diff options
Diffstat (limited to 'ext2fs/dir.c')
| -rw-r--r-- | ext2fs/dir.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/ext2fs/dir.c b/ext2fs/dir.c index 6e6e4a57..5e6e1a53 100644 --- a/ext2fs/dir.c +++ b/ext2fs/dir.c @@ -101,6 +101,8 @@ diskfs_lookup (struct node *dp, char *name, enum lookup_type type, int spec_dotdot; struct node *np = 0; int retry_dotdot = 0; + vm_prot_t prot = + (type == LOOKUP) ? VM_PROT_READ : (VM_PROT_READ | VM_PROT_WRITE); memory_object_t memobj; vm_address_t buf = 0; vm_size_t buflen = 0; @@ -143,17 +145,12 @@ diskfs_lookup (struct node *dp, char *name, enum lookup_type type, ds->stat = LOOKING; /* Map in the directory contents. */ - memobj = diskfs_get_filemap (dp); + memobj = diskfs_get_filemap (dp, prot); buf = 0; /* We allow extra space in case we have to do an EXTEND. */ buflen = round_page (dp->dn_stat.st_size + DIRBLKSIZ); - if (type == LOOKUP) - /* Map read-only; we won't be writing */ - err = vm_map (mach_task_self (), &buf, buflen, 0, 1, memobj, 0, 0, - VM_PROT_READ, VM_PROT_READ, 0); - else - err = vm_map (mach_task_self (), &buf, buflen, 0, 1, memobj, 0, 0, - VM_PROT_READ|VM_PROT_WRITE, VM_PROT_READ|VM_PROT_WRITE, 0); + err = vm_map (mach_task_self (), + &buf, buflen, 0, 1, memobj, 0, 0, prot, prot, 0); mach_port_deallocate (mach_task_self (), memobj); inum = 0; @@ -666,7 +663,7 @@ diskfs_dirempty(struct node *dp, memory_object_t memobj; error_t err; - memobj = diskfs_get_filemap (dp); + memobj = diskfs_get_filemap (dp, VM_PROT_READ); buf = 0; err = vm_map (mach_task_self (), &buf, dp->dn_stat.st_size, 0, |