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-rw-r--r--fs/9p/vfs_dir.c54
1 files changed, 38 insertions, 16 deletions
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index e298fe19409..d7d0ac5a2ca 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -69,32 +69,54 @@ static inline int dt_type(struct p9_stat *mistat)
static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
{
int over;
+ struct p9_stat st;
+ int err;
struct p9_fid *fid;
- struct v9fs_session_info *v9ses;
- struct inode *inode;
- struct p9_stat *st;
+ int buflen;
+ char *statbuf;
+ int n, i = 0;
P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name);
- inode = filp->f_path.dentry->d_inode;
- v9ses = v9fs_inode2v9ses(inode);
fid = filp->private_data;
- while ((st = p9_client_dirread(fid, filp->f_pos)) != NULL) {
- if (IS_ERR(st))
- return PTR_ERR(st);
- over = filldir(dirent, st->name.str, st->name.len, filp->f_pos,
- v9fs_qid2ino(&st->qid), dt_type(st));
+ buflen = fid->clnt->msize - P9_IOHDRSZ;
+ statbuf = kmalloc(buflen, GFP_KERNEL);
+ if (!statbuf)
+ return -ENOMEM;
- if (over)
+ while (1) {
+ err = v9fs_file_readn(filp, statbuf, NULL, fid->rdir_fpos,
+ buflen);
+ if (err <= 0)
break;
- filp->f_pos += st->size;
- kfree(st);
- st = NULL;
+ n = err;
+ while (i < n) {
+ err = p9_deserialize_stat(statbuf + i, buflen-i, &st,
+ fid->clnt->dotu);
+ if (!err) {
+ err = -EIO;
+ goto free_and_exit;
+ }
+
+ i += err;
+ fid->rdir_fpos += err;
+
+ over = filldir(dirent, st.name.str, st.name.len,
+ filp->f_pos, v9fs_qid2ino(&st.qid), dt_type(&st));
+
+ filp->f_pos += st.size;
+
+ if (over) {
+ err = 0;
+ goto free_and_exit;
+ }
+ }
}
- kfree(st);
- return 0;
+free_and_exit:
+ kfree(statbuf);
+ return err;
}