Zhang Yi 9ffa07c699 ext2: correct max file size computing ... [ Upstream commit 50b3a818991074177a56c87124c7a7bdf5fa4f67 ] We need to calculate the max file size accurately if the total blocks that can address by block tree exceed the upper_limit. But this check is not correct now, it only compute the total data blocks but missing metadata blocks are needed. So in the case of "data blocks < upper_limit && total blocks > upper_limit", we will get wrong result. Fortunately, this case could not happen in reality, but it's confused and better to correct the computing. bits data blocks metadatablocks upper_limit 10 16843020 66051 2147483647 11 134480396 263171 1073741823 12 1074791436 1050627 536870911 (*) 13 8594130956 4198403 268435455 (*) 14 68736258060 16785411 134217727 (*) 15 549822930956 67125251 67108863 (*) 16 4398314962956 268468227 33554431 (*) [*] Need to calculate in depth. Fixes: 1c2d14212b ("ext2: Fix underflow in ext2_max_size()") Link: https://lore.kernel.org/r/20220212050532.179055-1-yi.zhang@huawei.com Signed-off-by: Zhang Yi <yi.zhang@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-04-08 14:40:18 +02:00
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acl.c
acl.h
balloc.c	ext2: fix sleeping in atomic bugs on error	2021-10-09 14:40:56 +02:00
dir.c	ext2: ext2_find_entry() return -ENOENT if no entry found	2020-07-09 08:14:00 +02:00
ext2.h	ext2: ext2.h: fix duplicated word + typos	2020-07-27 10:58:06 +02:00
file.c	ext2: don't update mtime on COW faults	2020-09-05 10:00:05 -07:00
ialloc.c	ext2: fix missing percpu_counter_inc	2020-07-09 08:14:01 +02:00
inode.c	ext2: remove duplicate include	2020-08-28 12:28:31 +02:00
ioctl.c
Kconfig
Makefile
namei.c	ext2: ext2_find_entry() return -ENOENT if no entry found	2020-07-09 08:14:00 +02:00
super.c	ext2: correct max file size computing	2022-04-08 14:40:18 +02:00
symlink.c
xattr_security.c
xattr_trusted.c
xattr_user.c
xattr.c	ext2: initialize quota info in ext2_xattr_set()	2020-07-09 08:14:01 +02:00
xattr.h