Commit c49edecd authored Sep 03, 2016 by Trond Myklebust

NFS: Fix error reporting in nfs_file_write()

When doing O_DSYNC writes, the actual write errors are reported through
generic_write_sync(), so we must test the result.

Reported-by: J. R. Okajima <hooanon05g@gmail.com>
Fixes: 18290650 ("NFS: Move buffered I/O locking into nfs_file_write()")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent a41bd25a

fs/nfs/file.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -657,7 +657,10 @@ ssize_t nfs_file_write(struct kiocb iocb, struct iov_iter from)
		if (result <= 0)
		goto out;

		written = generic_write_sync(iocb, result);
		result = generic_write_sync(iocb, result);
		if (result < 0)
		goto out;
		written = result;
		iocb->ki_pos += written;

		/* Return error values */