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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/metaslab.c
+2 -2
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@@ -3354,7 +3354,7 @@ metaslab_passivate_allocator(metaslab_group_t *mg, metaslab_t *msp,
static void
metaslab_passivate(metaslab_t *msp, uint64_t weight)
{
ASSERTV(uint64_t size = weight & ~METASLAB_WEIGHT_TYPE);
uint64_t size __maybe_unused = weight & ~METASLAB_WEIGHT_TYPE;
/*
* If size < SPA_MINBLOCKSIZE, then we will not allocate from
@@ -5959,7 +5959,7 @@ static void
metaslab_check_free_impl(vdev_t *vd, uint64_t offset, uint64_t size)
{
metaslab_t *msp;
ASSERTV(spa_t *spa = vd->vdev_spa);
spa_t *spa __maybe_unused = vd->vdev_spa;
if ((zfs_flags & ZFS_DEBUG_ZIO_FREE) == 0)
return;