dm table: clean dm_get_device and move exports
There is no need for __table_get_device to be factored out.
Also move the exports to the end of their respective functions.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 8dc6755..d58b200 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -157,6 +157,7 @@
return addr;
}
+EXPORT_SYMBOL(dm_vcalloc);
/*
* highs, and targets are managed as dynamic arrays during a
@@ -277,6 +278,7 @@
{
atomic_inc(&t->holders);
}
+EXPORT_SYMBOL(dm_table_get);
void dm_table_put(struct dm_table *t)
{
@@ -286,6 +288,7 @@
smp_mb__before_atomic_dec();
atomic_dec(&t->holders);
}
+EXPORT_SYMBOL(dm_table_put);
/*
* Checks to see if we need to extend highs or targets.
@@ -451,13 +454,14 @@
* Add a device to the list, or just increment the usage count if
* it's already present.
*/
-static int __table_get_device(struct dm_table *t, struct dm_target *ti,
- const char *path, fmode_t mode, struct dm_dev **result)
+int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
+ struct dm_dev **result)
{
int r;
dev_t uninitialized_var(dev);
struct dm_dev_internal *dd;
unsigned int major, minor;
+ struct dm_table *t = ti->table;
BUG_ON(!t);
@@ -505,6 +509,7 @@
*result = &dd->dm_dev;
return 0;
}
+EXPORT_SYMBOL(dm_get_device);
int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
sector_t start, sector_t len, void *data)
@@ -543,15 +548,8 @@
}
EXPORT_SYMBOL_GPL(dm_set_device_limits);
-int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
- struct dm_dev **result)
-{
- return __table_get_device(ti->table, ti, path, mode, result);
-}
-
-
/*
- * Decrement a devices use count and remove it if necessary.
+ * Decrement a device's use count and remove it if necessary.
*/
void dm_put_device(struct dm_target *ti, struct dm_dev *d)
{
@@ -564,6 +562,7 @@
kfree(dd);
}
}
+EXPORT_SYMBOL(dm_put_device);
/*
* Checks to see if the target joins onto the end of the table.
@@ -1074,11 +1073,13 @@
t->event_fn(t->event_context);
mutex_unlock(&_event_lock);
}
+EXPORT_SYMBOL(dm_table_event);
sector_t dm_table_get_size(struct dm_table *t)
{
return t->num_targets ? (t->highs[t->num_targets - 1] + 1) : 0;
}
+EXPORT_SYMBOL(dm_table_get_size);
struct dm_target *dm_table_get_target(struct dm_table *t, unsigned int index)
{
@@ -1234,6 +1235,7 @@
{
return t->mode;
}
+EXPORT_SYMBOL(dm_table_get_mode);
static void suspend_targets(struct dm_table *t, unsigned postsuspend)
{
@@ -1342,6 +1344,7 @@
{
return t->md;
}
+EXPORT_SYMBOL(dm_table_get_md);
static int device_discard_capable(struct dm_target *ti, struct dm_dev *dev,
sector_t start, sector_t len, void *data)
@@ -1379,13 +1382,3 @@
return 0;
}
-
-EXPORT_SYMBOL(dm_vcalloc);
-EXPORT_SYMBOL(dm_get_device);
-EXPORT_SYMBOL(dm_put_device);
-EXPORT_SYMBOL(dm_table_event);
-EXPORT_SYMBOL(dm_table_get_size);
-EXPORT_SYMBOL(dm_table_get_mode);
-EXPORT_SYMBOL(dm_table_get_md);
-EXPORT_SYMBOL(dm_table_put);
-EXPORT_SYMBOL(dm_table_get);