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Add support for "export" option, to allow NFS exporting

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of XFS filesystems.
This commit is contained in:
Craig Rodrigues 2006-05-26 13:01:53 +00:00
parent ee98eb825b
commit 4df2902f3b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=158953
1 changed files with 11 additions and 5 deletions
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16
sys/gnu/fs/xfs/FreeBSD/xfs_mountops.c
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@ -65,7 +65,7 @@ static b_strategy_t xfs_geom_strategy;
static const char *xfs_opts[] =
{ "from", "flags", "logbufs", "logbufsize",
"rtname", "logname", "iosizelog", "sunit",
"swidth",
"swidth", "export",
NULL };
static void
@ -168,6 +168,16 @@ _xfs_mount(struct mount *mp,
if (vfs_filteropt(mp->mnt_optnew, xfs_opts))
return (EINVAL);
if (mp->mnt_flag & MNT_UPDATE) {
/*
* XXX: Only support update mounts for NFS export.
*/
if (vfs_flagopt(mp->mnt_optnew, "export", NULL, 0))
return (0);
else
return EOPNOTSUPP;
}
xmp = xfsmount_allocate(mp);
if (xmp == NULL)
return (ENOMEM);
@ -179,10 +189,6 @@ _xfs_mount(struct mount *mp,
XFSTOVFS(xmp)->vfs_flag |= VFS_RDONLY;
mp->mnt_flag |= MNT_RDONLY;
/* XXX: Do not support MNT_UPDATE yet */
if (mp->mnt_flag & MNT_UPDATE)
return EOPNOTSUPP;
curcred = td->td_ucred;
XVFS_MOUNT(XFSTOVFS(xmp), &xmp->m_args, curcred, error);
if (error)