Author: kib
Date: Wed Aug 29 15:58:44 2012
New Revision: 239852
URL: http://svn.freebsd.org/changeset/base/239852
Log:
MFC r237367:
Enable deadlock avoidance code for NFS client.
Modified:
stable/9/sys/fs/nfsclient/nfs_clbio.c
stable/9/sys/fs/nfsclient/nfs_clvfsops.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/fs/ (props changed)
Modified: stable/9/sys/fs/nfsclient/nfs_clbio.c
==============================================================================
--- stable/9/sys/fs/nfsclient/nfs_clbio.c Wed Aug 29 15:56:25 2012
(r239851)
+++ stable/9/sys/fs/nfsclient/nfs_clbio.c Wed Aug 29 15:58:44 2012
(r239852)
@@ -698,7 +698,7 @@ ncl_bioread(struct vnode *vp, struct uio
};
if (n > 0) {
- error = uiomove(bp->b_data + on, (int)n, uio);
+ error = vn_io_fault_uiomove(bp->b_data + on, (int)n, uio);
}
if (vp->v_type == VLNK)
n = 0;
@@ -1179,7 +1179,7 @@ again:
}
local_resid = uio->uio_resid;
- error = uiomove((char *)bp->b_data + on, n, uio);
+ error = vn_io_fault_uiomove((char *)bp->b_data + on, n, uio);
if (error != 0 && !bp_cached) {
/*
Modified: stable/9/sys/fs/nfsclient/nfs_clvfsops.c
==============================================================================
--- stable/9/sys/fs/nfsclient/nfs_clvfsops.c Wed Aug 29 15:56:25 2012
(r239851)
+++ stable/9/sys/fs/nfsclient/nfs_clvfsops.c Wed Aug 29 15:58:44 2012
(r239852)
@@ -1136,7 +1136,8 @@ nfs_mount(struct mount *mp)
out:
if (!error) {
MNT_ILOCK(mp);
- mp->mnt_kern_flag |= (MNTK_MPSAFE|MNTK_LOOKUP_SHARED);
+ mp->mnt_kern_flag |= MNTK_MPSAFE | MNTK_LOOKUP_SHARED |
+ MNTK_NO_IOPF;
MNT_IUNLOCK(mp);
}
return (error);
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