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nfsd41: control nfsv4.1 svc via /proc/fs/nfsd/versions

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Support enabling and disabling nfsv4.1 via /proc/fs/nfsd/versions
by writing the strings "+4.1" or "-4.1" correspondingly.

Use user mode nfs-utils (rpc.nfsd option) to enable.
This will allow us to get rid of CONFIG_NFSD_V4_1

[nfsd41: disable support for minorversion by default]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Benny Halevy
2009-04-03 08:28:59 +03:00
committed by J. Bruce Fields
parent 84459a1162
commit 8daf220a6a
4 changed files with 50 additions and 4 deletions
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2
fs/nfsd/nfs4proc.c
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@@ -921,7 +921,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
* According to RFC3010, this takes precedence over all other errors.
*/
status = nfserr_minor_vers_mismatch;
if (args->minorversion > NFSD_SUPPORTED_MINOR_VERSION)
if (args->minorversion > nfsd_supported_minorversion)
goto out;
if (!nfs41_op_ordering_ok(args)) {