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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/zio.c
+2 -2
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@@ -2550,7 +2550,7 @@ zio_write_gang_member_ready(zio_t *zio)
dva_t *cdva = zio->io_bp->blk_dva;
dva_t *pdva = pio->io_bp->blk_dva;
uint64_t asize;
ASSERTV(zio_t *gio = zio->io_gang_leader);
zio_t *gio __maybe_unused = zio->io_gang_leader;
if (BP_IS_HOLE(zio->io_bp))
return;
@@ -4184,7 +4184,7 @@ zio_ready(zio_t *zio)
static void
zio_dva_throttle_done(zio_t *zio)
{
ASSERTV(zio_t *lio = zio->io_logical);
zio_t *lio __maybe_unused = zio->io_logical;
zio_t *pio = zio_unique_parent(zio);
vdev_t *vd = zio->io_vd;
int flags = METASLAB_ASYNC_ALLOC;