linux_dsm_epyc7002/fs/f2fs
Icenowy Zheng 38fb6d0ea3 f2fs: use EINVAL for superblock with invalid magic
The kernel mount_block_root() function expects -EACESS or -EINVAL for a
unmountable filesystem when trying to mount the root with different
filesystem types.

However, in 5.3-rc1 the behavior when F2FS code cannot find valid block
changed to return -EFSCORRUPTED(-EUCLEAN), and this error code makes
mount_block_root() fail when trying to probe F2FS.

When the magic number of the superblock mismatches, it has a high
probability that it's just not a F2FS. In this case return -EINVAL seems
to be a better result, and this return value can make mount_block_root()
probing work again.

Return -EINVAL when the superblock has magic mismatch, -EFSCORRUPTED in
other cases (the magic matches but the superblock cannot be recognized).

Fixes: 10f966bbf5 ("f2fs: use generic EFSBADCRC/EFSCORRUPTED")
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2019-07-28 22:59:14 -07:00
..
acl.c f2fs: Replace spaces with tab 2019-05-08 21:23:11 -07:00
acl.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
checkpoint.c f2fs: add a rw_sem to cover quota flag changes 2019-07-02 15:40:41 -07:00
data.c f2fs-for-5.3-rc1 2019-07-12 17:28:24 -07:00
debug.c f2fs: ioctl for removing a range from F2FS 2019-07-02 15:39:24 -07:00
dir.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
extent_cache.c f2fs: introduce f2fs_<level> macros to wrap f2fs_printk() 2019-07-02 15:40:40 -07:00
f2fs.h f2fs: support swap file w/ DIO 2019-07-03 08:52:54 -07:00
file.c f2fs: remove redundant check from f2fs_setflags_common() 2019-07-12 19:39:07 -07:00
gc.c f2fs: fix to read source block before invalidating it 2019-07-26 17:49:04 -07:00
gc.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
hash.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
inline.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
inode.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c f2fs: introduce f2fs_<level> macros to wrap f2fs_printk() 2019-07-02 15:40:40 -07:00
node.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
node.h f2fs: check PageWriteback flag for ordered case 2018-12-26 15:16:56 -08:00
recovery.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
segment.c f2fs: avoid out-of-range memory access 2019-07-10 18:13:53 -07:00
segment.h f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
shrinker.c f2fs: fix sbi->extent_list corruption issue 2018-12-26 15:16:54 -08:00
super.c f2fs: use EINVAL for superblock with invalid magic 2019-07-28 22:59:14 -07:00
sysfs.c f2fs: avoid get_valid_blocks() for cleanup 2019-07-02 15:40:40 -07:00
trace.c f2fs: do not use mutex lock in atomic context 2019-03-05 19:58:06 -08:00
trace.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
xattr.c f2fs: set SBI_NEED_FSCK for xattr corruption case 2019-07-02 15:40:41 -07:00
xattr.h f2fs: fix to avoid accessing xattr across the boundary 2019-05-09 09:43:29 -07:00