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vfs: redo vnode locking

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Matheus
2023-06-15 19:57:56 -03:00
parent 851385fbff
commit fef149ca55
7 changed files with 69 additions and 45 deletions
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kernel-src/mm/vmm.c
-4
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@@ -207,9 +207,7 @@ static void destroyrange(vmmcontext_t *context, vmmrange_t *range, uintmax_t _of
continue;
if ((range->flags & VMM_FLAGS_FILE) && (range->flags & VMM_FLAGS_SHARED) && (flags & VMM_DESTROY_FLAGS_NOSYNC) == 0) {
VOP_LOCK(range->vnode);
__assert(VOP_MUNMAP(range->vnode, vaddr, range->offset + offset, mmuflagstovnodeflags(range->mmuflags), NULL) == 0); // XXX pass cred struct
VOP_UNLOCK(range->vnode);
} else {
pmm_free(physical, 1);
arch_mmu_unmap(context->pagetable, vaddr);
@@ -316,9 +314,7 @@ bool vmm_pagefault(void *addr, bool user, int actions) {
if (range->flags & VMM_FLAGS_FILE) {
uintmax_t mapoffset = (uintptr_t)addr - (uintptr_t)range->start;
VOP_LOCK(range->vnode);
__assert(VOP_MMAP(range->vnode, addr, range->offset + mapoffset, mmuflagstovnodeflags(range->mmuflags), NULL) == 0); // XXX pass cred struct
VOP_UNLOCK(range->vnode);
status = true;
} else {
void *paddr = pmm_alloc(1, PMM_SECTION_DEFAULT);