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Illumos 5314 - Remove "dbuf phys" db->db_data pointer aliases in ZFS

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5314 Remove "dbuf phys" db->db_data pointer aliases in ZFS
Author: Justin T. Gibbs <justing@spectralogic.com>
Reviewed by: Andriy Gapon <avg@freebsd.org>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Will Andrews <willa@spectralogic.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/5314
  https://github.com/illumos/illumos-gate/commit/c137962

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Justin T. Gibbs
2015-04-02 02:14:34 +11:00
committed by Brian Behlendorf
parent 945dd93525
commit d683ddbb72
32 changed files with 914 additions and 808 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/dsl_deleg.c
+11 -11
View File
@@ -164,10 +164,10 @@ dsl_deleg_set_sync(void *arg, dmu_tx_t *tx)
VERIFY0(dsl_dir_hold(dp, dda->dda_name, FTAG, &dd, NULL));
zapobj = dd->dd_phys->dd_deleg_zapobj;
zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj;
if (zapobj == 0) {
dmu_buf_will_dirty(dd->dd_dbuf, tx);
zapobj = dd->dd_phys->dd_deleg_zapobj = zap_create(mos,
zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj = zap_create(mos,
DMU_OT_DSL_PERMS, DMU_OT_NONE, 0, tx);
}
@@ -208,7 +208,7 @@ dsl_deleg_unset_sync(void *arg, dmu_tx_t *tx)
uint64_t zapobj;
VERIFY0(dsl_dir_hold(dp, dda->dda_name, FTAG, &dd, NULL));
zapobj = dd->dd_phys->dd_deleg_zapobj;
zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj;
if (zapobj == 0) {
dsl_dir_rele(dd, FTAG);
return;
@@ -337,14 +337,14 @@ dsl_deleg_get(const char *ddname, nvlist_t **nvp)
nvlist_t *sp_nvp;
uint64_t n;
if (dd->dd_phys->dd_deleg_zapobj == 0 ||
zap_count(mos, dd->dd_phys->dd_deleg_zapobj, &n) != 0 ||
n == 0)
if (dsl_dir_phys(dd)->dd_deleg_zapobj == 0 ||
zap_count(mos,
dsl_dir_phys(dd)->dd_deleg_zapobj, &n) != 0 || n == 0)
continue;
sp_nvp = fnvlist_alloc();
for (zap_cursor_init(basezc, mos,
dd->dd_phys->dd_deleg_zapobj);
dsl_dir_phys(dd)->dd_deleg_zapobj);
zap_cursor_retrieve(basezc, baseza) == 0;
zap_cursor_advance(basezc)) {
nvlist_t *perms_nvp;
@@ -603,7 +603,7 @@ dsl_deleg_access_impl(dsl_dataset_t *ds, const char *perm, cred_t *cr)
if (!zoned)
break;
}
zapobj = dd->dd_phys->dd_deleg_zapobj;
zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj;
if (zapobj == 0)
continue;
@@ -682,7 +682,7 @@ copy_create_perms(dsl_dir_t *dd, uint64_t pzapobj,
{
objset_t *mos = dd->dd_pool->dp_meta_objset;
uint64_t jumpobj, pjumpobj;
uint64_t zapobj = dd->dd_phys->dd_deleg_zapobj;
uint64_t zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj;
zap_cursor_t zc;
zap_attribute_t za;
char whokey[ZFS_MAX_DELEG_NAME];
@@ -695,7 +695,7 @@ copy_create_perms(dsl_dir_t *dd, uint64_t pzapobj,
if (zapobj == 0) {
dmu_buf_will_dirty(dd->dd_dbuf, tx);
zapobj = dd->dd_phys->dd_deleg_zapobj = zap_create(mos,
zapobj = dsl_dir_phys(dd)->dd_deleg_zapobj = zap_create(mos,
DMU_OT_DSL_PERMS, DMU_OT_NONE, 0, tx);
}
@@ -733,7 +733,7 @@ dsl_deleg_set_create_perms(dsl_dir_t *sdd, dmu_tx_t *tx, cred_t *cr)
return;
for (dd = sdd->dd_parent; dd != NULL; dd = dd->dd_parent) {
uint64_t pzapobj = dd->dd_phys->dd_deleg_zapobj;
uint64_t pzapobj = dsl_dir_phys(dd)->dd_deleg_zapobj;
if (pzapobj == 0)
continue;