openwrtv4/tools/genext2fs/patches/200-autoconf.patch
John Crispin b6fbe7bd5d tools: genext2fs: add support for blocksize != 1024
This patch series is extracted from
http://ftp.de.debian.org/debian/pool/main/g/genext2fs/genext2fs_1.4.1-4.debian.tar.gz

The patches are used in Debian for quite a long time, so I assume that
this is solid material. At least, my Ubuntu host fsck.ext4 does not bark :-)

The goal is to allow building filesystems with larger blocksizes instead of the
current default of 1k. This should improve performance and lifetime when the
filesystem is stored e.g. on a SD card (on Raspberry Pi/I2SE Duckbill for example)
which uses internal flash memory. Writing to flash memory is slow because writing
the data of one block results in erasing a whole erase block of the flash memory.
Thus it is preferable to align the filesystem block size on a flash device with
the erase blocksize, or at least bring it closer to the later one, to avoid
unnecessary write amplification.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

SVN-Revision: 40921
2014-06-02 12:43:46 +00:00

13 lines
622 B
Diff

Index: genext2fs/m4/ac_func_scanf_can_malloc.m4
===================================================================
--- genext2fs.orig/m4/ac_func_scanf_can_malloc.m4 2011-09-03 21:28:49.000000000 +0200
+++ genext2fs/m4/ac_func_scanf_can_malloc.m4 2011-09-03 21:29:41.000000000 +0200
@@ -9,7 +9,7 @@
# --------------------------------------
AC_DEFUN([AC_FUNC_SCANF_CAN_MALLOC],
[ AC_CHECK_HEADERS([stdlib.h])
- AC_CACHE_CHECK([whether scanf can malloc], [ac_scanf_can_malloc],
+ AC_CACHE_CHECK([whether scanf can malloc], [ac_cv_func_scanf_can_malloc],
[ AC_RUN_IFELSE(
[ AC_LANG_PROGRAM(
[