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| author | Brian Foster <bfoster@redhat.com> | 2023-05-30 14:41:50 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:10:03 -0400 |
| commit | fec4fc82b531beb2cc67b734140ffe776af33f7c (patch) | |
| tree | 69eb17cf9b842e4ae2071a30a9ccc8c1d9afb7b9 /fs/bcachefs/sysfs.c | |
| parent | 28551613b725c28552210121499f4e2f6c6a9054 (diff) | |
| download | linux-fec4fc82b531beb2cc67b734140ffe776af33f7c.tar.gz linux-fec4fc82b531beb2cc67b734140ffe776af33f7c.tar.bz2 linux-fec4fc82b531beb2cc67b734140ffe776af33f7c.zip | |
bcachefs: create internal disk_groups sysfs file
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>
Diffstat (limited to 'fs/bcachefs/sysfs.c')
| -rw-r--r-- | fs/bcachefs/sysfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c index b2274cb35172..77f92d537af6 100644 --- a/fs/bcachefs/sysfs.c +++ b/fs/bcachefs/sysfs.c @@ -223,6 +223,7 @@ static void bch2_write_refs_to_text(struct printbuf *out, struct bch_fs *c) #endif read_attribute(internal_uuid); +read_attribute(disk_groups); read_attribute(has_data); read_attribute(alloc_debug); @@ -471,6 +472,9 @@ SHOW(bch2_fs) if (attr == &sysfs_nocow_lock_table) bch2_nocow_locks_to_text(out, &c->nocow_locks); + if (attr == &sysfs_disk_groups) + bch2_disk_groups_to_text(out, c); + return 0; } @@ -681,6 +685,8 @@ struct attribute *bch2_fs_internal_files[] = { &sysfs_moving_ctxts, &sysfs_internal_uuid, + + &sysfs_disk_groups, NULL }; |