X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lib%2Fext2fs%2Fnewdir.c;h=7f472850090b9c5b942757179bff5b891d96465d;hb=947315c86645e3ac3e814a49a7e7ab4b3498f64b;hp=7f4266a5e93cf08b0943f6992fe6afd8abb2036c;hpb=8a480350952f6f0fdbce54326b6d847e66368897;p=tools%2Fe2fsprogs.git

diff --git a/lib/ext2fs/newdir.c b/lib/ext2fs/newdir.c
index 7f4266a..7f47285 100644
--- a/lib/ext2fs/newdir.c
+++ b/lib/ext2fs/newdir.c
@@ -4,11 +4,12 @@
  * Copyright (C) 1994, 1995 Theodore Ts'o.
  *
  * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
  * %End-Header%
  */
 
+#include "config.h"
 #include <stdio.h>
 #include <string.h>
 #if HAVE_UNISTD_H
@@ -33,6 +34,8 @@ errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
 	char			*buf;
 	int			rec_len;
 	int			filetype = 0;
+	struct ext2_dir_entry_tail	*t;
+	int			csum_size = 0;
 
 	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
 
@@ -42,21 +45,26 @@ errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
 	memset(buf, 0, fs->blocksize);
 	dir = (struct ext2_dir_entry *) buf;
 
-	retval = ext2fs_set_rec_len(fs, fs->blocksize, dir);
-	if (retval)
+	if (ext2fs_has_feature_metadata_csum(fs->super))
+		csum_size = sizeof(struct ext2_dir_entry_tail);
+
+	retval = ext2fs_set_rec_len(fs, fs->blocksize - csum_size, dir);
+	if (retval) {
+		ext2fs_free_mem(&buf);
 		return retval;
+	}
 
 	if (dir_ino) {
-		if (fs->super->s_feature_incompat &
-		    EXT2_FEATURE_INCOMPAT_FILETYPE)
-			filetype = EXT2_FT_DIR << 8;
+		if (ext2fs_has_feature_filetype(fs->super))
+			filetype = EXT2_FT_DIR;
 		/*
 		 * Set up entry for '.'
 		 */
 		dir->inode = dir_ino;
-		dir->name_len = 1 | filetype;
+		ext2fs_dirent_set_name_len(dir, 1);
+		ext2fs_dirent_set_file_type(dir, filetype);
 		dir->name[0] = '.';
-		rec_len = fs->blocksize - EXT2_DIR_REC_LEN(1);
+		rec_len = (fs->blocksize - csum_size) - EXT2_DIR_REC_LEN(1);
 		dir->rec_len = EXT2_DIR_REC_LEN(1);
 
 		/*
@@ -64,14 +72,55 @@ errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
 		 */
 		dir = (struct ext2_dir_entry *) (buf + dir->rec_len);
 		retval = ext2fs_set_rec_len(fs, rec_len, dir);
-		if (retval)
+		if (retval) {
+			ext2fs_free_mem(&buf);
 			return retval;
+		}
 		dir->inode = parent_ino;
-		dir->name_len = 2 | filetype;
+		ext2fs_dirent_set_name_len(dir, 2);
+		ext2fs_dirent_set_file_type(dir, filetype);
 		dir->name[0] = '.';
 		dir->name[1] = '.';
 
 	}
+
+	if (csum_size) {
+		t = EXT2_DIRENT_TAIL(buf, fs->blocksize);
+		ext2fs_initialize_dirent_tail(fs, t);
+	}
 	*block = buf;
 	return 0;
 }
+
+/*
+ * Create new directory on inline data
+ */
+errcode_t ext2fs_new_dir_inline_data(ext2_filsys fs,
+				     ext2_ino_t dir_ino EXT2FS_ATTR((unused)),
+				     ext2_ino_t parent_ino, __u32 *iblock)
+{
+	struct ext2_dir_entry 	*dir = NULL;
+	errcode_t		retval;
+	int			rec_len;
+
+	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
+
+	iblock[0] = ext2fs_cpu_to_le32(parent_ino);
+
+	dir = (struct ext2_dir_entry *)((char *)iblock +
+					EXT4_INLINE_DATA_DOTDOT_SIZE);
+	dir->inode = 0;
+	rec_len = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DATA_DOTDOT_SIZE;
+	retval = ext2fs_set_rec_len(fs, rec_len, dir);
+	if (retval)
+		goto errout;
+
+#ifdef WORDS_BIGENDIAN
+	retval = ext2fs_dirent_swab_out2(fs, (char *)dir, rec_len, 0);
+	if (retval)
+		goto errout;
+#endif
+
+errout:
+	return retval;
+}