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authorYongqiang Yang <xiaoqiangnk@gmail.com>2012-01-03 23:32:52 -0500
committerTheodore Ts'o <tytso@mit.edu>2012-01-03 23:32:52 -0500
commit33afdcc5402d0abf70ef2dfb96d0b901d20bcc37 (patch)
tree1991d90dfed2cab0775bf668a897bcf66681df53 /fs/ext4/ext4.h
parent28c7bac0091687e6116ebd6c179e154ae4053c90 (diff)
downloadlinux-33afdcc5402d0abf70ef2dfb96d0b901d20bcc37.tar.gz
ext4: add a function which sets up group blocks of a flex bg
This patch adds a function named setup_new_flex_group_blocks() which
sets up group blocks of a flex bg.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 0e43bba049a9..05058e2b7f4f 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -511,6 +511,14 @@ struct ext4_new_group_data {
 	__u32 free_blocks_count;
 };
 
+/* Indexes used to index group tables in ext4_new_group_data */
+enum {
+	BLOCK_BITMAP = 0,	/* block bitmap */
+	INODE_BITMAP,		/* inode bitmap */
+	INODE_TABLE,		/* inode tables */
+	GROUP_TABLE_COUNT,
+};
+
 /*
  * Flags used by ext4_map_blocks()
  */