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author | Coly Li <colyli@suse.de> | 2021-01-01 14:38:27 +0800 |
---|---|---|
committer | Coly Li <colyli@suse.de> | 2021-01-02 00:21:22 +0800 |
commit | 40cf747541aea3905c328ff351e88cc6ad9a66bf (patch) | |
tree | 01b2254dcea64414fbf528ac16d65a25d7926845 | |
parent | c0b421f3b5e4479a6f8f25b7cddf53cd240a0a7e (diff) | |
download | bcache-tools-40cf747541aea3905c328ff351e88cc6ad9a66bf.tar.gz |
bcache-tools: display obsoleted bucket size configuration
Although BCH_FEATURE_INCOMPAT_LARGE_BUCKET is obsoleted and we don't
support it anymore, we still need to display the obsoleted bucket
size combines by,
bucket_size + (obso_bucket_size_hi << 16)
for the legancy consistency purpose.
This patch checks bch_has_feature_obso_large_bucket() in to_cache_sb(),
if it is true, still try to combine and display the bucket size from
obso_bucket_size_hi.
Signed-off-by: Coly Li <colyli@suse.de>
-rw-r--r-- | lib.c | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -783,9 +783,13 @@ struct cache_sb *to_cache_sb(struct cache_sb *sb, sb->feature_ro_compat = le64_to_cpu(sb_disk->feature_ro_compat); } - if (sb->version >= BCACHE_SB_VERSION_CDEV_WITH_FEATURES && - bch_has_feature_large_bucket(sb)) - sb->bucket_size = 1 << le16_to_cpu(sb_disk->bucket_size); + if (sb->version >= BCACHE_SB_VERSION_CDEV_WITH_FEATURES) { + if (bch_has_feature_large_bucket(sb)) + sb->bucket_size = 1 << le16_to_cpu(sb_disk->bucket_size); + else if (bch_has_feature_obso_large_bucket(sb)) + sb->bucket_size += + le16_to_cpu(sb_disk->obso_bucket_size_hi) << 16; + } return sb; } |