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tmpfs: handle devices on open

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Matheus
2023-05-01 21:33:02 -03:00
parent c80f3db385
commit b4d0d45702
2 changed files with 20 additions and 1 deletions
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kernel-src/fs/tmpfs.c
+18 -1
View File
@@ -7,6 +7,7 @@
#include <kernel/vmm.h>
#include <util.h>
#include <kernel/abi.h>
#include <kernel/devfs.h>
static scache_t *nodecache;
static tmpfsnode_t *newnode(vfs_t *vfs, int type);
@@ -180,7 +181,23 @@ static int tmpfs_create(vnode_t *parent, char *name, vattr_t *attr, int type, vn
return error;
}
static int tmpfs_open(vnode_t **node, int flag, cred_t *cred) {
static int tmpfs_open(vnode_t **nodep, int flag, cred_t *cred) {
vnode_t *node = *nodep;
tmpfsnode_t *tmpnode = (tmpfsnode_t *)node;
if (node->type == V_TYPE_CHDEV || node->type == V_TYPE_BLKDEV) {
vnode_t *devnode;
int err = devfs_getnode(node, tmpnode->attr.rdevmajor, tmpnode->attr.rdevminor, &devnode);
if (err)
return err;
VOP_UNLOCK(node);
VOP_RELEASE(node);
VOP_HOLD(devnode);
VOP_LOCK(devnode);
*nodep = devnode;
}
return 0;
}
kernel-src/include/kernel/devfs.h
+2
View File
@@ -20,5 +20,7 @@ typedef struct devnode_t {
} devnode_t;
void devfs_init();
int devfs_getnode(vnode_t *physical, int major, int minor, vnode_t **node);
int devfs_register(devops_t *devops, char *name, int type, int major, int minor, mode_t mode);
#endif