"Darrick J. Wong" <darrick.wong@xxxxxxxxxx> writes: >> + err = __generic_file_fsync(filp, start, end, datasync); >> + if (err) >> + return err; >> >> - res = generic_file_fsync(filp, start, end, datasync); >> err = sync_mapping_buffers(MSDOS_SB(inode->i_sb)->fat_inode->i_mapping); > > Huh. I would've thought that flushing the FAT would also be required > at the end of a WB_SYNC_ALL (aka data integrity) writepages call? In fatfs implement, FAT area is flushed by sync_mapping_buffers(fat_inode). (FAT buffer is dirtied only by using bh->b_assoc_map to fat_inode) Thanks. -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
