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implicit conversion from 'boolean_t' to 'ds_hold_flags_t'

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Build error on illumos with gcc 10 did reveal:

In function 'dmu_objset_refresh_ownership':
../../common/fs/zfs/dmu_objset.c:857:25: error: implicit conversion
from 'boolean_t' to 'ds_hold_flags_t' {aka 'enum ds_hold_flags'}
[-Werror=enum-conversion]
      857 |  dsl_dataset_disown(ds, decrypt, tag);
          |                         ^~~~~~~
cc1: all warnings being treated as errors

libzfs_input_check.c: In function 'zfs_ioc_input_tests':
libzfs_input_check.c:754:28: error: implicit conversion from
'enum dmu_objset_type' to 'enum lzc_dataset_type'
[-Werror=enum-conversion]
  754 |  err = lzc_create(dataset, DMU_OST_ZFS, NULL, NULL, 0);
      |                            ^~~~~~~~~~~
cc1: all warnings being treated as errors

The same issue is present in openzfs, and also the same issue about
ds_hold_flags_t, which currently defines exactly one valid value.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Toomas Soome <tsoome@me.com>
Closes #11406
This commit is contained in:
Toomas Soome 2020-12-28 02:31:02 +02:00 committed by GitHub
parent c449d4b06d
commit 40ab927ae8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 29 additions and 18 deletions
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1
include/sys/dsl_dataset.h
View File

@ -316,6 +316,7 @@ typedef struct dsl_dataset_snapshot_arg {
/* flags for holding the dataset */
typedef enum ds_hold_flags {
DS_HOLD_FLAG_NONE = 0 << 0,
DS_HOLD_FLAG_DECRYPT = 1 << 0 /* needs access to encrypted data */
} ds_hold_flags_t;

27
module/zfs/dmu_objset.c
View File

@ -682,8 +682,9 @@ dmu_objset_hold_flags(const char *name, boolean_t decrypt, void *tag,
dsl_pool_t *dp;
dsl_dataset_t *ds;
int err;
ds_hold_flags_t flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : 0;
ds_hold_flags_t flags;
flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : DS_HOLD_FLAG_NONE;
err = dsl_pool_hold(name, tag, &dp);
if (err != 0)
return (err);
@ -755,8 +756,9 @@ dmu_objset_own(const char *name, dmu_objset_type_t type,
dsl_pool_t *dp;
dsl_dataset_t *ds;
int err;
ds_hold_flags_t flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : 0;
ds_hold_flags_t flags;
flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : DS_HOLD_FLAG_NONE;
err = dsl_pool_hold(name, FTAG, &dp);
if (err != 0)
return (err);
@ -798,8 +800,9 @@ dmu_objset_own_obj(dsl_pool_t *dp, uint64_t obj, dmu_objset_type_t type,
{
dsl_dataset_t *ds;
int err;
ds_hold_flags_t flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : 0;
ds_hold_flags_t flags;
flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : DS_HOLD_FLAG_NONE;
err = dsl_dataset_own_obj(dp, obj, flags, tag, &ds);
if (err != 0)
return (err);
@ -816,9 +819,10 @@ dmu_objset_own_obj(dsl_pool_t *dp, uint64_t obj, dmu_objset_type_t type,
void
dmu_objset_rele_flags(objset_t *os, boolean_t decrypt, void *tag)
{
ds_hold_flags_t flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : 0;
ds_hold_flags_t flags;
dsl_pool_t *dp = dmu_objset_pool(os);
flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : DS_HOLD_FLAG_NONE;
dsl_dataset_rele_flags(os->os_dsl_dataset, flags, tag);
dsl_pool_rele(dp, tag);
}
@ -846,7 +850,9 @@ dmu_objset_refresh_ownership(dsl_dataset_t *ds, dsl_dataset_t **newds,
{
dsl_pool_t *dp;
char name[ZFS_MAX_DATASET_NAME_LEN];
ds_hold_flags_t flags;
flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : DS_HOLD_FLAG_NONE;
VERIFY3P(ds, !=, NULL);
VERIFY3P(ds->ds_owner, ==, tag);
VERIFY(dsl_dataset_long_held(ds));
@ -854,21 +860,22 @@ dmu_objset_refresh_ownership(dsl_dataset_t *ds, dsl_dataset_t **newds,
dsl_dataset_name(ds, name);
dp = ds->ds_dir->dd_pool;
dsl_pool_config_enter(dp, FTAG);
dsl_dataset_disown(ds, decrypt, tag);
VERIFY0(dsl_dataset_own(dp, name,
(decrypt) ? DS_HOLD_FLAG_DECRYPT : 0, tag, newds));
dsl_dataset_disown(ds, flags, tag);
VERIFY0(dsl_dataset_own(dp, name, flags, tag, newds));
dsl_pool_config_exit(dp, FTAG);
}
void
dmu_objset_disown(objset_t *os, boolean_t decrypt, void *tag)
{
ds_hold_flags_t flags;
flags = (decrypt) ? DS_HOLD_FLAG_DECRYPT : DS_HOLD_FLAG_NONE;
/*
* Stop upgrading thread
*/
dmu_objset_upgrade_stop(os);
dsl_dataset_disown(os->os_dsl_dataset,
(decrypt) ? DS_HOLD_FLAG_DECRYPT : 0, tag);
dsl_dataset_disown(os->os_dsl_dataset, flags, tag);
}
void

11
module/zfs/dmu_recv.c
View File

@ -560,7 +560,7 @@ dmu_recv_begin_check(void *arg, dmu_tx_t *tx)
struct drr_begin *drrb = drba->drba_cookie->drc_drrb;
uint64_t fromguid = drrb->drr_fromguid;
int flags = drrb->drr_flags;
ds_hold_flags_t dsflags = 0;
ds_hold_flags_t dsflags = DS_HOLD_FLAG_NONE;
int error;
uint64_t featureflags = drba->drba_cookie->drc_featureflags;
dsl_dataset_t *ds;
@ -772,7 +772,7 @@ dmu_recv_begin_sync(void *arg, dmu_tx_t *tx)
dsl_dataset_t *ds, *newds;
objset_t *os;
uint64_t dsobj;
ds_hold_flags_t dsflags = 0;
ds_hold_flags_t dsflags = DS_HOLD_FLAG_NONE;
int error;
uint64_t crflags = 0;
dsl_crypto_params_t dummy_dcp = { 0 };
@ -946,7 +946,7 @@ dmu_recv_resume_begin_check(void *arg, dmu_tx_t *tx)
dsl_pool_t *dp = dmu_tx_pool(tx);
struct drr_begin *drrb = drc->drc_drrb;
int error;
ds_hold_flags_t dsflags = 0;
ds_hold_flags_t dsflags = DS_HOLD_FLAG_NONE;
dsl_dataset_t *ds;
const char *tofs = drc->drc_tofs;
@ -1094,7 +1094,7 @@ dmu_recv_resume_begin_sync(void *arg, dmu_tx_t *tx)
const char *tofs = drba->drba_cookie->drc_tofs;
uint64_t featureflags = drba->drba_cookie->drc_featureflags;
dsl_dataset_t *ds;
ds_hold_flags_t dsflags = 0;
ds_hold_flags_t dsflags = DS_HOLD_FLAG_NONE;
/* 6 extra bytes for /%recv */
char recvname[ZFS_MAX_DATASET_NAME_LEN + 6];
@ -2315,8 +2315,9 @@ static void
dmu_recv_cleanup_ds(dmu_recv_cookie_t *drc)
{
dsl_dataset_t *ds = drc->drc_ds;
ds_hold_flags_t dsflags = (drc->drc_raw) ? 0 : DS_HOLD_FLAG_DECRYPT;
ds_hold_flags_t dsflags;
dsflags = (drc->drc_raw) ? DS_HOLD_FLAG_NONE : DS_HOLD_FLAG_DECRYPT;
/*
* Wait for the txg sync before cleaning up the receive. For
* resumable receives, this ensures that our resume state has

6
module/zfs/dmu_send.c
View File

@ -2626,7 +2626,7 @@ dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
{
int err;
dsl_dataset_t *fromds;
ds_hold_flags_t dsflags = (rawok) ? 0 : DS_HOLD_FLAG_DECRYPT;
ds_hold_flags_t dsflags;
struct dmu_send_params dspp = {0};
dspp.embedok = embedok;
dspp.large_block_ok = large_block_ok;
@ -2638,6 +2638,7 @@ dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
dspp.rawok = rawok;
dspp.savedok = savedok;
dsflags = (rawok) ? DS_HOLD_FLAG_NONE : DS_HOLD_FLAG_DECRYPT;
err = dsl_pool_hold(pool, FTAG, &dspp.dp);
if (err != 0)
return (err);
@ -2711,12 +2712,13 @@ dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
dmu_send_outparams_t *dsop)
{
int err = 0;
ds_hold_flags_t dsflags = (rawok) ? 0 : DS_HOLD_FLAG_DECRYPT;
ds_hold_flags_t dsflags;
boolean_t owned = B_FALSE;
dsl_dataset_t *fromds = NULL;
zfs_bookmark_phys_t book = {0};
struct dmu_send_params dspp = {0};
dsflags = (rawok) ? DS_HOLD_FLAG_NONE : DS_HOLD_FLAG_DECRYPT;
dspp.tosnap = tosnap;
dspp.embedok = embedok;
dspp.large_block_ok = large_block_ok;

2
tests/zfs-tests/cmd/libzfs_input_check/libzfs_input_check.c
View File

@ -796,7 +796,7 @@ zfs_ioc_input_tests(const char *pool)
(void) snprintf(clonesnap, sizeof (clonesnap), "%s@snap", clone);
(void) snprintf(backup, sizeof (backup), "%s/backup", pool);
err = lzc_create(dataset, DMU_OST_ZFS, NULL, NULL, 0);
err = lzc_create(dataset, LZC_DATSET_TYPE_ZFS, NULL, NULL, -1);
if (err) {
(void) fprintf(stderr, "could not create '%s': %s\n",
dataset, strerror(errno));