diff options
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/vfs_dir.c | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index e298fe194093..d7d0ac5a2ca3 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; } |