diff options
-rw-r--r-- | fs/nfsd/vfs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 89d1ae3bcff7..965cffd17a0c 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -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; |