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blockdev: New drive_get_by_blockdev() 

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2010-06-24 17:25:32 +02:00 committed by Kevin Wolf
parent 15c7733bb2
commit e4700e595e
2 changed files with 13 additions and 0 deletions
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12
blockdev.c
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@ -78,6 +78,18 @@ int drive_get_max_bus(BlockInterfaceType type)
return max_bus; return max_bus;
} }
DriveInfo *drive_get_by_blockdev(BlockDriverState *bs)
{
DriveInfo *dinfo;
QTAILQ_FOREACH(dinfo, &drives, next) {
if (dinfo->bdrv == bs) {
return dinfo;
}
}
return NULL;
}
static void bdrv_format_print(void *opaque, const char *name) static void bdrv_format_print(void *opaque, const char *name)
{ {
fprintf(stderr, " %s", name); fprintf(stderr, " %s", name);

1
blockdev.h
View File

@ -40,6 +40,7 @@ extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
extern DriveInfo *drive_get_by_id(const char *id); extern DriveInfo *drive_get_by_id(const char *id);
extern int drive_get_max_bus(BlockInterfaceType type); extern int drive_get_max_bus(BlockInterfaceType type);
extern void drive_uninit(DriveInfo *dinfo); extern void drive_uninit(DriveInfo *dinfo);
extern DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);
extern QemuOpts *drive_add(const char *file, const char *fmt, ...); extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,