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o Lock page queue accesses in nfs_getpages().

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This commit is contained in:
Alan Cox 2002-07-21 20:01:32 +00:00
parent 9067589d53
commit e0c9fdb50e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=100450
1 changed files with 7 additions and 1 deletions
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8
sys/nfsclient/nfs_bio.c
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@ -131,6 +131,7 @@ nfs_getpages(struct vop_getpages_args *ap)
{
vm_page_t m = pages[ap->a_reqpage];
vm_page_lock_queues();
if (m->valid != 0) {
/* handled by vm_fault now */
/* vm_page_zero_invalid(m, TRUE); */
@ -138,8 +139,10 @@ nfs_getpages(struct vop_getpages_args *ap)
if (i != ap->a_reqpage)
vm_page_free(pages[i]);
}
vm_page_unlock_queues();
return(0);
}
vm_page_unlock_queues();
}
/*
@ -170,10 +173,12 @@ nfs_getpages(struct vop_getpages_args *ap)
if (error && (uio.uio_resid == count)) {
printf("nfs_getpages: error %d\n", error);
vm_page_lock_queues();
for (i = 0; i < npages; ++i) {
if (i != ap->a_reqpage)
vm_page_free(pages[i]);
}
vm_page_unlock_queues();
return VM_PAGER_ERROR;
}
@ -184,7 +189,7 @@ nfs_getpages(struct vop_getpages_args *ap)
*/
size = count - uio.uio_resid;
vm_page_lock_queues();
for (i = 0, toff = 0; i < npages; i++, toff = nextoff) {
vm_page_t m;
nextoff = toff + PAGE_SIZE;
@ -238,6 +243,7 @@ nfs_getpages(struct vop_getpages_args *ap)
}
}
}
vm_page_unlock_queues();
return 0;
}