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| author | Gabriel <g2p.code@gmail.com> | 2013-05-01 17:12:57 +0200 |
|---|---|---|
| committer | Gabriel <g2p.code@gmail.com> | 2013-05-08 09:40:46 +0200 |
| commit | 19d17f5b918a7ad388c65323688b15bf65b6aa84 (patch) | |
| tree | 1185bc2614f3f2ce4e37e1734ad30e38bcc2fa8c | |
| parent | 9cbe774be28192963f2e02ecf9443d725e854f41 (diff) | |
| download | bcache-tools-19d17f5b918a7ad388c65323688b15bf65b6aa84.tar.gz | |
super-show: show more cache-related information
Only show nbuckets and nr_this_dev on cache devices;
explain nbuckets' relation to device size by printing
both total_sectors (superblock included) and
cache_sectors (superblock excluded).
| -rw-r--r-- | bcache-super-show.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/bcache-super-show.c b/bcache-super-show.c index 7ebb3952..d5cfb4b2 100644 --- a/bcache-super-show.c +++ b/bcache-super-show.c @@ -121,21 +121,22 @@ int main(int argc, char **argv) printf("dev.uuid\t\t%s\n", uuid); printf("dev.sectors_per_block\t%u\n" - "dev.sectors_per_bucket\t%u\n" - "dev.bucket_count\t%ju\n" - "dev.cache_count\t\t%u\n", // expect SB_IS_BDEV(&sb) ? 0 : 1 + "dev.sectors_per_bucket\t%u\n", sb.block_size, - sb.bucket_size, - sb.nbuckets, - sb.nr_this_dev); + sb.bucket_size); if (!SB_IS_BDEV(&sb)) { - printf("dev.cache.first_bucket\t%u\n" - "dev.cache.first_sector\t%u\n" - "dev.cache.discard\t%s\n", - sb.first_bucket, + // total_sectors includes the superblock; + printf("dev.cache.first_sector\t%u\n" + "dev.cache.cache_sectors\t%ju\n" + "dev.cache.total_sectors\t%ju\n" + "dev.cache.discard\t%s\n" + "dev.cache.pos\t\t%u\n", sb.bucket_size * sb.first_bucket, - CACHE_DISCARD(&sb) ? "yes" : "no"); + sb.bucket_size * (sb.nbuckets - sb.first_bucket), + sb.bucket_size * sb.nbuckets, + CACHE_DISCARD(&sb) ? "yes" : "no", + sb.nr_this_dev); } else if (sb.version == BCACHE_SB_VERSION_BDEV) { printf("dev.data.first_sector\t%u\n" "dev.data.writeback\t%s\n", |