linux-ext4 - [PATCH V4 07/11] misc/create_inode.c: set owner/mode/time for the inode

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Message-ID: <1393661175-459-8-git-send-email-liezhi.yang@windriver.com>
Date:	Sat, 1 Mar 2014 03:06:11 -0500
From:	Robert Yang <liezhi.yang@...driver.com>
To:	<tytso@....edu>, <dvhart@...ux.intel.com>
CC:	<linux-ext4@...r.kernel.org>
Subject: [PATCH V4 07/11] misc/create_inode.c: set owner/mode/time for the inode

Set the uid, gid, mode and time for inode.

Signed-off-by: Robert Yang <liezhi.yang@...driver.com>
Reviewed-by: Darren Hart <dvhart@...ux.intel.com>
---
 misc/create_inode.c |   45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/misc/create_inode.c b/misc/create_inode.c
index 6a8c92a..aad7354 100644
--- a/misc/create_inode.c
+++ b/misc/create_inode.c
@@ -18,6 +18,40 @@
 #define S_BLKSIZE 512
 #endif
 
+/* Fill the uid, gid, mode and time for the inode */
+static void fill_inode(struct ext2_inode *inode, struct stat *st)
+{
+	if (st != NULL) {
+		inode->i_uid = st->st_uid;
+		inode->i_gid = st->st_gid;
+		inode->i_mode |= st->st_mode;
+		inode->i_atime = st->st_atime;
+		inode->i_mtime = st->st_mtime;
+		inode->i_ctime = st->st_ctime;
+	}
+}
+
+/* Set the uid, gid, mode and time for the inode */
+errcode_t set_inode_extra(ext2_ino_t cwd, ext2_ino_t ino, struct stat *st)
+{
+	errcode_t		retval;
+	struct ext2_inode	inode;
+
+	retval = ext2fs_read_inode(current_fs, ino, &inode);
+        if (retval) {
+		com_err(__func__, retval, "while reading inode %u", ino);
+		return retval;
+	}
+
+	fill_inode(&inode, st);
+
+	retval = ext2fs_write_inode(current_fs, ino, &inode);
+	if (retval) {
+		com_err(__func__, retval, "while writing inode %u", ino);
+		return retval;
+	}
+}
+
 /* Make a special file which is block, character and fifo */
 errcode_t do_mknod_internal(ext2_ino_t cwd, const char *name, struct stat *st)
 {
@@ -435,6 +469,17 @@ errcode_t populate_fs(ext2_ino_t parent_ino, const char *source_dir)
 				com_err(__func__, 0,
 					_("ignoring entry \"%s\""), name);
 		}
+
+		if ((retval =  ext2fs_namei(current_fs, root, parent_ino, name, &ino))){
+			com_err(name, retval, 0);
+			return retval;
+		}
+
+		if ((retval = set_inode_extra(parent_ino, ino, &st))) {
+			com_err(__func__, retval,
+				_("while setting inode for \"%s\""), name);
+			return retval;
+		}
 	}
 	closedir(dh);
 	return retval;
-- 
1.7.10.4

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