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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
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module/zfs/dmu_objset.c
+3 -3
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@@ -279,7 +279,7 @@ dmu_objset_open_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp,
ASSERT(ds == NULL || MUTEX_HELD(&ds->ds_opening_lock));
os = kmem_zalloc(sizeof (objset_t), KM_PUSHPAGE);
os = kmem_zalloc(sizeof (objset_t), KM_SLEEP);
os->os_dsl_dataset = ds;
os->os_spa = spa;
os->os_rootbp = bp;
@@ -1573,7 +1573,7 @@ dmu_objset_find_dp(dsl_pool_t *dp, uint64_t ddobj,
}
thisobj = dd->dd_phys->dd_head_dataset_obj;
attr = kmem_alloc(sizeof (zap_attribute_t), KM_PUSHPAGE);
attr = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP);
/*
* Iterate over all children.
@@ -1685,7 +1685,7 @@ dmu_objset_find_impl(spa_t *spa, const char *name,
}
thisobj = dd->dd_phys->dd_head_dataset_obj;
attr = kmem_alloc(sizeof (zap_attribute_t), KM_PUSHPAGE);
attr = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP);
/*
* Iterate over all children.