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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/spa_stats.c
+2 -2
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@@ -203,7 +203,7 @@ spa_read_history_add(spa_t *spa, const zbookmark_phys_t *zb, uint32_t aflags)
if (zfs_read_history_hits == 0 && (aflags & ARC_CACHED))
return;
srh = kmem_zalloc(sizeof (spa_read_history_t), KM_PUSHPAGE);
srh = kmem_zalloc(sizeof (spa_read_history_t), KM_SLEEP);
strlcpy(srh->comm, getcomm(), sizeof (srh->comm));
srh->start = gethrtime();
srh->objset = zb->zb_objset;
@@ -423,7 +423,7 @@ spa_txg_history_add(spa_t *spa, uint64_t txg, hrtime_t birth_time)
if (zfs_txg_history == 0 && ssh->size == 0)
return;
sth = kmem_zalloc(sizeof (spa_txg_history_t), KM_PUSHPAGE);
sth = kmem_zalloc(sizeof (spa_txg_history_t), KM_SLEEP);
sth->txg = txg;
sth->state = TXG_STATE_OPEN;
sth->times[TXG_STATE_BIRTH] = birth_time;