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dm snapshot: style cleanups 

Coding style cleanups.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
This commit is contained in:
Jonathan Brassow 2011-08-02 12:32:03 +01:00 committed by Alasdair G Kergon
parent aa3f0794d2
commit a2d2b0345a
2 changed files with 8 additions and 10 deletions
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4
drivers/md/dm-snap-persistent.c
View File

@ -567,7 +567,7 @@ static int persistent_read_metadata(struct dm_exception_store *store,
ps->exceptions_per_area = (ps->store->chunk_size << SECTOR_SHIFT) /
sizeof(struct disk_exception);
ps->callbacks = dm_vcalloc(ps->exceptions_per_area,
sizeof(*ps->callbacks));
sizeof(*ps->callbacks));
if (!ps->callbacks)
return -ENOMEM;
@ -674,7 +674,7 @@ static void persistent_commit_exception(struct dm_exception_store *store,
* If we completely filled the current area, then wipe the next one.
*/
if ((ps->current_committed == ps->exceptions_per_area) &&
zero_disk_area(ps, ps->current_area + 1))
zero_disk_area(ps, ps->current_area + 1))
ps->valid = 0;
/*

14
drivers/md/dm-snap.c
View File

@ -1045,8 +1045,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
s = kmalloc(sizeof(*s), GFP_KERNEL);
if (!s) {
ti->error = "Cannot allocate snapshot context private "
"structure";
ti->error = "Cannot allocate private snapshot structure";
r = -ENOMEM;
goto bad;
}
@ -1405,7 +1404,7 @@ static void pending_complete(struct dm_snap_pending_exception *pe, int success)
*/
dm_insert_exception(&s->complete, e);
out:
out:
dm_remove_exception(&pe->e);
snapshot_bios = bio_list_get(&pe->snapshot_bios);
origin_bios = bio_list_get(&pe->origin_bios);
@ -1470,8 +1469,7 @@ static void start_copy(struct dm_snap_pending_exception *pe)
dest.count = src.count;
/* Hand over to kcopyd */
dm_kcopyd_copy(s->kcopyd_client,
&src, 1, &dest, 0, copy_callback, pe);
dm_kcopyd_copy(s->kcopyd_client, &src, 1, &dest, 0, copy_callback, pe);
}
static struct dm_snap_pending_exception *
@ -1618,9 +1616,9 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio,
map_context->ptr = track_chunk(s, chunk);
}
out_unlock:
out_unlock:
up_write(&s->lock);
out:
out:
return r;
}
@ -1964,7 +1962,7 @@ static int __origin_write(struct list_head *snapshots, sector_t sector,
pe_to_start_now = pe;
}
next_snapshot:
next_snapshot:
up_write(&snap->lock);
if (pe_to_start_now) {