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8f72d16609
mkfs: Take two block devices as arguments. Write everything to metadata dev, and the superblock to the data dev. UUIDs match. Differentiate by checking a bit in a new "flags" field in the superblock. Refactor device_size() a little. Convert spaces to tabs. Move code to pretty-print sizes to dev.c so we can use it in error messages there, as well as in mkfs.c. print: Include flags in output. Add -D and -M options for setting max dev sizes Allow sizes to be specified using units like "K", "G" etc. Note: -D option replaces -S option, and uses above units rather than the number of 4k data blocks. Update man pages for cmdline changes. Signed-off-by: Andy Grover <agrover@versity.com>
17 lines
414 B
C
17 lines
414 B
C
#ifndef _DEV_H_
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#define _DEV_H_
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#define BASE_SIZE_FMT "%.2f %s"
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#define BASE_SIZE_ARGS(sz) size_flt(sz, 1), size_str(sz, 1)
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#define SIZE_FMT "%llu (%.2f %s)"
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#define SIZE_ARGS(nr, sz) (nr), size_flt(nr, sz), size_str(nr, sz)
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int device_size(char *path, int fd,
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u64 min_size, u64 max_size,
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char *use_type, u64 *size_ret);
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float size_flt(u64 nr, unsigned size);
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char *size_str(u64 nr, unsigned size);
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#endif
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