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Bart Van Assche 5c5c31ca6b Suppress a compiler warning about integer truncation 
commit 70e4139665cbcb7bde42cf004267dd97268f61b7
category: bugfix
issue: #I6VAS0
CVE: NA

Signed-off-by: DongSenhao <dongsenhao2@huawei.com>
---------------------------------------

This patch prevents that older compilers report the following warning:

f2fs_format.c: In function ‘f2fs_prepare_super_block’:
../include/f2fs_fs.h:350:26: error: conversion from ‘unsigned int’ to ‘__uint16_t’ {aka ‘short unsigned int’} changes value from ‘4076150800’ to ‘8208’ [-Werror=overflow]
  350 | #define F2FS_SUPER_MAGIC 0xF2F52010 /* F2FS Magic Number */
      |                          ^~~~~~~~~~
 ../include/f2fs_fs.h:574:49: note: in expansion of macro ‘cpu_to_le16’
  574 | #define set_sb_le16(member, val)  (sb->member = cpu_to_le16(val))
      |                                                 ^~~~~~~~~~~

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: dongsenhao <dongsenhao2@huawei.com>
2023-04-13 14:13:50 +08:00
.github/workflows ci: Build f2fstools upon push and pull requests 2023-04-13 14:13:48 +08:00
fsck Annotate switch/case fallthrough 2023-04-13 14:13:50 +08:00
include Suppress a compiler warning about integer truncation 2023-04-13 14:13:50 +08:00
lib Change #ifdef _WIN32 checks into #ifdef HAVE_.* 2023-04-13 14:13:50 +08:00
m4 mkfs: Initial commit for patch v2 series 2012-11-26 19:45:59 +09:00
man man: update mkfs.f2fs to give the default android option 2023-04-13 14:13:47 +08:00
mkfs Change #ifdef _WIN32 checks into #ifdef HAVE_.* 2023-04-13 14:13:50 +08:00
scripts script: add simple test script 2016-04-18 21:11:26 -04:00
tools Annotate switch/case fallthrough 2023-04-13 14:13:50 +08:00
.gitignore f2fs-tools: Add f2fs_io to .gitignore 2019-03-23 19:00:10 +09:00
AUTHORS mkfs: Initial commit for patch v2 series 2012-11-26 19:45:59 +09:00
autogen.sh defrag.f2fs: introduce defragmentation tool 2015-12-11 15:58:50 -08:00
BUILD.gn f2fs_tools部件化 2022-08-23 10:40:59 +08:00
bundle.json f2fs_tools部件化 2022-08-23 10:40:59 +08:00
ChangeLog f2fs-tools: add fsck.f2fs and dump.f2fs 2013-07-04 23:15:25 +09:00
config.h BUILD.gn and config.h modify Huawei license to GPL-2.0 license.Add #ifndef CONFIG_H #define CONFIG_H on the head of file and #endif on the end of config.h. Modify the value of Name in README.OpenSource. 2021-12-20 21:44:20 +08:00
configure.ac Change #ifdef _WIN32 checks into #ifdef HAVE_.* 2023-04-13 14:13:50 +08:00
COPYING License tweak: LGPL v2.1 vs LGPL v2 2014-06-12 16:52:59 +09:00
Makefile.am f2fs-tools: add f2fstat to print f2fs's status in sec 2014-01-14 17:48:35 +09:00
OAT.xml 单个模块扫描(三方软件)结果清零. 2022-02-16 16:22:31 +08:00
README.md configure.ac: Enable cross-compilation 2023-04-13 14:13:48 +08:00
README.OpenSource README.OpenSource format modification 2022-05-26 18:31:53 +08:00
VERSION f2fs-tools: release 1.14.0 2020-08-24 14:55:54 -07:00
VERSIONING doc: add versioning rule 2018-11-21 11:38:23 -08:00

README.md

F2FS format utility

To use the f2fs filesystem, you should format the storage partition with this utility. Otherwise, you cannot mount f2fs.

Before compilation

You should install the following packages.

  • libuuid-devel or uuid-dev
  • autoconf
  • libtool
  • libselinux1-dev

Initial compilation

Before initial compilation, autoconf/automake tools should be run.

./autogen.sh

How to compile

./configure
make
make install

How to cross-compile (e.g., for ARM)

  1. Add the below line into mkfs/Makefile.am:
    mkfs_f2fs_LDFLAGS = -all-static

  2. Add the below line into fsck/Makefile.am:
    fsck_f2fs_LDFLAGS = -all-static

  3. then, do:
    LDFLAGS=--static ./configure
    --host=arm-none-linux-gnueabi --target=arm-none-linux-gnueabi
    make

How to run by default

mkfs.f2fs -l [LABEL] $DEV

For more mkfs options, see the man page.