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Filename Latest commit message Latest commit date
Namjae Jeon fb1b903695 exfat: stat: handle idmapped mounts 
The generic_fillattr() helper fills in the basic attributes associated
with an inode. Enable it to handle idmapped mounts. If the inode is
accessed through an idmapped mount map it into the mount's user
namespace before we store the uid and gid. If the initial user namespace
is passed nothing changes so non-idmapped mounts will see identical
behavior as before.

Link: https://lore.kernel.org/r/20210121131959.646623-12-christian.brauner@ubuntu.com
Cc: Christoph Hellwig <hch@lst.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
2021-03-25 08:10:59 +09:00
.travis.yml exfat: add FITRIM ioctl tests 2021-03-25 08:10:44 +09:00
.travis_cmd_wrapper.pl
.travis_get_mainline_kernel
balloc.c exfat: improve write performance when dirsync enabled 2021-03-25 08:10:51 +09:00
cache.c exfat: fix use of uninitialized spinlock on error path 2020-10-12 22:56:52 +09:00
dir.c exfat: improve write performance when dirsync enabled 2021-03-25 08:10:51 +09:00
exfat_fs.h exfat: improve write performance when dirsync enabled 2021-03-25 08:10:51 +09:00
exfat_raw.h exfat: fix shift-out-of-bounds in exfat_fill_super() 2021-02-01 10:35:05 +09:00
fatent.c exfat: improve write performance when dirsync enabled 2021-03-25 08:10:51 +09:00
file.c exfat: stat: handle idmapped mounts 2021-03-25 08:10:59 +09:00
inode.c exfat: improve write performance when dirsync enabled 2021-03-25 08:10:51 +09:00
Kconfig
Makefile
misc.c exfat: Fix date for year < 1980 and > 2108 2021-03-25 08:10:47 +09:00
namei.c exfat: improve write performance when dirsync enabled 2021-03-25 08:10:51 +09:00
nls.c exfat: Avoid allocating upcase table using kcalloc() 2020-12-08 12:51:04 +09:00
README.md exfat: fix typo 2020-02-10 21:35:58 +09:00
super.c exfat: introduce bitmap_lock for cluster bitmap access 2021-03-25 08:10:12 +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