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src/basic/missing_loop.h: fix missing LOOP_SET_BLOCK_SIZE

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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>
(cherry picked from commit 56ab1c5449)
This commit is contained in:
Raphaël Mélotte 2024-06-14 14:37:29 +02:00 committed by Daan De Meyer
parent 44dc95690c
commit 0730ec4f3e
1 changed files with 4 additions and 0 deletions
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src/basic/missing_loop.h
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@ -29,3 +29,7 @@ assert_cc(LOOP_SET_DIRECT_IO == 0x4C08);
#ifndef LOOP_SET_STATUS_SETTABLE_FLAGS
# define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN)
#endif
#ifndef LOOP_SET_BLOCK_SIZE
# define LOOP_SET_BLOCK_SIZE 0x4C09
#endif