return 0;
}
-
+static bool f2fs_force_buffered_io(struct inode *inode, int rw)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+ if (!fscrypt_dio_supported(inode))
+ return true;
+ if (fsverity_active(inode))
+ return true;
+ if (f2fs_compressed_file(inode))
+ return true;
+
+ /* disallow direct IO if any of devices has unaligned blksize */
+ if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize)
+ return true;
++ /*
++ * for blkzoned device, fallback direct IO to buffered IO, so
++ * all IOs can be serialized by log-structured write.
++ */
++ if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE))
++ return true;
+ if (f2fs_lfs_mode(sbi) && rw == WRITE && F2FS_IO_ALIGNED(sbi))
+ return true;
+ if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
+ return true;
+
+ return false;
+}
+
int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path,
struct kstat *stat, u32 request_mask, unsigned int query_flags)
{