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devfs: maxseek

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Matheus
2023-09-09 00:30:43 -03:00
parent a83a561094
commit fe303aec69
4 changed files with 35 additions and 12 deletions
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kernel-src/fs/devfs.c
+9
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@@ -201,6 +201,14 @@ int devfs_ioctl(vnode_t *node, unsigned long request, void *arg, int *ret) {
return devnode->devops->ioctl ? devnode->devops->ioctl(devnode->attr.rdevminor, request, arg, ret) : ENOTTY;
}
int devfs_maxseek(vnode_t *node, size_t *max) {
devnode_t *devnode = (devnode_t *)node;
if (devnode->master)
devnode = devnode->master;
return devnode->devops->maxseek ? devnode->devops->maxseek(devnode->attr.rdevminor, max) : ENOTTY;
}
int devfs_inactive(vnode_t *node) {
VOP_LOCK(node);
devnode_t *devnode = (devnode_t *)node;
@@ -325,6 +333,7 @@ static vops_t vnops = {
.getdents = devfs_getdents,
.isatty = devfs_isatty,
.ioctl = devfs_ioctl,
.maxseek = devfs_maxseek,
.resize = devfs_enodev
};