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Commit ece0b423 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFS: Don't ignore errors from nfs_do_filldir() 



We should ignore the errors from the filldir callback, and just interpret
them as meaning we should exit, however we should definitely pass back
ENOMEM errors.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 85f8607e

fs/nfs/dir.c

+9 −9
Original line number Diff line number Diff line
@@ -709,13 +709,15 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent, 
	}



	for (i = desc->cache_entry_index; i < array->size; i++) {

		struct nfs_cache_array_entry *ent;

		d_type = DT_UNKNOWN;



		res = filldir(dirent, array->array[i].string.name,

			array->array[i].string.len, file->f_pos,

			nfs_compat_user_ino64(array->array[i].ino), d_type);

		if (res < 0)

		ent = &array->array[i];

		if (filldir(dirent, ent->string.name, ent->string.len,

		    file->f_pos, nfs_compat_user_ino64(ent->ino), d_type) < 0) {

			desc->eof = 1;

			break;

		}

		file->f_pos++;

		desc->cache_entry_index = i;

		if (i < (array->size-1))
@@ -820,14 +822,14 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir) 
		res = readdir_search_pagecache(desc);



		if (res == -EBADCOOKIE) {

			res = 0;

			/* This means either end of directory */

			if (*desc->dir_cookie && desc->eof == 0) {

				/* Or that the server has 'lost' a cookie */

				res = uncached_readdir(desc, dirent, filldir);

				if (res >= 0)

				if (res == 0)

					continue;

			}

			res = 0;

			break;

		}

		if (res == -ETOOSMALL && desc->plus) {
@@ -842,11 +844,9 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir) 
			break;



		res = nfs_do_filldir(desc, dirent, filldir);

		if (res < 0) {

			res = 0;

		if (res < 0)

			break;

	}

	}

out:

	nfs_unblock_sillyrename(dentry);

	if (res > 0)