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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/zap_micro.c
+4 -4
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@@ -172,7 +172,7 @@ zap_name_free(zap_name_t *zn)
zap_name_t *
zap_name_alloc(zap_t *zap, const char *key, matchtype_t mt)
{
zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_PUSHPAGE);
zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_SLEEP);
zn->zn_zap = zap;
zn->zn_key_intlen = sizeof (*key);
@@ -202,7 +202,7 @@ zap_name_alloc(zap_t *zap, const char *key, matchtype_t mt)
zap_name_t *
zap_name_alloc_uint64(zap_t *zap, const uint64_t *key, int numints)
{
zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_PUSHPAGE);
zap_name_t *zn = kmem_alloc(sizeof (zap_name_t), KM_SLEEP);
ASSERT(zap->zap_normflags == 0);
zn->zn_zap = zap;
@@ -271,7 +271,7 @@ mze_insert(zap_t *zap, int chunkid, uint64_t hash)
ASSERT(zap->zap_ismicro);
ASSERT(RW_WRITE_HELD(&zap->zap_rwlock));
mze = kmem_alloc(sizeof (mzap_ent_t), KM_PUSHPAGE);
mze = kmem_alloc(sizeof (mzap_ent_t), KM_SLEEP);
mze->mze_chunkid = chunkid;
mze->mze_hash = hash;
mze->mze_cd = MZE_PHYS(zap, mze)->mze_cd;
@@ -365,7 +365,7 @@ mzap_open(objset_t *os, uint64_t obj, dmu_buf_t *db)
ASSERT3U(MZAP_ENT_LEN, ==, sizeof (mzap_ent_phys_t));
zap = kmem_zalloc(sizeof (zap_t), KM_PUSHPAGE);
zap = kmem_zalloc(sizeof (zap_t), KM_SLEEP);
rw_init(&zap->zap_rwlock, NULL, RW_DEFAULT, NULL);
rw_enter(&zap->zap_rwlock, RW_WRITER);
zap->zap_objset = os;