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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/sa.c
+3 -4
View File
@@ -1363,7 +1363,7 @@ sa_handle_destroy(sa_handle_t *hdl)
{
mutex_enter(&hdl->sa_lock);
(void) dmu_buf_update_user((dmu_buf_t *)hdl->sa_bonus, hdl,
NULL, NULL, NULL);
NULL, NULL);
if (hdl->sa_bonus_tab) {
sa_idx_tab_rele(hdl->sa_os, hdl->sa_bonus_tab);
@@ -1410,8 +1410,7 @@ sa_handle_get_from_db(objset_t *os, dmu_buf_t *db, void *userp,
error = sa_build_index(handle, SA_BONUS);
newhandle = (hdl_type == SA_HDL_SHARED) ?
dmu_buf_set_user_ie(db, handle,
NULL, sa_evict) : NULL;
dmu_buf_set_user_ie(db, handle, sa_evict) : NULL;
if (newhandle != NULL) {
kmem_cache_free(sa_cache, handle);
@@ -1951,7 +1950,7 @@ void
sa_update_user(sa_handle_t *newhdl, sa_handle_t *oldhdl)
{
(void) dmu_buf_update_user((dmu_buf_t *)newhdl->sa_bonus,
oldhdl, newhdl, NULL, sa_evict);
oldhdl, newhdl, sa_evict);
oldhdl->sa_bonus = NULL;
}