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Code Issues Releases Activity

- Call vnode_pager_input_old() with the vm object locked.

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This commit is contained in:
Alan Cox 2003-10-25 05:21:16 +00:00
parent b09a77f561
commit 52051abcf1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=121495
1 changed files with 6 additions and 5 deletions
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11
sys/vm/vnode_pager.c
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@ -536,7 +536,7 @@ vnode_pager_input_old(object, m)
vm_offset_t kva;
struct vnode *vp;
GIANT_REQUIRED;
VM_OBJECT_LOCK_ASSERT(object, MA_OWNED);
error = 0;
/*
@ -548,6 +548,8 @@ vnode_pager_input_old(object, m)
size = PAGE_SIZE;
if (IDX_TO_OFF(m->pindex) + size > object->un_pager.vnp.vnp_size)
size = object->un_pager.vnp.vnp_size - IDX_TO_OFF(m->pindex);
vp = object->handle;
VM_OBJECT_UNLOCK(object);
/*
* Allocate a kernel virtual address and initialize so that
@ -555,7 +557,6 @@ vnode_pager_input_old(object, m)
*/
kva = vm_pager_map_page(m);
vp = object->handle;
aiov.iov_base = (caddr_t) kva;
aiov.iov_len = size;
auio.uio_iov = &aiov;
@ -586,7 +587,6 @@ vnode_pager_input_old(object, m)
vm_page_unlock_queues();
if (!error)
m->valid = VM_PAGE_BITS_ALL;
VM_OBJECT_UNLOCK(object);
return error ? VM_PAGER_ERROR : VM_PAGER_OK;
}
@ -671,10 +671,11 @@ vnode_pager_generic_getpages(vp, m, bytecount, reqpage)
if (i != reqpage)
vm_page_free(m[i]);
vm_page_unlock_queues();
VM_OBJECT_UNLOCK(object);
cnt.v_vnodein++;
cnt.v_vnodepgsin++;
return vnode_pager_input_old(object, m[reqpage]);
error = vnode_pager_input_old(object, m[reqpage]);
VM_OBJECT_UNLOCK(object);
return (error);
/*
* if the blocksize is smaller than a page size, then use