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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/dsl_dataset.c
+4 -4
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@@ -365,7 +365,7 @@ dsl_dataset_hold_obj(dsl_pool_t *dp, uint64_t dsobj, void *tag,
if (ds == NULL) {
dsl_dataset_t *winner = NULL;
ds = kmem_zalloc(sizeof (dsl_dataset_t), KM_PUSHPAGE);
ds = kmem_zalloc(sizeof (dsl_dataset_t), KM_SLEEP);
ds->ds_dbuf = dbuf;
ds->ds_object = dsobj;
ds->ds_phys = dbuf->db_data;
@@ -1772,9 +1772,9 @@ dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx)
}
/* must not have any bookmarks after the most recent snapshot */
VERIFY0(nvlist_alloc(&proprequest, NV_UNIQUE_NAME, KM_PUSHPAGE));
proprequest = fnvlist_alloc();
fnvlist_add_boolean(proprequest, zfs_prop_to_name(ZFS_PROP_CREATETXG));
VERIFY0(nvlist_alloc(&bookmarks, NV_UNIQUE_NAME, KM_PUSHPAGE));
bookmarks = fnvlist_alloc();
error = dsl_get_bookmarks_impl(ds, proprequest, bookmarks);
fnvlist_free(proprequest);
if (error != 0)
@@ -2262,7 +2262,7 @@ snaplist_make(dsl_pool_t *dp,
if (first_obj == 0)
first_obj = ds->ds_dir->dd_phys->dd_origin_obj;
snap = kmem_alloc(sizeof (*snap), KM_PUSHPAGE);
snap = kmem_alloc(sizeof (*snap), KM_SLEEP);
snap->ds = ds;
list_insert_tail(l, snap);
obj = ds->ds_phys->ds_prev_snap_obj;