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abd_os: break out platform-specific header parts
Removing the platform #ifdefs from shared headers in favour of per-platform headers. Makes abd_t much leaner, among other things. Sponsored-by: Klara, Inc. Sponsored-by: Wasabi Technology, Inc. Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <rob.norris@klarasystems.com> Closes openzfs#16253
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Original file line number | Diff line number | Diff line change |
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/* | ||
* 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) 2014 by Chunwei Chen. All rights reserved. | ||
* Copyright (c) 2016, 2019 by Delphix. All rights reserved. | ||
* Copyright (c) 2023, 2024, Klara Inc. | ||
*/ | ||
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#ifndef _ABD_IMPL_OS_H | ||
#define _ABD_IMPL_OS_H | ||
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#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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#define abd_enter_critical(flags) critical_enter() | ||
#define abd_exit_critical(flags) critical_exit() | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* _ABD_IMPL_OS_H */ |
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Original file line number | Diff line number | Diff line change |
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/* | ||
* 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) 2014 by Chunwei Chen. All rights reserved. | ||
* Copyright (c) 2016, 2019 by Delphix. All rights reserved. | ||
*/ | ||
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#ifndef _ABD_OS_H | ||
#define _ABD_OS_H | ||
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#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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struct abd_scatter { | ||
uint_t abd_offset; | ||
void *abd_chunks[1]; /* actually variable-length */ | ||
}; | ||
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struct abd_linear { | ||
void *abd_buf; | ||
}; | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* _ABD_H */ |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,41 @@ | ||
/* | ||
* 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) 2014 by Chunwei Chen. All rights reserved. | ||
* Copyright (c) 2016, 2019 by Delphix. All rights reserved. | ||
* Copyright (c) 2023, 2024, Klara Inc. | ||
*/ | ||
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#ifndef _ABD_IMPL_OS_H | ||
#define _ABD_IMPL_OS_H | ||
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#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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#define abd_enter_critical(flags) local_irq_save(flags) | ||
#define abd_exit_critical(flags) local_irq_restore(flags) | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* _ABD_IMPL_OS_H */ |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,62 @@ | ||
/* | ||
* 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) 2014 by Chunwei Chen. All rights reserved. | ||
* Copyright (c) 2016, 2019 by Delphix. All rights reserved. | ||
*/ | ||
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#ifndef _ABD_OS_H | ||
#define _ABD_OS_H | ||
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#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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struct abd_scatter { | ||
uint_t abd_offset; | ||
uint_t abd_nents; | ||
struct scatterlist *abd_sgl; | ||
}; | ||
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struct abd_linear { | ||
void *abd_buf; | ||
struct scatterlist *abd_sgl; /* for LINEAR_PAGE */ | ||
}; | ||
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typedef struct abd abd_t; | ||
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typedef int abd_iter_page_func_t(struct page *, size_t, size_t, void *); | ||
int abd_iterate_page_func(abd_t *, size_t, size_t, abd_iter_page_func_t *, | ||
void *); | ||
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/* | ||
* Linux ABD bio functions | ||
* Note: these are only needed to support vdev_classic. See comment in | ||
* vdev_disk.c. | ||
*/ | ||
unsigned int abd_bio_map_off(struct bio *, abd_t *, unsigned int, size_t); | ||
unsigned long abd_nr_pages_off(abd_t *, unsigned int, size_t); | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* _ABD_H */ |
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Original file line number | Diff line number | Diff line change |
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libzpooldir = $(includedir)/libzpool | ||
libzpool_HEADERS = \ | ||
%D%/sys/abd_os.h \ | ||
%D%/sys/abd_impl_os.h |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,41 @@ | ||
/* | ||
* 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) 2014 by Chunwei Chen. All rights reserved. | ||
* Copyright (c) 2016, 2019 by Delphix. All rights reserved. | ||
* Copyright (c) 2023, 2024, Klara Inc. | ||
*/ | ||
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#ifndef _ABD_IMPL_OS_H | ||
#define _ABD_IMPL_OS_H | ||
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#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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#define abd_enter_critical(flags) ((void)0) | ||
#define abd_exit_critical(flags) ((void)0) | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* _ABD_IMPL_OS_H */ |
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