_t txg, int flags)
vdev_phys_t *vp;
char *buf;
size_t buflen;
+ int c;
- for (int c = 0; c < vd->vdev_children; c++)
+ for (c = 0; c < vd->vdev_children; c++)
vdev_label_sync(zio, vd->vdev_child[c], l, txg, flags);
if (!vd->vdev_ops->vdev_op_leaf)
@@ -1081,12 +1087,13 @@ vdev_label_sync_list(spa_t *spa, int l, uint64_t txg, int flags)
zio = zio_root(spa, NULL, NULL, flags);
for (vd = list_head(dl); vd != NULL; vd = list_next(dl, vd)) {
- uint64_t *good_writes = kmem_zalloc(sizeof (uint64_t),
- KM_SLEEP);
+ uint64_t *good_writes;
+ zio_t *vio;
ASSERT(!vd->vdev_ishole);
- zio_t *vio = zio_null(zio, spa, NULL,
+ good_writes = kmem_zalloc(sizeof (uint64_t), KM_SLEEP);
+ vio = zio_null(zio, spa, NULL,
(vd->vdev_islog || vd->vdev_aux != NULL) ?
vdev_label_sync_ignore_done : vdev_label_sync_top_done,
good_writes, flags);