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Replace ASSERTV macro with compiler annotation

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Remove the ASSERTV macro and handle suppressing unused 
compiler warnings for variables only in ASSERTs using the 
__attribute__((unused)) compiler annotation.  The annotation
is understood by both gcc and clang.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9671
This commit is contained in:
Matthew Macy
2019-12-05 12:37:00 -08:00
committed by Brian Behlendorf
parent 12395c7b0b
commit 2a8ba608d3
28 changed files with 66 additions and 61 deletions
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module/zfs/sa.c
+2 -2
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@@ -1237,7 +1237,7 @@ sa_byteswap(sa_handle_t *hdl, sa_buf_type_t buftype)
dmu_buf_impl_t *db;
int num_lengths = 1;
int i;
ASSERTV(sa_os_t *sa = hdl->sa_os->os_sa);
sa_os_t *sa __maybe_unused = hdl->sa_os->os_sa;
ASSERT(MUTEX_HELD(&sa->sa_lock));
if (sa_hdr_phys->sa_magic == SA_MAGIC)
@@ -1344,7 +1344,7 @@ sa_idx_tab_rele(objset_t *os, void *arg)
static void
sa_idx_tab_hold(objset_t *os, sa_idx_tab_t *idx_tab)
{
ASSERTV(sa_os_t *sa = os->os_sa);
sa_os_t *sa __maybe_unused = os->os_sa;
ASSERT(MUTEX_HELD(&sa->sa_lock));
(void) zfs_refcount_add(&idx_tab->sa_refcount, NULL);