Commit 0921835c authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: fix to avoid call kvfree under spinlock 



vfree() don't wish to be called from interrupt context, move it
out of spin_lock_irqsave() coverage.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 280fd422

fs/f2fs/f2fs.h

+4 −1
Original line number Diff line number Diff line
@@ -1640,6 +1640,7 @@ static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) 
static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)

{

	unsigned long flags;

	unsigned char *nat_bits;



	/*

	 * In order to re-enable nat_bits we need to call fsck.f2fs by
@@ -1650,10 +1651,12 @@ static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) 
	if (lock)

		spin_lock_irqsave(&sbi->cp_lock, flags);

	__clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);

	kvfree(NM_I(sbi)->nat_bits);

	nat_bits = NM_I(sbi)->nat_bits;

	NM_I(sbi)->nat_bits = NULL;

	if (lock)

		spin_unlock_irqrestore(&sbi->cp_lock, flags);



	kvfree(nat_bits);

}



static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,