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    SubjectRe: [PATCH 1/2] nfsd: make NFSv4 lease time per net
    On Wed, Nov 28, 2012 at 07:12:03PM +0400, Stanislav Kinsbursky wrote:
    > 28.11.2012 19:09, J. Bruce Fields пишет:
    > >On Tue, Nov 27, 2012 at 02:11:44PM +0300, Stanislav Kinsbursky wrote:
    > >>diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
    > >>index dab350d..4930981 100644
    > >>--- a/fs/nfsd/nfsctl.c
    > >>+++ b/fs/nfsd/nfsctl.c
    > >>@@ -912,7 +912,8 @@ static ssize_t nfsd4_write_time(struct file *file, char *buf, size_t size, time_
    > >> */
    > >> static ssize_t write_leasetime(struct file *file, char *buf, size_t size)
    > >> {
    > >>- return nfsd4_write_time(file, buf, size, &nfsd4_lease);
    > >>+ struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id);
    > >>+ return nfsd4_write_time(file, buf, size, &nn->nfsd4_lease);
    > >
    > >This is called in the context of whatever process writes to
    > >nfsv4leasetime, so should be using its network namespace, right?
    > >
    >
    > This is, actually, a interim solution to preserve existent logic.
    > I.e. I'm going to convert "nfsd" filesystem into per-net one (like rpc_pipefs). I, actually, already done it in my tree.
    > Thus proper network namespace will be taken from nfsd superblock.

    OK, remind me how that works? It's mounted just once, but each network
    namespace gets a different view of the filesystem?

    --b.
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