Commit f0c63124 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by J. Bruce Fields

nfsd: update mtime on truncate

This fixes a failure in xfstests generic/313 because nfs doesn't update
mtime on a truncate.  The protocol requires this to be done implicity
for a size changing setattr.
Signed-off-by: default avatarChristoph Hellwig <>
Signed-off-by: default avatarJ. Bruce Fields <>
parent 027bc41a
......@@ -445,6 +445,16 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
if (err)
goto out;
size_change = 1;
* RFC5661, Section 18.30.4:
* Changing the size of a file with SETATTR indirectly
* changes the time_modify and change attributes.
* (and similar for the older RFCs)
if (iap->ia_size != i_size_read(inode))
iap->ia_valid |= ATTR_MTIME;
iap->ia_valid |= ATTR_CTIME;
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