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Filename Latest commit message Latest commit date
John Sanpe b1cc7d5aa3 exfat: using ffs instead of internal logic 
Replaced the internal table lookup algorithm with ffs of
the bitops library with better performance.

Use it to increase the single processing length of the
exfat_find_free_bitmap function, from single-byte search to long type.

Signed-off-by: John Sanpe <sanpeqf@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-12-29 23:04:53 +09:00
.github/workflows exfat: github action: remove liunx-4.1 source to get more disk space 2023-09-11 16:59:54 +09:00
balloc.c exfat: using ffs instead of internal logic 2023-12-29 23:04:53 +09:00
cache.c exfat: fix use of uninitialized spinlock on error path 2020-10-12 22:56:52 +09:00
dir.c exfat: use fat ioctls definitions from include/uapi/linux/msdos_fs.h 2023-10-30 21:08:39 +09:00
exfat_fs.h exfat: using ffs instead of internal logic 2023-12-29 23:04:53 +09:00
exfat_raw.h exfat: use fat ioctls definitions from include/uapi/linux/msdos_fs.h 2023-10-30 21:08:39 +09:00
fatent.c exfat: fix the newly allocated clusters are not freed in error handling 2023-07-11 22:20:45 +09:00
file.c exfat: fix ctime is not updated 2023-11-03 14:23:37 +09:00
inode.c exfat: fix setting uninitialized time to ctime/atime 2023-11-03 14:23:36 +09:00
Kconfig exfat: fs: add CONFIG_BUFFER_HEAD 2023-11-02 22:52:36 +09:00
Makefile exfat: fix typo in Makefile 2021-10-14 22:24:23 -07:00
misc.c exfat: convert to new timestamp accessors 2023-11-03 14:16:31 +09:00
namei.c exfat: convert to new timestamp accessors 2023-11-03 14:16:31 +09:00
nls.c exfat: Drop superfluous new line for error messages 2022-07-29 17:26:12 +09:00
README.md exfat: fix typo 2020-02-10 21:35:58 +09:00
super.c exfat: convert to new timestamp accessors 2023-11-03 14:16:31 +09:00

README.md

exFAT filesystem

This is the exfat filesystem for support from the linux 4.1 kernel to the latest kernel.

Installing as a stand-alone module

Install prerequisite package for Fedora, RHEL:

	yum install kernel-devel-$(uname -r)

Build step:

	make
	sudo make install

To load the driver manually, run this as root:

	modprobe exfat

Installing as a part of the kernel

  1. Let's take [linux] as the path to your kernel source dir.
	cd [linux]
	cp -ar exfat [linux]/fs/
  1. edit [linux]/fs/Kconfig
	source "fs/fat/Kconfig"
	+source "fs/exfat/Kconfig"
	source "fs/ntfs/Kconfig"
  1. edit [linux]/fs/Makefile
	obj-$(CONFIG_FAT_FS)          += fat/
	+obj-$(CONFIG_EXFAT_FS)       += exfat/
	obj-$(CONFIG_BFS_FS)          += bfs/
  1. make menuconfig and set exfat
	File systems  --->
		DOS/FAT/NT Filesystems  --->
			<M> exFAT filesystem support
			(utf8) Default iocharset for exFAT

build your kernel