NFSv4.2 fix unnecessary retry in nfs4_copy_file_range (45ac486e) · Commits · 戴 / test

Currently nfs42_proc_copy_file_range() can not return EAGAIN. Fixes: ("NFS recover from destination server reboot for copies") Signed-off-by:

fs/nfs/nfs4file.c

+1 −7

Original line number	Diff line number	Diff line
		@@ -133,15 +133,9 @@ static ssize_t nfs4_copy_file_range(struct file *file_in, loff_t pos_in,
		struct file *file_out, loff_t pos_out,
		size_t count, unsigned int flags)
		{
		ssize_t ret;

		if (file_inode(file_in) == file_inode(file_out))
		return -EINVAL;
		retry:
		ret = nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count);
		if (ret == -EAGAIN)
		goto retry;
		return ret;
		return nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count);
		}

		static loff_t nfs4_file_llseek(struct file *filep, loff_t offset, int whence)