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

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 <hch@lst.de>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 027bc41a

fs/nfsd/vfs.c

+10 −0
Original line number Diff line number Diff line
@@ -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;