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Allow c99 code to compile 

Add the appropriate compiler flags to accept c99 code.  This will help to
minimize differences with upstream, and aid porting changes.  One change was
necessary in zvol.c because the DEFINE_IDA() macro does not work with the new
compiler flags.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Chunwei Chen <david.chen@osnexus.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #5756
This commit is contained in:
Matthew Ahrens 2017-02-08 09:27:48 -08:00 committed by Brian Behlendorf
parent 23d70cdef1
commit 4a5d7f8267
4 changed files with 6 additions and 3 deletions
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1
config/Rules.am
View File

@ -5,6 +5,7 @@ AM_CFLAGS = ${DEBUG_CFLAGS} -Wall -Wstrict-prototypes
AM_CFLAGS += ${NO_UNUSED_BUT_SET_VARIABLE}
AM_CFLAGS += ${NO_BOOL_COMPARE}
AM_CFLAGS += -fno-strict-aliasing
AM_CFLAGS += -std=gnu99
AM_CPPFLAGS = -D_GNU_SOURCE -D__EXTENSIONS__ -D_REENTRANT
AM_CPPFLAGS += -D_POSIX_PTHREAD_SEMANTICS -D_FILE_OFFSET_BITS=64
AM_CPPFLAGS += -D_LARGEFILE64_SOURCE -DHAVE_LARGE_STACKS=1

1
config/kernel.m4
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@ -123,6 +123,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other
dnl # compiler options are added by the kernel build system.
KERNELCPPFLAGS="$KERNELCPPFLAGS -std=gnu99"
KERNELCPPFLAGS="$KERNELCPPFLAGS -Wno-declaration-after-statement"
KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE"
KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_BOOL_COMPARE"

3
module/zfs/dsl_dataset.c
View File

@ -2956,7 +2956,6 @@ void
dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
dsl_dataset_t *origin_head, dmu_tx_t *tx)
{
spa_feature_t f;
dsl_pool_t *dp = dmu_tx_pool(tx);
int64_t unused_refres_delta;
blkptr_t tmp;
@ -2974,7 +2973,7 @@ dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
/*
* Swap per-dataset feature flags.
*/
for (f = 0; f < SPA_FEATURES; f++) {
for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
boolean_t clone_inuse;
boolean_t origin_head_inuse;

4
module/zfs/zvol.c
View File

@ -65,7 +65,8 @@ static list_t zvol_state_list;
#define ZVOL_HT_SIZE 1024
static struct hlist_head *zvol_htable;
#define ZVOL_HT_HEAD(hash) (&zvol_htable[(hash) & (ZVOL_HT_SIZE-1)])
static DEFINE_IDA(zvol_ida);
static struct ida zvol_ida;
/*
* The in-core state of each volume.
@ -2161,6 +2162,7 @@ zvol_init(void)
list_create(&zvol_state_list, sizeof (zvol_state_t),
offsetof(zvol_state_t, zv_next));
mutex_init(&zvol_state_lock, NULL, MUTEX_DEFAULT, NULL);
ida_init(&zvol_ida);
zvol_htable = kmem_alloc(ZVOL_HT_SIZE * sizeof (struct hlist_head),
KM_SLEEP);