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Change KM_PUSHPAGE -> KM_SLEEP

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By marking DMU transaction processing contexts with PF_FSTRANS
we can revert the KM_PUSHPAGE -> KM_SLEEP changes.  This brings
us back in line with upstream.  In some cases this means simply
swapping the flags back.  For others fnvlist_alloc() was replaced
by nvlist_alloc(..., KM_PUSHPAGE) and must be reverted back to
fnvlist_alloc() which assumes KM_SLEEP.

The one place KM_PUSHPAGE is kept is when allocating ARC buffers
which allows us to dip in to reserved memory.  This is again the
same as upstream.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-11-20 19:09:39 -05:00
parent efcd79a883
commit 79c76d5b65
65 changed files with 269 additions and 281 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/vdev_label.c
+8 -8
View File
@@ -216,7 +216,7 @@ vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats,
{
nvlist_t *nv = NULL;
VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
nv = fnvlist_alloc();
fnvlist_add_string(nv, ZPOOL_CONFIG_TYPE, vd->vdev_ops->vdev_op_type);
if (!(flags & (VDEV_CONFIG_SPARE | VDEV_CONFIG_L2CACHE)))
@@ -314,7 +314,7 @@ vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats,
ASSERT(!vd->vdev_ishole);
child = kmem_alloc(vd->vdev_children * sizeof (nvlist_t *),
KM_PUSHPAGE);
KM_SLEEP);
for (c = 0, idx = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
@@ -396,7 +396,7 @@ vdev_top_config_generate(spa_t *spa, nvlist_t *config)
uint64_t *array;
uint_t c, idx;
array = kmem_alloc(rvd->vdev_children * sizeof (uint64_t), KM_PUSHPAGE);
array = kmem_alloc(rvd->vdev_children * sizeof (uint64_t), KM_SLEEP);
for (c = 0, idx = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
@@ -728,7 +728,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
* active hot spare (in which case we want to revert the
* labels).
*/
VERIFY(nvlist_alloc(&label, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_alloc(&label, NV_UNIQUE_NAME, KM_SLEEP) == 0);
VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_VERSION,
spa_version(spa)) == 0);
@@ -741,7 +741,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
/*
* For level 2 ARC devices, add a special label.
*/
VERIFY(nvlist_alloc(&label, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_alloc(&label, NV_UNIQUE_NAME, KM_SLEEP) == 0);
VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_VERSION,
spa_version(spa)) == 0);
@@ -768,7 +768,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
buf = vp->vp_nvlist;
buflen = sizeof (vp->vp_nvlist);
error = nvlist_pack(label, &buf, &buflen, NV_ENCODE_XDR, KM_PUSHPAGE);
error = nvlist_pack(label, &buf, &buflen, NV_ENCODE_XDR, KM_SLEEP);
if (error != 0) {
nvlist_free(label);
zio_buf_free(vp, sizeof (vdev_phys_t));
@@ -1118,7 +1118,7 @@ vdev_label_sync(zio_t *zio, vdev_t *vd, int l, uint64_t txg, int flags)
buf = vp->vp_nvlist;
buflen = sizeof (vp->vp_nvlist);
if (!nvlist_pack(label, &buf, &buflen, NV_ENCODE_XDR, KM_PUSHPAGE)) {
if (!nvlist_pack(label, &buf, &buflen, NV_ENCODE_XDR, KM_SLEEP)) {
for (; l < VDEV_LABELS; l += 2) {
vdev_label_write(zio, vd, l, vp,
offsetof(vdev_label_t, vl_vdev_phys),
@@ -1151,7 +1151,7 @@ vdev_label_sync_list(spa_t *spa, int l, uint64_t txg, int flags)
ASSERT(!vd->vdev_ishole);
good_writes = kmem_zalloc(sizeof (uint64_t), KM_PUSHPAGE);
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,