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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/spa_misc.c
+7 -7
View File
@@ -501,7 +501,7 @@ spa_deadman(void *arg)
vdev_deadman(spa->spa_root_vdev);
spa->spa_deadman_tqid = taskq_dispatch_delay(system_taskq,
spa_deadman, spa, TQ_PUSHPAGE, ddi_get_lbolt() +
spa_deadman, spa, KM_SLEEP, ddi_get_lbolt() +
NSEC_TO_TICK(spa->spa_deadman_synctime));
}
@@ -520,7 +520,7 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
ASSERT(MUTEX_HELD(&spa_namespace_lock));
spa = kmem_zalloc(sizeof (spa_t), KM_PUSHPAGE);
spa = kmem_zalloc(sizeof (spa_t), KM_SLEEP);
mutex_init(&spa->spa_async_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&spa->spa_errlist_lock, NULL, MUTEX_DEFAULT, NULL);
@@ -570,12 +570,12 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
list_create(&spa->spa_config_list, sizeof (spa_config_dirent_t),
offsetof(spa_config_dirent_t, scd_link));
dp = kmem_zalloc(sizeof (spa_config_dirent_t), KM_PUSHPAGE);
dp = kmem_zalloc(sizeof (spa_config_dirent_t), KM_SLEEP);
dp->scd_path = altroot ? NULL : spa_strdup(spa_config_path);
list_insert_head(&spa->spa_config_list, dp);
VERIFY(nvlist_alloc(&spa->spa_load_info, NV_UNIQUE_NAME,
KM_PUSHPAGE) == 0);
KM_SLEEP) == 0);
if (config != NULL) {
nvlist_t *features;
@@ -591,7 +591,7 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
if (spa->spa_label_features == NULL) {
VERIFY(nvlist_alloc(&spa->spa_label_features, NV_UNIQUE_NAME,
KM_PUSHPAGE) == 0);
KM_SLEEP) == 0);
}
spa->spa_debug = ((zfs_flags & ZFS_DEBUG_SPA) != 0);
@@ -772,7 +772,7 @@ spa_aux_add(vdev_t *vd, avl_tree_t *avl)
if ((aux = avl_find(avl, &search, &where)) != NULL) {
aux->aux_count++;
} else {
aux = kmem_zalloc(sizeof (spa_aux_t), KM_PUSHPAGE);
aux = kmem_zalloc(sizeof (spa_aux_t), KM_SLEEP);
aux->aux_guid = vd->vdev_guid;
aux->aux_count = 1;
avl_insert(avl, aux, where);
@@ -1280,7 +1280,7 @@ spa_strdup(const char *s)
char *new;
len = strlen(s);
new = kmem_alloc(len + 1, KM_PUSHPAGE);
new = kmem_alloc(len + 1, KM_SLEEP);
bcopy(s, new, len);
new[len] = '\0';