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fs: binding of pipes to vnodes

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Matheus
2024-08-11 13:06:46 -03:00
parent f02a63473f
commit a24be5cbc5
5 changed files with 53 additions and 8 deletions
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kernel-src/fs/tmpfs.c
+15 -4
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@@ -13,6 +13,7 @@
#include <arch/cpu.h>
#include <string.h>
#include <kernel/vmmcache.h>
#include <kernel/pipefs.h>
static scache_t *nodecache;
static tmpfsnode_t *newnode(vfs_t *vfs, int type);
@@ -158,18 +159,28 @@ static int tmpfs_open(vnode_t **nodep, int flag, cred_t *cred) {
vnode_t *node = *nodep;
tmpfsnode_t *tmpnode = (tmpfsnode_t *)node;
int error = 0;
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;
error = devfs_getnode(node, tmpnode->attr.rdevmajor, tmpnode->attr.rdevminor, &devnode);
if (error)
return error;
VOP_RELEASE(node);
VOP_HOLD(devnode);
*nodep = devnode;
}
return 0;
if (node->type == V_TYPE_FIFO) {
VOP_LOCK(*nodep);
vnode_t *fifo;
error = pipefs_getbinding(*nodep, &fifo);
VOP_UNLOCK(*nodep);
if (error == 0)
*nodep = fifo;
}
return error;
}
static int tmpfs_close(vnode_t *node, int flag, cred_t *cred) {