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Diffstat (limited to 'sys')
-rw-r--r--sys/fs/devfs.c12
-rw-r--r--sys/include/sys/device.h4
2 files changed, 14 insertions, 2 deletions
diff --git a/sys/fs/devfs.c b/sys/fs/devfs.c
index e320973..81c2a43 100644
--- a/sys/fs/devfs.c
+++ b/sys/fs/devfs.c
@@ -55,6 +55,14 @@ cdevsw_read(void *devsw, dev_t dev, struct sio_txn *sio)
return cdevsw->read(dev, sio, 0);
}
+static inline int
+bdevsw_read(void *devsw, dev_t dev, struct sio_txn *sio)
+{
+ struct bdevsw *bdevsw = devsw;
+
+ return bdevsw->read(dev, sio, 0);
+}
+
/*
* Get a devfs node by name.
*
@@ -134,8 +142,8 @@ devfs_read(struct vnode *vp, struct sio_txn *sio)
if (!dnp->is_block)
return cdevsw_read(devsw, dnp->dev, sio);
- /* TODO: Block devices */
- return -EIO;
+ /* Block device */
+ return bdevsw_read(devsw, dnp->dev, sio);
}
static int
diff --git a/sys/include/sys/device.h b/sys/include/sys/device.h
index 3ba7141..edf83ae 100644
--- a/sys/include/sys/device.h
+++ b/sys/include/sys/device.h
@@ -44,6 +44,10 @@ struct cdevsw {
int(*read)(dev_t dev, struct sio_txn *sio, int flags);
};
+struct bdevsw {
+ int(*read)(dev_t dev, struct sio_txn *sio, int flags);
+};
+
void *dev_get(devmajor_t major, dev_t dev);
dev_t dev_alloc(devmajor_t major);