diff options
Diffstat (limited to 'sys/fs/devfs.c')
| -rw-r--r-- | sys/fs/devfs.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/sys/fs/devfs.c b/sys/fs/devfs.c index 024239d..293ee0a 100644 --- a/sys/fs/devfs.c +++ b/sys/fs/devfs.c @@ -30,6 +30,7 @@ #include <sys/types.h> #include <sys/vnode.h> #include <sys/errno.h> +#include <sys/stat.h> #include <sys/mount.h> #include <sys/device.h> #include <fs/devfs.h> @@ -126,6 +127,8 @@ devfs_lookup(struct vop_lookup_args *args) vp->data = dnp; vp->vops = &g_devfs_vops; + vp->major = dnp->major; + vp->dev = dnp->dev; *args->vpp = vp; return 0; } @@ -136,6 +139,8 @@ devfs_getattr(struct vop_getattr_args *args) struct vnode *vp; struct vattr *attr; struct devfs_node *dnp; + struct bdevsw *bdev; + size_t size = 0; vp = args->vp; if ((dnp = vp->data) == NULL) { @@ -145,6 +150,13 @@ devfs_getattr(struct vop_getattr_args *args) return -EIO; } + if (dnp->is_block) { + bdev = dev_get(dnp->major, dnp->dev); + if (bdev->bsize != NULL) { + size = bdev->bsize(dnp->dev); + } + } + /* * Set stat attributes from device node structure * found within vnode data. @@ -153,20 +165,13 @@ devfs_getattr(struct vop_getattr_args *args) * size is hardwired to 0. */ attr->mode = dnp->mode; - attr->size = 0; + attr->size = size; return 0; } static int devfs_reclaim(struct vnode *vp) { - struct devfs_node *dnp; - - if ((dnp = vp->data) != NULL) { - dynfree(dnp->name); - dynfree(vp->data); - } - vp->data = NULL; return 0; } @@ -255,7 +260,7 @@ devfs_create_entry(const char *name, devmajor_t major, dev_t dev, mode_t mode) memcpy(dnp->name, name, name_len); dnp->name[name_len] = '\0'; - + dnp->is_block = ISSET(mode, S_IFBLK) ? 1 : 0; dnp->major = major; dnp->dev = dev; dnp->mode = mode; @@ -268,7 +273,8 @@ const struct vops g_devfs_vops = { .reclaim = devfs_reclaim, .read = devfs_read, .write = devfs_write, - .getattr = devfs_getattr + .getattr = devfs_getattr, + .create = NULL }; const struct vfsops g_devfs_vfsops = { |