FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/sys/zfs_sysfs.h

     /*
      * CDDL HEADER START
      *
      * The contents of this file are subject to the terms of the
      * Common Development and Distribution License (the "License").
      * You may not use this file except in compliance with the License.
      *
      * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      * or https://opensource.org/licenses/CDDL-1.0.
     * See the License for the specific language governing permissions
     * and limitations under the License.
     *
     * When distributing Covered Code, include this CDDL HEADER in each
     * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     * If applicable, add the following below this CDDL HEADER, with the
     * fields enclosed by brackets "[]" replaced with your own identifying
     * information: Portions Copyright [yyyy] [name of copyright owner]
     *
     * CDDL HEADER END
     */
    /*
     * Copyright (c) 2018 by Delphix. All rights reserved.
     */
    
    #ifndef _SYS_ZFS_SYSFS_H
    #define _SYS_ZFS_SYSFS_H extern __attribute__((visibility("default")))
    
    struct zfs_mod_supported_features;
    struct zfs_mod_supported_features *zfs_mod_list_supported(const char *scope);
    void zfs_mod_list_supported_free(struct zfs_mod_supported_features *);
    
    #ifdef _KERNEL
    
    void zfs_sysfs_init(void);
    void zfs_sysfs_fini(void);
    
    #else
    
    #define zfs_sysfs_init()
    #define zfs_sysfs_fini()
    
    _SYS_ZFS_SYSFS_H boolean_t zfs_mod_supported(const char *, const char *,
        const struct zfs_mod_supported_features *);
    #endif
    
    #define ZFS_SYSFS_POOL_PROPERTIES       "properties.pool"
    #define ZFS_SYSFS_VDEV_PROPERTIES       "properties.vdev"
    #define ZFS_SYSFS_DATASET_PROPERTIES    "properties.dataset"
    #define ZFS_SYSFS_KERNEL_FEATURES       "features.kernel"
    #define ZFS_SYSFS_POOL_FEATURES         "features.pool"
    
    #define ZFS_SYSFS_DIR                   "/sys/module/zfs"
    /* Alternate location when ZFS is built as part of the kernel (rare) */
    #define ZFS_SYSFS_ALT_DIR               "/sys/fs/zfs"
    
    #endif  /* _SYS_ZFS_SYSFS_H */

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