mirror of
https://github.com/morgan9e/systemd
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56ab1c5449
Builds with kernels headers < 4.14 fail with:
../src/shared/loop-util.c: In function ‘loop_configure_fallback’:
../src/shared/loop-util.c:237:31: error: ‘LOOP_SET_BLOCK_SIZE’ undeclared (first use in this function); did you mean ‘LOOP_SET_DIRECT_IO’?
if (ioctl(fd, LOOP_SET_BLOCK_SIZE, (unsigned long) c->block_size) < 0)
^~~~~~~~~~~~~~~~~~~
LOOP_SET_DIRECT_IO
Fixes: https://github.com/systemd/systemd/issues/33341
Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
36 lines
733 B
C
36 lines
733 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <linux/loop.h>
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#include "macro.h"
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#ifndef LOOP_CONFIGURE
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struct loop_config {
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__u32 fd;
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__u32 block_size;
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struct loop_info64 info;
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__u64 __reserved[8];
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};
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# define LOOP_CONFIGURE 0x4C0A
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#else
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assert_cc(LOOP_CONFIGURE == 0x4C0A);
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#endif
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#ifndef LO_FLAGS_DIRECT_IO
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# define LO_FLAGS_DIRECT_IO 16
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# define LOOP_SET_DIRECT_IO 0x4C08
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#else
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assert_cc(LO_FLAGS_DIRECT_IO == 16);
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assert_cc(LOOP_SET_DIRECT_IO == 0x4C08);
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#endif
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#ifndef LOOP_SET_STATUS_SETTABLE_FLAGS
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# define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN)
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#endif
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#ifndef LOOP_SET_BLOCK_SIZE
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# define LOOP_SET_BLOCK_SIZE 0x4C09
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#endif
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