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Illumos 5045 - use atomic_{inc,dec}_* instead of atomic_add_*

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5045 use atomic_{inc,dec}_* instead of atomic_add_*
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Robert Mustacchi <rm@joyent.com>

References:
  https://www.illumos.org/issues/5045
  https://github.com/illumos/illumos-gate/commit/1a5e258

Porting notes:
- All changes to non-ZFS files dropped.
- Changes to zfs_vfsops.c dropped because they were Illumos specific.

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4220
This commit is contained in:
Josef 'Jeff' Sipek
2016-01-13 16:37:41 -08:00
committed by Brian Behlendorf
parent e3e670d006
commit bc89ac8479
7 changed files with 70 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/zio_inject.c
+2 -2
View File
@@ -427,7 +427,7 @@ zio_inject_fault(char *name, int flags, int *id, zinject_record_t *record)
handler->zi_spa = spa;
handler->zi_record = *record;
list_insert_tail(&inject_handlers, handler);
atomic_add_32(&zio_injection_enabled, 1);
atomic_inc_32(&zio_injection_enabled);
rw_exit(&inject_lock);
}
@@ -508,7 +508,7 @@ zio_clear_fault(int id)
spa_inject_delref(handler->zi_spa);
kmem_free(handler, sizeof (inject_handler_t));
atomic_add_32(&zio_injection_enabled, -1);
atomic_dec_32(&zio_injection_enabled);
return (0);
}