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Add zfs_file_* interface, remove vnodes

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Provide a common zfs_file_* interface which can be implemented on all 
platforms to perform normal file access from either the kernel module
or the libzpool library.

This allows all non-portable vnode_t usage in the common code to be 
replaced by the new portable zfs_file_t.  The associated vnode and
kobj compatibility functions, types, and macros have been removed
from the SPL.  Moving forward, vnodes should only be used in platform
specific code when provided by the native operating system.

Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9556
This commit is contained in:
Matthew Macy
2019-11-21 09:32:57 -08:00
committed by Brian Behlendorf
parent 67a6c3bc9f
commit da92d5cbb3
53 changed files with 1169 additions and 1554 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmd/raidz_test/raidz_test.c
+1 -1
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@@ -757,7 +757,7 @@ main(int argc, char **argv)
process_options(argc, argv);
kernel_init(FREAD);
kernel_init(SPA_MODE_READ);
/* setup random data because rand() is not reentrant */
rand_data = (int *)umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
cmd/zdb/zdb.c
+1 -1
View File
@@ -6781,7 +6781,7 @@ main(int argc, char **argv)
*/
spa_load_verify_dryrun = B_TRUE;
kernel_init(FREAD);
kernel_init(SPA_MODE_READ);
if (dump_all)
verbose = MAX(verbose, 1);
cmd/zhack/zhack.c
+2 -1
View File
@@ -126,7 +126,8 @@ zhack_import(char *target, boolean_t readonly)
nvlist_t *props;
int error;
kernel_init(readonly ? FREAD : (FREAD | FWRITE));
kernel_init(readonly ? SPA_MODE_READ :
(SPA_MODE_READ | SPA_MODE_WRITE));
dmu_objset_register_type(DMU_OST_ZFS, space_delta_cb);
cmd/ztest/ztest.c
+7 -7
View File
@@ -5826,8 +5826,8 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
(long long)vd0->vdev_id, (int)maxfaults);
if (vf != NULL && ztest_random(3) == 0) {
(void) close(vf->vf_vnode->v_fd);
vf->vf_vnode->v_fd = -1;
(void) close(vf->vf_file->f_fd);
vf->vf_file->f_fd = -1;
} else if (ztest_random(2) == 0) {
vd0->vdev_cant_read = B_TRUE;
} else {
@@ -6933,7 +6933,7 @@ ztest_run(ztest_shared_t *zs)
/*
* Open our pool.
*/
kernel_init(FREAD | FWRITE);
kernel_init(SPA_MODE_READ | SPA_MODE_WRITE);
VERIFY0(spa_open(ztest_opts.zo_pool, &spa, FTAG));
metaslab_preload_limit = ztest_random(20) + 1;
ztest_spa = spa;
@@ -7122,7 +7122,7 @@ ztest_freeze(void)
if (ztest_opts.zo_verbose >= 3)
(void) printf("testing spa_freeze()...\n");
kernel_init(FREAD | FWRITE);
kernel_init(SPA_MODE_READ | SPA_MODE_WRITE);
VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG));
VERIFY3U(0, ==, ztest_dataset_open(0));
ztest_spa = spa;
@@ -7189,7 +7189,7 @@ ztest_freeze(void)
/*
* Open and close the pool and dataset to induce log replay.
*/
kernel_init(FREAD | FWRITE);
kernel_init(SPA_MODE_READ | SPA_MODE_WRITE);
VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG));
ASSERT(spa_freeze_txg(spa) == UINT64_MAX);
VERIFY3U(0, ==, ztest_dataset_open(0));
@@ -7262,7 +7262,7 @@ ztest_import(ztest_shared_t *zs)
mutex_init(&ztest_checkpoint_lock, NULL, MUTEX_DEFAULT, NULL);
VERIFY0(pthread_rwlock_init(&ztest_name_lock, NULL));
kernel_init(FREAD | FWRITE);
kernel_init(SPA_MODE_READ | SPA_MODE_WRITE);
searchdirs[0] = ztest_opts.zo_dir;
args.paths = nsearch;
@@ -7308,7 +7308,7 @@ ztest_init(ztest_shared_t *zs)
mutex_init(&ztest_checkpoint_lock, NULL, MUTEX_DEFAULT, NULL);
VERIFY0(pthread_rwlock_init(&ztest_name_lock, NULL));
kernel_init(FREAD | FWRITE);
kernel_init(SPA_MODE_READ | SPA_MODE_WRITE);
/*
* Create the storage pool.