NFSv4: Force a post-op attribute update when holding a delegation (aaae3f00) · Commits · 戴 / test

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:

Trond Myklebust <trond.myklebust@primarydata.com> Cc: stable@vger.kernel.org # v4.0+

fs/nfs/inode.c

+7 −0

Original line number	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;

		/*
		* 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))
		invalid \|= NFS_INO_INVALID_DATA;
		nfs_set_cache_invalid(inode, invalid);

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