99 lines
2.9 KiB
Diff
99 lines
2.9 KiB
Diff
From c98fec004f077e566b9dfa20b25e3b86cb462a2e Mon Sep 17 00:00:00 2001
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From: Robert Yang <liezhi.yang@windriver.com>
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Date: Tue, 24 Dec 2013 01:41:08 -0500
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Subject: [PATCH 01/11] mke2fs: add the ability to copy files from a given
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directory
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We will add a -d option which will be used for adding the files from a
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given directory to the filesystem, it is similiar to genext2fs, but
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genext2fs doesn't fully support ext4.
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* We already have the basic operations in debugfs:
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- Copy regular file
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- Create directory
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- Create symlink
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- Create special file
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We will move these operations into create_inode.h and create_inode.c,
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then let both mke2fs and debugfs use them.
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* What we need to do are:
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- Copy the given directory recursively, this will be done by the
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populate_fs()
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- Set the owner, mode and other informations
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- Handle the hard links
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TODO:
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- The libext2fs can't create the socket file (S_IFSOCK), do we have a
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plan to support it ?
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Upstream-Status: Backport
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Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
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Reviewed-by: Darren Hart <dvhart@linux.intel.com>
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---
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misc/create_inode.c | 26 ++++++++++++++++++++++++++
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misc/create_inode.h | 17 +++++++++++++++++
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2 files changed, 43 insertions(+)
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create mode 100644 misc/create_inode.c
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create mode 100644 misc/create_inode.h
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diff --git a/misc/create_inode.c b/misc/create_inode.c
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new file mode 100644
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index 0000000..46aaa60
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--- /dev/null
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+++ b/misc/create_inode.c
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@@ -0,0 +1,26 @@
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+#include "create_inode.h"
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+
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+/* Make a special file which is block, character and fifo */
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+errcode_t do_mknod_internal(ext2_ino_t cwd, const char *name, struct stat *st)
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+{
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+}
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+
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+/* Make a symlink name -> target */
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+errcode_t do_symlink_internal(ext2_ino_t cwd, const char *name, char *target)
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+{
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+}
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+
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+/* Make a directory in the fs */
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+errcode_t do_mkdir_internal(ext2_ino_t cwd, const char *name, struct stat *st)
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+{
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+}
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+
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+/* Copy the native file to the fs */
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+errcode_t do_write_internal(ext2_ino_t cwd, const char *src, const char *dest)
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+{
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+}
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+
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+/* Copy files from source_dir to fs */
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+errcode_t populate_fs(ext2_ino_t parent_ino, const char *source_dir)
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+{
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+}
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diff --git a/misc/create_inode.h b/misc/create_inode.h
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new file mode 100644
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index 0000000..9fc97fa
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--- /dev/null
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+++ b/misc/create_inode.h
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@@ -0,0 +1,17 @@
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <fcntl.h>
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+#include "et/com_err.h"
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+#include "e2p/e2p.h"
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+#include "ext2fs/ext2fs.h"
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+#include "nls-enable.h"
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+
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+ext2_filsys current_fs;
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+ext2_ino_t root;
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+
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+/* For populating the filesystem */
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+extern errcode_t populate_fs(ext2_ino_t parent_ino, const char *source_dir);
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+extern errcode_t do_mknod_internal(ext2_ino_t cwd, const char *name, struct stat *st);
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+extern errcode_t do_symlink_internal(ext2_ino_t cwd, const char *name, char *target);
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+extern errcode_t do_mkdir_internal(ext2_ino_t cwd, const char *name, struct stat *st);
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+extern errcode_t do_write_internal(ext2_ino_t cwd, const char *src, const char *dest);
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--
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1.7.10.4
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