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Filename Latest commit message Latest commit date
Christoph Hellwig 0e44fbe12d exfat: remove ->writepage 
Patch series "start removing writepage instances v2".

The VM doesn't need or want ->writepage for writeback and is fine with
just having ->writepages as long as ->migrate_folio is implemented.

This series removes all ->writepage instances that use
block_write_full_page directly and also have a plain mpage_writepages
based ->writepages.

This patch (of 7):

->writepage is a very inefficient method to write back data, and only used
through write_cache_pages or a a fallback when no ->migrate_folio method
is present.

Set ->migrate_folio to the generic buffer_head based helper, and remove
the ->writepage implementation.

Link: https://lkml.kernel.org/r/20221202102644.770505-1-hch@lst.de
Link: https://lkml.kernel.org/r/20221202102644.770505-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Bob Copeland <me@bobcopeland.com>
Cc: Dave Kleikamp <shaggy@kernel.org>
Cc: Jan Kara <jack@suse.com>
Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2023-07-11 22:20:39 +09:00
.github/workflows exfat: remove generic/286 2022-12-09 23:20:49 +09:00
balloc.c exfat: further fix 'fatal_signal_pending' undeclared 2022-05-18 13:43:00 +09:00
cache.c
dir.c exfat: handle unreconized benign secondary entries 2023-01-13 22:53:51 +09:00
exfat_fs.h exfat: handle unreconized benign secondary entries 2023-01-13 22:53:51 +09:00
exfat_raw.h exfat: handle unreconized benign secondary entries 2023-01-13 22:53:51 +09:00
fatent.c exfat: fix overflow for large capacity partition 2022-08-24 08:21:31 +09:00
file.c exfat: fix inode->i_blocks for non-512 byte sector size device 2023-01-08 18:15:09 +09:00
inode.c exfat: remove ->writepage 2023-07-11 22:20:39 +09:00
Kconfig
Makefile
misc.c exfat: Expand exfat_err() and co directly to pr_*() macro 2022-07-29 17:26:04 +09:00
namei.c exfat: fix inode->i_blocks for non-512 byte sector size device 2023-01-08 18:15:09 +09:00
nls.c exfat: Drop superfluous new line for error messages 2022-07-29 17:26:12 +09:00
README.md
super.c exfat: fix inode->i_blocks for non-512 byte sector size device 2023-01-08 18:15:09 +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