diff options
Diffstat (limited to 'sys/kern/uipc_syscalls.c')
| -rw-r--r-- | sys/kern/uipc_syscalls.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c index 0ec26e9..ba05d0e 100644 --- a/sys/kern/uipc_syscalls.c +++ b/sys/kern/uipc_syscalls.c @@ -1863,12 +1863,12 @@ kern_sendfile(struct thread *td, struct sendfile_args *uap, * reclamation of its vnode does not * immediately destroy it. */ - VM_OBJECT_LOCK(obj); + VM_OBJECT_WLOCK(obj); if ((obj->flags & OBJ_DEAD) == 0) { vm_object_reference_locked(obj); - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); } else { - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); obj = NULL; } } @@ -2045,7 +2045,7 @@ retry_space: vm_offset_t pgoff; struct mbuf *m0; - VM_OBJECT_LOCK(obj); + VM_OBJECT_WLOCK(obj); /* * Calculate the amount to transfer. * Not to exceed a page, the EOF, @@ -2063,7 +2063,7 @@ retry_space: xfsize = omin(rem, xfsize); xfsize = omin(space - loopbytes, xfsize); if (xfsize <= 0) { - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); done = 1; /* all data sent */ break; } @@ -2084,7 +2084,7 @@ retry_space: * block. */ if (pg->valid && vm_page_is_valid(pg, pgoff, xfsize)) - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); else if (m != NULL) error = EAGAIN; /* send what we already got */ else if (uap->flags & SF_NODISKIO) @@ -2098,7 +2098,7 @@ retry_space: * when the I/O completes. */ vm_page_io_start(pg); - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); /* * Get the page from backing store. @@ -2120,10 +2120,10 @@ retry_space: td->td_ucred, NOCRED, &resid, td); VOP_UNLOCK(vp, 0); after_read: - VM_OBJECT_LOCK(obj); + VM_OBJECT_WLOCK(obj); vm_page_io_finish(pg); if (!error) - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); mbstat.sf_iocnt++; } if (error) { @@ -2138,7 +2138,7 @@ retry_space: pg->busy == 0 && !(pg->oflags & VPO_BUSY)) vm_page_free(pg); vm_page_unlock(pg); - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); if (error == EAGAIN) error = 0; /* not a real error */ break; |
