OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> writes: > Christoph Hellwig <hch@xxxxxxxxxxxxx> writes: > >> Add a new rw_semaphore to protect bmap against truncate. Previous >> i_alloc_sem was abused for this, but it's going away in this series. > > In FAT case, ->i_mutex was better. But, last time I saw, shmfs was using > ->i_mutex to call ->bmap. So, this was chosen instead. > > I'm not checking current version yet though, if shmfs had change, we can > use ->i_mutex. It was swapfile. And unfortunately it doesn't have change. > BTW, this patch looks good to me. -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
