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blockdev: New drive_get_by_index()

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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2011-01-28 11:21:44 +01:00 committed by Kevin Wolf
parent 505a7fb1b1
commit f1bd51ac2b
2 changed files with 8 additions and 0 deletions
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7
blockdev.c
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@ -136,6 +136,13 @@ DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
return NULL; return NULL;
} }
DriveInfo *drive_get_by_index(BlockInterfaceType type, int index)
{
return drive_get(type,
drive_index_to_bus_id(type, index),
drive_index_to_unit_id(type, index));
}
int drive_get_max_bus(BlockInterfaceType type) int drive_get_max_bus(BlockInterfaceType type)
{ {
int max_bus; int max_bus;

1
blockdev.h
View File

@ -39,6 +39,7 @@ struct DriveInfo {
}; };
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
DriveInfo *drive_get_by_index(BlockInterfaceType type, int index);
int drive_get_max_bus(BlockInterfaceType type); int drive_get_max_bus(BlockInterfaceType type);
DriveInfo *drive_get_next(BlockInterfaceType type); DriveInfo *drive_get_next(BlockInterfaceType type);
void drive_uninit(DriveInfo *dinfo); void drive_uninit(DriveInfo *dinfo);