Commit e95fc4a0 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4.2: llseek(SEEK_HOLE) and llseek(SEEK_DATA) don't require data sync 



We want to ensure that we write the cached data to the server, but
don't require it be synced to disk. If the server reboots, we will
get a stateid error, which will cause us to retry anyway.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 837bb1d7

fs/nfs/nfs42proc.c

+5 −1
Original line number Diff line number Diff line
@@ -269,7 +269,11 @@ static loff_t _nfs42_proc_llseek(struct file *filep, 
	if (status)

		return status;



	nfs_wb_all(inode);

	status = nfs_filemap_write_and_wait_range(inode->i_mapping,

			offset, LLONG_MAX);

	if (status)

		return status;



	status = nfs4_call_sync(server->client, server, &msg,

				&args.seq_args, &res.seq_res, 0);

	if (status == -ENOTSUPP)