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In nfs_mount(), default initialize struct nfs_args

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the same way that it is default initialized in revision 1.77 of mount_nfs.c.

Right now, this is a no-op, because currently we initialize
struct nfs_args in mount_nfs in userspace, and pass it
down into the kernel via nmount(), so we overwrite whatever we initialize
here with the value passed in from userspace.

However, this lays the groundwork for moving away from passing
struct nfs_args from userspace to kernel via nmount(), so that we
can instead pass string mount options via nmount() which can be parsed in
the kernel.  This will make it easier to add new NFS mount options.
This commit is contained in:
Craig Rodrigues 2008-03-05 09:41:22 +00:00
parent d8f7b008a7
commit c25215a737
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=176823
1 changed files with 25 additions and 1 deletions
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26
sys/nfsclient/nfs_vfsops.c
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@ -719,8 +719,32 @@ static const char *nfs_opts[] = { "from", "nfs_args",
static int
nfs_mount(struct mount *mp, struct thread *td)
{
struct nfs_args args = {
.version = NFS_ARGSVERSION,
.addr = NULL,
.addrlen = sizeof (struct sockaddr_in),
.sotype = SOCK_STREAM,
.proto = 0,
.fh = NULL,
.fhsize = 0,
.flags = NFSMNT_RESVPORT,
.wsize = NFS_WSIZE,
.rsize = NFS_RSIZE,
.readdirsize = NFS_READDIRSIZE,
.timeo = 10,
.retrans = NFS_RETRANS,
.maxgrouplist = NFS_MAXGRPS,
.readahead = NFS_DEFRAHEAD,
.wcommitsize = 0, /* was: NQ_DEFLEASE */
.deadthresh = NFS_MAXDEADTHRESH, /* was: NQ_DEADTHRESH */
.hostname = NULL,
/* args version 4 */
.acregmin = NFS_MINATTRTIMO,
.acregmax = NFS_MAXATTRTIMO,
.acdirmin = NFS_MINDIRATTRTIMO,
.acdirmax = NFS_MAXDIRATTRTIMO,
};
int error;
struct nfs_args args;
struct sockaddr *nam;
struct vnode *vp;
char hst[MNAMELEN];