bcachefs: create internal disk_groups sysfs file

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We have bch2_sb_disk_groups_to_text() to dump disk group labels, but
no good information on device group membership at runtime. Add
bch2_disk_groups_to_text() and an associated 'disk_groups' sysfs
file to print group and device relationships.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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Brian Foster 2023-05-30 14:41:50 -04:00 • committed by Kent Overstreet

parent 28551613b7

commit fec4fc82b5

3 changed files with 42 additions and 0 deletions

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34

fs/bcachefs/disk_groups.c

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2

fs/bcachefs/disk_groups.h

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6

fs/bcachefs/sysfs.c

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