Theodore Tso wrote: > 1) If someone other than the owner of a file uses reflink to "make a > copy" of the file, is it new inode, with the new inode number, owned > by the original owner (making it look more like a link), or owned by > the person creating the reflink (making it look more like a copy). > > 2) Does changing the metadata --- atime, user/group ownership, ctime, > etc., break the COW link and cause a copy? > > (2) could be a per-filesystem implementation detail, but (1) goes to > the semantics of the how the reflink() system call will work, so I > think we need to have a common answer which is the same across all > filesystems. I agree on both. user/group ownership seems to raise the most questions. Can we settle the hopefully simpler question of ctime, atime, mode changes? -- Jamie -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
