> > - fsync_bdev(bdev); > > - invalidate_bdev(bdev); > > + flush_buffer_cache(bdev); > > + if (BLKFLSBUF2 == cmd) > > + return invalidate_inode_pages2( > > + bdev->bd_inode->i_mapping); > > return 0; > > We're currently ignoring the buffer cache sync and invalidation (which is odd), > but at least being consistent would be good. > > Might also need a filemap_write_and_wait() to sync before invalidation. (I've got zero knowledge in this area, so excuse my ignorance!) Does filemap_write_and_wait() writes back modified, memory-mapped pages? If so, isn't there a race condition? Or have I got it completely wrong? -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
