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6283f55ea1
One of the neat tricks an autoconf style project is capable of is allow configurion/building in a directory other than the source directory. The major advantage to this is that you can build the project various different ways while making changes in a single source tree. For example, this project is designed to work on various different Linux distributions each of which work slightly differently. This means that changes need to verified on each of those supported distributions perferably before the change is committed to the public git repo. Using nfs and custom build directories makes this much easier. I now have a single source tree in nfs mounted on several different systems each running a supported distribution. When I make a change to the source base I suspect may break things I can concurrently build from the same source on all the systems each in their own subdirectory. wget -c http://github.com/downloads/behlendorf/zfs/zfs-x.y.z.tar.gz tar -xzf zfs-x.y.z.tar.gz cd zfs-x-y-z ------------------------- run concurrently ---------------------- <ubuntu system> <fedora system> <debian system> <rhel6 system> mkdir ubuntu mkdir fedora mkdir debian mkdir rhel6 cd ubuntu cd fedora cd debian cd rhel6 ../configure ../configure ../configure ../configure make make make make make check make check make check make check This change also moves many of the include headers from individual incude/sys directories under the modules directory in to a single top level include directory. This has the advantage of making the build rules cleaner and logically it makes a bit more sense.
171 lines
5.1 KiB
C
171 lines
5.1 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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#ifndef _SYS_SA_H
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#define _SYS_SA_H
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#include <sys/dmu.h>
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/*
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* Currently available byteswap functions.
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* If it all possible new attributes should used
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* one of the already defined byteswap functions.
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* If a new byteswap function is added then the
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* ZPL/Pool version will need to be bumped.
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*/
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typedef enum sa_bswap_type {
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SA_UINT64_ARRAY,
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SA_UINT32_ARRAY,
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SA_UINT16_ARRAY,
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SA_UINT8_ARRAY,
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SA_ACL,
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} sa_bswap_type_t;
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typedef uint16_t sa_attr_type_t;
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/*
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* Attribute to register support for.
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*/
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typedef struct sa_attr_reg {
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char *sa_name; /* attribute name */
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uint16_t sa_length;
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sa_bswap_type_t sa_byteswap; /* bswap functon enum */
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sa_attr_type_t sa_attr; /* filled in during registration */
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} sa_attr_reg_t;
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typedef void (sa_data_locator_t)(void **, uint32_t *, uint32_t,
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boolean_t, void *userptr);
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/*
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* array of attributes to store.
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*
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* This array should be treated as opaque/private data.
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* The SA_BULK_ADD_ATTR() macro should be used for manipulating
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* the array.
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*
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* When sa_replace_all_by_template() is used the attributes
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* will be stored in the order defined in the array, except that
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* the attributes may be split between the bonus and the spill buffer
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*
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*/
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typedef struct sa_bulk_attr {
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void *sa_data;
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sa_data_locator_t *sa_data_func;
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uint16_t sa_length;
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sa_attr_type_t sa_attr;
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/* the following are private to the sa framework */
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void *sa_addr;
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uint16_t sa_buftype;
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uint16_t sa_size;
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} sa_bulk_attr_t;
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/*
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* special macro for adding entries for bulk attr support
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* bulk - sa_bulk_attr_t
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* count - integer that will be incremented during each add
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* attr - attribute to manipulate
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* func - function for accessing data.
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* data - pointer to data.
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* len - length of data
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*/
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#define SA_ADD_BULK_ATTR(b, idx, attr, func, data, len) \
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{ \
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b[idx].sa_attr = attr;\
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b[idx].sa_data_func = func; \
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b[idx].sa_data = data; \
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b[idx++].sa_length = len; \
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}
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typedef struct sa_os sa_os_t;
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typedef enum sa_handle_type {
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SA_HDL_SHARED,
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SA_HDL_PRIVATE
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} sa_handle_type_t;
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struct sa_handle;
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typedef void *sa_lookup_tab_t;
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typedef struct sa_handle sa_handle_t;
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typedef void (sa_update_cb_t)(sa_handle_t *, dmu_tx_t *tx);
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int sa_handle_get(objset_t *, uint64_t, void *userp,
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sa_handle_type_t, sa_handle_t **);
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int sa_handle_get_from_db(objset_t *, dmu_buf_t *, void *userp,
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sa_handle_type_t, sa_handle_t **);
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void sa_handle_destroy(sa_handle_t *);
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int sa_buf_hold(objset_t *, uint64_t, void *, dmu_buf_t **);
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void sa_buf_rele(dmu_buf_t *, void *);
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int sa_lookup(sa_handle_t *, sa_attr_type_t, void *buf, uint32_t buflen);
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int sa_update(sa_handle_t *, sa_attr_type_t, void *buf,
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uint32_t buflen, dmu_tx_t *);
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int sa_remove(sa_handle_t *, sa_attr_type_t, dmu_tx_t *);
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int sa_bulk_lookup(sa_handle_t *, sa_bulk_attr_t *, int count);
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int sa_bulk_lookup_locked(sa_handle_t *, sa_bulk_attr_t *, int count);
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int sa_bulk_update(sa_handle_t *, sa_bulk_attr_t *, int count, dmu_tx_t *);
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int sa_size(sa_handle_t *, sa_attr_type_t, int *);
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int sa_update_from_cb(sa_handle_t *, sa_attr_type_t,
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uint32_t buflen, sa_data_locator_t *, void *userdata, dmu_tx_t *);
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void sa_object_info(sa_handle_t *, dmu_object_info_t *);
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void sa_object_size(sa_handle_t *, uint32_t *, u_longlong_t *);
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void sa_update_user(sa_handle_t *, sa_handle_t *);
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void *sa_get_userdata(sa_handle_t *);
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void sa_set_userp(sa_handle_t *, void *);
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dmu_buf_t *sa_get_db(sa_handle_t *);
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uint64_t sa_handle_object(sa_handle_t *);
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boolean_t sa_attr_would_spill(sa_handle_t *, sa_attr_type_t, int size);
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void sa_register_update_callback(objset_t *, sa_update_cb_t *);
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int sa_setup(objset_t *, uint64_t, sa_attr_reg_t *, int, sa_attr_type_t **);
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void sa_tear_down(objset_t *);
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int sa_replace_all_by_template(sa_handle_t *, sa_bulk_attr_t *,
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int, dmu_tx_t *);
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int sa_replace_all_by_template_locked(sa_handle_t *, sa_bulk_attr_t *,
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int, dmu_tx_t *);
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boolean_t sa_enabled(objset_t *);
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void sa_cache_init(void);
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void sa_cache_fini(void);
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int sa_set_sa_object(objset_t *, uint64_t);
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int sa_hdrsize(void *);
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void sa_handle_lock(sa_handle_t *);
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void sa_handle_unlock(sa_handle_t *);
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#ifdef _KERNEL
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int sa_lookup_uio(sa_handle_t *, sa_attr_type_t, uio_t *);
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_SA_H */
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