Commit 36a10a3c authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFS: Remove unnecessary page cache invalidations 



Remove cache invalidations that are already covered by change attribute
updates.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent b97583b2

fs/nfs/inode.c

+1 −6
Original line number Diff line number Diff line
@@ -1451,8 +1451,6 @@ static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr) 
			&& (fattr->valid & NFS_ATTR_FATTR_MTIME)

			&& timespec64_equal(&ts, &fattr->pre_mtime)) {

		inode->i_mtime = fattr->mtime;

		if (S_ISDIR(inode->i_mode))

			nfs_set_cache_invalid(inode, NFS_INO_INVALID_DATA);

	}

	if ((fattr->valid & NFS_ATTR_FATTR_PRESIZE)

			&& (fattr->valid & NFS_ATTR_FATTR_SIZE)
@@ -2162,11 +2160,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) 
			save_cache_validity & NFS_INO_INVALID_OTHER;



	if (fattr->valid & NFS_ATTR_FATTR_NLINK) {

		if (inode->i_nlink != fattr->nlink) {

			if (S_ISDIR(inode->i_mode))

				invalid |= NFS_INO_INVALID_DATA;

		if (inode->i_nlink != fattr->nlink)

			set_nlink(inode, fattr->nlink);

		}

	} else if (fattr_supported & NFS_ATTR_FATTR_NLINK)

		nfsi->cache_validity |=

			save_cache_validity & NFS_INO_INVALID_NLINK;