[PATCH] f2fs: fix condition in __allow_reserved_blocks()

From: Chao Yu
Date: Thu Jul 31 2025 - 02:03:56 EST


If reserve_root mount option is not assigned, __allow_reserved_blocks()
will return false, it's not correct, fix it.

Fixes: 7e65be49ed94 ("f2fs: add reserved blocks for root user")
Signed-off-by: Chao Yu <chao@xxxxxxxxxx>
---
fs/f2fs/f2fs.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 691af2a6c159..c40ff0c6796e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2396,8 +2396,6 @@ static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
{
if (!inode)
return true;
- if (!test_opt(sbi, RESERVE_ROOT))
- return false;
if (IS_NOQUOTA(inode))
return true;
if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid()))
@@ -2418,7 +2416,7 @@ static inline unsigned int get_available_block_count(struct f2fs_sb_info *sbi,
avail_user_block_count = sbi->user_block_count -
sbi->current_reserved_blocks;

- if (!__allow_reserved_blocks(sbi, inode, cap))
+ if (test_opt(sbi, RESERVE_ROOT) && !__allow_reserved_blocks(sbi, inode, cap))
avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;

if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
--
2.49.0