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Add linux kernel module support

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Setup linux kernel module support, this includes:
- zfs context for kernel/user
- kernel module build system integration
- kernel module macros
- kernel module symbol export
- kernel module options

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2010-08-26 11:49:16 -07:00
parent 00b46022c6
commit c28b227942
40 changed files with 820 additions and 10 deletions
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module/zfs/dsl_dataset.c
+52 -1
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@@ -2364,13 +2364,16 @@ dsl_snapshot_rename_one(const char *name, void *arg)
* For recursive snapshot renames the parent won't be changing
* so we just pass name for both the to/from argument.
*/
#ifdef HAVE_ZPL
err = zfs_secpolicy_rename_perms(snapname, snapname, CRED());
if (err != 0) {
strfree(snapname);
return (err == ENOENT ? 0 : err);
}
#endif
#ifdef _KERNEL
/* XXX: Ignore for SPL version until mounting the FS is supported */
#if defined(_KERNEL) && !defined(HAVE_SPL)
/*
* For all filesystems undergoing rename, we'll need to unmount it.
*/
@@ -4036,3 +4039,51 @@ dsl_destroy_inconsistent(const char *dsname, void *arg)
}
return (0);
}
#if defined(_KERNEL) && defined(HAVE_SPL)
EXPORT_SYMBOL(dsl_dataset_hold);
EXPORT_SYMBOL(dsl_dataset_hold_obj);
EXPORT_SYMBOL(dsl_dataset_own);
EXPORT_SYMBOL(dsl_dataset_own_obj);
EXPORT_SYMBOL(dsl_dataset_name);
EXPORT_SYMBOL(dsl_dataset_rele);
EXPORT_SYMBOL(dsl_dataset_disown);
EXPORT_SYMBOL(dsl_dataset_drop_ref);
EXPORT_SYMBOL(dsl_dataset_tryown);
EXPORT_SYMBOL(dsl_dataset_make_exclusive);
EXPORT_SYMBOL(dsl_dataset_create_sync);
EXPORT_SYMBOL(dsl_dataset_create_sync_dd);
EXPORT_SYMBOL(dsl_dataset_destroy);
EXPORT_SYMBOL(dsl_snapshots_destroy);
EXPORT_SYMBOL(dsl_dataset_destroy_check);
EXPORT_SYMBOL(dsl_dataset_destroy_sync);
EXPORT_SYMBOL(dsl_dataset_snapshot_check);
EXPORT_SYMBOL(dsl_dataset_snapshot_sync);
EXPORT_SYMBOL(dsl_dataset_rename);
EXPORT_SYMBOL(dsl_dataset_promote);
EXPORT_SYMBOL(dsl_dataset_clone_swap);
EXPORT_SYMBOL(dsl_dataset_user_hold);
EXPORT_SYMBOL(dsl_dataset_user_release);
EXPORT_SYMBOL(dsl_dataset_user_release_tmp);
EXPORT_SYMBOL(dsl_dataset_get_holds);
EXPORT_SYMBOL(dsl_dataset_get_blkptr);
EXPORT_SYMBOL(dsl_dataset_set_blkptr);
EXPORT_SYMBOL(dsl_dataset_get_spa);
EXPORT_SYMBOL(dsl_dataset_modified_since_lastsnap);
EXPORT_SYMBOL(dsl_dataset_sync);
EXPORT_SYMBOL(dsl_dataset_block_born);
EXPORT_SYMBOL(dsl_dataset_block_kill);
EXPORT_SYMBOL(dsl_dataset_block_freeable);
EXPORT_SYMBOL(dsl_dataset_prev_snap_txg);
EXPORT_SYMBOL(dsl_dataset_dirty);
EXPORT_SYMBOL(dsl_dataset_stats);
EXPORT_SYMBOL(dsl_dataset_fast_stat);
EXPORT_SYMBOL(dsl_dataset_space);
EXPORT_SYMBOL(dsl_dataset_fsid_guid);
EXPORT_SYMBOL(dsl_dsobj_to_dsname);
EXPORT_SYMBOL(dsl_dataset_check_quota);
EXPORT_SYMBOL(dsl_dataset_set_quota);
EXPORT_SYMBOL(dsl_dataset_set_quota_sync);
EXPORT_SYMBOL(dsl_dataset_set_reservation);
EXPORT_SYMBOL(dsl_destroy_inconsistent);
#endif