From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Recent changes to readdir mean that we can cope with partially filled
page cache entries, so we no longer need to rely on looping in
nfs_readdir_xdr_to_array().
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/dir.c | 29 +++++++++++------------------
1 file changed, 11 insertions(+), 18 deletions(-)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index b0ee3a0e0f81..10421b5331ca 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -864,6 +864,7 @@ static int nfs_readdir_xdr_to_array(struct nfs_readdir_descriptor *desc,
size_t array_size;
struct inode *inode = file_inode(desc->file);
unsigned int dtsize = desc->dtsize;
+ unsigned int pglen;
int status = -ENOMEM;
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
@@ -881,28 +882,20 @@ static int nfs_readdir_xdr_to_array(struct nfs_readdir_descriptor *desc,
if (!pages)
goto out;
- do {
- unsigned int pglen;
- status = nfs_readdir_xdr_filler(desc, verf_arg, entry->cookie,
- pages, dtsize,
- verf_res);
- if (status < 0)
- break;
-
- pglen = status;
- if (pglen == 0) {
- nfs_readdir_page_set_eof(page);
- break;
- }
-
- verf_arg = verf_res;
+ status = nfs_readdir_xdr_filler(desc, verf_arg, entry->cookie, pages,
+ dtsize, verf_res);
+ if (status < 0)
+ goto free_pages;
+ pglen = status;
+ if (pglen != 0)
status = nfs_readdir_page_filler(desc, entry, pages, pglen,
arrays, narrays);
- desc->buffer_fills++;
- } while (!status && nfs_readdir_page_needs_filling(page) &&
- page_mapping(page));
+ else
+ nfs_readdir_page_set_eof(page);
+ desc->buffer_fills++;
+free_pages:
nfs_readdir_free_pages(pages, array_size);
out:
nfs_free_fattr(entry->fattr);
--
2.35.1
