Gitiles
Code Review Sign In
review.shift-gmbh.com / SHIFTPHONES / android_kernel_shift_sdm845 / 47fb2035ceca46dc4ac79368e030ccb2f5a270cc
commit47fb2035ceca46dc4ac79368e030ccb2f5a270cc[log] [tgz]
authorNamjae Jeon <linkinjeon@kernel.org>Fri Jan 13 22:51:20 2023 +0900
committerNamjae Jeon <linkinjeon@kernel.org>Fri Jan 13 22:53:51 2023 +0900
tree15eb1f3bd914bec891efd9e317d334cc84ab0e70
parent3eef540417547ae7eea6d8bcae97b797e8fb2cbb [diff]
exfat: handle unreconized benign secondary entries

Sony PXW-Z280 camera add vendor allocation entries to directory of
pictures. Currently, linux exfat does not support it and the file is
not visible. This patch handle vendor extension and allocation entries
as unreconized benign secondary entries. As described in the specification,
it is recognized but ignored, and when deleting directory entry set,
the associated clusters allocation are removed as well as benign secondary
directory entries.

Reported-by: Barócsi Dénes <admin@tveger.hu>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
3 files changed
tree: 15eb1f3bd914bec891efd9e317d334cc84ab0e70
  1. .github/
  2. balloc.c
  3. cache.c
  4. dir.c
  5. exfat_fs.h
  6. exfat_raw.h
  7. fatent.c
  8. file.c
  9. inode.c
  10. Kconfig
  11. Makefile
  12. misc.c
  13. namei.c
  14. nls.c
  15. README.md
  16. super.c
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