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Commit aaae3f00 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: Force a post-op attribute update when holding a delegation 



If the ctime or mtime or change attribute have changed because
of an operation we initiated, we should make sure that we force
an attribute update. However we do not want to mark the page cache
for revalidation.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
Cc: stable@vger.kernel.org # v4.0+
parent dd52128a

fs/nfs/inode.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -1477,6 +1477,13 @@ static int nfs_post_op_update_inode_locked(struct inode *inode, struct nfs_fattr 
{

{

	unsigned long invalid = NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;

	unsigned long invalid = NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;





	/*

	 * Don't revalidate the pagecache if we hold a delegation, but do

	 * force an attribute update

	 */

	if (NFS_PROTO(inode)->have_delegation(inode, FMODE_READ))

		invalid = NFS_INO_INVALID_ATTR|NFS_INO_REVAL_FORCED;



	if (S_ISDIR(inode->i_mode))

	if (S_ISDIR(inode->i_mode))

		invalid |= NFS_INO_INVALID_DATA;

		invalid |= NFS_INO_INVALID_DATA;

	nfs_set_cache_invalid(inode, invalid);

	nfs_set_cache_invalid(inode, invalid);