CIFS: Add readdir support for SMB2
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 52bc931..0fa086c 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -424,6 +424,59 @@
cfile->fid.volatile_fid, cfile->pid, &eof);
}
+static int
+smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *path, struct cifs_sb_info *cifs_sb,
+ struct cifs_fid *fid, __u16 search_flags,
+ struct cifs_search_info *srch_inf)
+{
+ __le16 *utf16_path;
+ int rc;
+ __u64 persistent_fid, volatile_fid;
+
+ utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
+ if (!utf16_path)
+ return -ENOMEM;
+
+ rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid,
+ FILE_READ_ATTRIBUTES | FILE_READ_DATA, FILE_OPEN, 0, 0,
+ NULL);
+ kfree(utf16_path);
+ if (rc) {
+ cERROR(1, "open dir failed");
+ return rc;
+ }
+
+ srch_inf->entries_in_buffer = 0;
+ srch_inf->index_of_last_entry = 0;
+ fid->persistent_fid = persistent_fid;
+ fid->volatile_fid = volatile_fid;
+
+ rc = SMB2_query_directory(xid, tcon, persistent_fid, volatile_fid, 0,
+ srch_inf);
+ if (rc) {
+ cERROR(1, "query directory failed");
+ SMB2_close(xid, tcon, persistent_fid, volatile_fid);
+ }
+ return rc;
+}
+
+static int
+smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_fid *fid, __u16 search_flags,
+ struct cifs_search_info *srch_inf)
+{
+ return SMB2_query_directory(xid, tcon, fid->persistent_fid,
+ fid->volatile_fid, 0, srch_inf);
+}
+
+static int
+smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_fid *fid)
+{
+ return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
+}
+
struct smb_version_operations smb21_operations = {
.setup_request = smb2_setup_request,
.setup_async_request = smb2_setup_async_request,
@@ -473,6 +526,10 @@
.async_writev = smb2_async_writev,
.sync_read = smb2_sync_read,
.sync_write = smb2_sync_write,
+ .query_dir_first = smb2_query_dir_first,
+ .query_dir_next = smb2_query_dir_next,
+ .close_dir = smb2_close_dir,
+ .calc_smb_size = smb2_calc_size,
};
struct smb_version_values smb21_values = {