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libblock: Add RTEMS_BLKIO_PURGEDEV

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This commit is contained in:
Sebastian Huber
2012-05-11 13:04:26 +02:00
parent 3d0c96c7f3
commit 84ab4fce24
2 changed files with 10 additions and 0 deletions
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6
cpukit/libblock/include/rtems/blkdev.h
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@@ -162,6 +162,7 @@ typedef struct rtems_blkdev_request {
#define RTEMS_BLKIO_DELETED _IO('B', 7) #define RTEMS_BLKIO_DELETED _IO('B', 7)
#define RTEMS_BLKIO_CAPABILITIES _IO('B', 8) #define RTEMS_BLKIO_CAPABILITIES _IO('B', 8)
#define RTEMS_BLKIO_GETDISKDEV _IOR('B', 9, rtems_disk_device *) #define RTEMS_BLKIO_GETDISKDEV _IOR('B', 9, rtems_disk_device *)
#define RTEMS_BLKIO_PURGEDEV _IO('B', 10)
/** @} */ /** @} */
@@ -204,6 +205,11 @@ static inline int rtems_disk_fd_sync(int fd)
return ioctl(fd, RTEMS_BLKIO_SYNCDEV); return ioctl(fd, RTEMS_BLKIO_SYNCDEV);
} }
static inline int rtems_disk_fd_purge(int fd)
{
return ioctl(fd, RTEMS_BLKIO_PURGEDEV);
}
/** /**
* Only consecutive multi-sector buffer requests are supported. * Only consecutive multi-sector buffer requests are supported.
* *

4
cpukit/libblock/src/blkdev-ioctl.c
View File

@@ -60,6 +60,10 @@ rtems_blkdev_ioctl(rtems_disk_device *dd, uint32_t req, void *argp)
*(rtems_disk_device **) argp = dd; *(rtems_disk_device **) argp = dd;
break; break;
case RTEMS_BLKIO_PURGEDEV:
rtems_bdbuf_purge_dev(dd);
break;
default: default:
errno = EINVAL; errno = EINVAL;
rc = -1; rc = -1;