Commit 8b7d9d09 authored Jul 14, 2016 by Trond Myklebust

NFSv4: Revert "Truncating file opens should also sync O_DIRECT writes"



We're not holding any locks, so both nfs_wb_all() and inode_dio_wait()
are unenforcible and have livelock potential. Just limit ourselves to
flushing out the data.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent 9a773e7c

fs/nfs/nfs4file.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -66,7 +66,7 @@ nfs4_file_open(struct inode inode, struct file filp)
		if (openflags & O_TRUNC) {
		attr.ia_valid \|= ATTR_SIZE;
		attr.ia_size = 0;
		nfs_sync_inode(inode);
		filemap_write_and_wait(inode->i_mapping);
		}

		inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr, NULL);