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| author | Mike Snitzer <snitzer@redhat.com> | 2009-12-10 23:52:11 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-12-10 23:52:11 +0000 |
| commit | 985903bb3a6d98623360ab6c855417f638840029 (patch) | |
| tree | 64e7582e0b7827aa318c4fe1c497ebc541d9ce8b /drivers/md/dm-snap.c | |
| parent | 3510cb94ff7b04b016bd22bfee913e2c1c05c066 (diff) | |
| download | linux-985903bb3a6d98623360ab6c855417f638840029.tar.bz2 | |
dm snapshot: add allocated metadata to snapshot status
Add number of sectors used by metadata to the end of the snapshot's status
line.
Renamed dm_exception_store_type's 'fraction_full' to 'usage'. Renamed
arguments to be clearer about what is being returned. Also added
'metadata_sectors'.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index cb4c2c3a43f0..8bd77cbd7e45 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1174,14 +1174,17 @@ static int snapshot_status(struct dm_target *ti, status_type_t type, if (!snap->valid) DMEMIT("Invalid"); else { - if (snap->store->type->fraction_full) { - sector_t numerator, denominator; - snap->store->type->fraction_full(snap->store, - &numerator, - &denominator); - DMEMIT("%llu/%llu", - (unsigned long long)numerator, - (unsigned long long)denominator); + if (snap->store->type->usage) { + sector_t total_sectors, sectors_allocated, + metadata_sectors; + snap->store->type->usage(snap->store, + &total_sectors, + §ors_allocated, + &metadata_sectors); + DMEMIT("%llu/%llu %llu", + (unsigned long long)sectors_allocated, + (unsigned long long)total_sectors, + (unsigned long long)metadata_sectors); } else DMEMIT("Unknown"); @@ -1462,7 +1465,7 @@ static struct target_type origin_target = { static struct target_type snapshot_target = { .name = "snapshot", - .version = {1, 7, 0}, + .version = {1, 8, 0}, .module = THIS_MODULE, .ctr = snapshot_ctr, .dtr = snapshot_dtr, |