From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 16 Dec 2011 16:26:00 +0000 (-0500)
Subject: libext2fs: use the rbtree bitmap by default when initializing a file system
X-Git-Tag: v1.42.1~33
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ff7bf30074d8a449ba389e9f088d356447105de;p=thirdparty%2Fe2fsprogs.git

libext2fs: use the rbtree bitmap by default when initializing a file system

This change causes the max resident memory of mke2fs, as reported by
/usr/bin/time, to drop from 9296k to 5328k when formatting a 25
gig volume.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

diff --git a/lib/ext2fs/initialize.c b/lib/ext2fs/initialize.c
index b050a0a9b..a63ea18d9 100644
--- a/lib/ext2fs/initialize.c
+++ b/lib/ext2fs/initialize.c
@@ -112,6 +112,7 @@ errcode_t ext2fs_initialize(const char *name, int flags,
 	fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS;
 	fs->flags = flags | EXT2_FLAG_RW;
 	fs->umask = 022;
+	fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
 #ifdef WORDS_BIGENDIAN
 	fs->flags |= EXT2_FLAG_SWAP_BYTES;
 #endif