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| author | Mike Snitzer <snitzer@redhat.com> | 2009-12-11 00:52:11 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-12-11 00:52:11 +0100 |
| commit | 985903bb3a6d98623360ab6c855417f638840029 (patch) | |
| tree | 64e7582e0b7827aa318c4fe1c497ebc541d9ce8b /drivers/md/dm-snap-transient.c | |
| parent | dm snapshot: rename exception functions (diff) | |
| download | linux-985903bb3a6d98623360ab6c855417f638840029.tar.xz linux-985903bb3a6d98623360ab6c855417f638840029.zip | |
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-transient.c')
| -rw-r--r-- | drivers/md/dm-snap-transient.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/md/dm-snap-transient.c b/drivers/md/dm-snap-transient.c index 267801b34ff6..245a50c7337e 100644 --- a/drivers/md/dm-snap-transient.c +++ b/drivers/md/dm-snap-transient.c @@ -59,11 +59,14 @@ static void transient_commit_exception(struct dm_exception_store *store, callback(callback_context, 1); } -static void transient_fraction_full(struct dm_exception_store *store, - sector_t *numerator, sector_t *denominator) +static void transient_usage(struct dm_exception_store *store, + sector_t *total_sectors, + sector_t *sectors_allocated, + sector_t *metadata_sectors) { - *numerator = ((struct transient_c *) store->context)->next_free; - *denominator = get_dev_size(store->cow->bdev); + *sectors_allocated = ((struct transient_c *) store->context)->next_free; + *total_sectors = get_dev_size(store->cow->bdev); + *metadata_sectors = 0; } static int transient_ctr(struct dm_exception_store *store, @@ -106,7 +109,7 @@ static struct dm_exception_store_type _transient_type = { .read_metadata = transient_read_metadata, .prepare_exception = transient_prepare_exception, .commit_exception = transient_commit_exception, - .fraction_full = transient_fraction_full, + .usage = transient_usage, .status = transient_status, }; @@ -118,7 +121,7 @@ static struct dm_exception_store_type _transient_compat_type = { .read_metadata = transient_read_metadata, .prepare_exception = transient_prepare_exception, .commit_exception = transient_commit_exception, - .fraction_full = transient_fraction_full, + .usage = transient_usage, .status = transient_status, }; |