On Mon, May 11, 2009 at 12:08:17PM -0500, Steve French wrote: > Joel, > Looking at your documentation for the new "reflink" syscall (to create > copy-on-write files): > http://git.kernel.org/?p=linux/kernel/git/jlbec/ocfs2.git;a=blob;f=Documentation/filesystems/reflink.txt;h=58a6b3879114c0cb591fb736152b30291037edd2;hb=c04db1c934e67337318b177688c0b882297fdd66 > > Have you looked at whether this is close enough to the existing (e.g. > Windows NTFS) copy-on-write syntax/feature so that we could use it > under Samba (and on the client side from cifs and in the future smb2). > Windows added copy-on-write about 9 or 10 years ago and uses it > extensively. although I have not researched enough to see what > creating these would look like over the network. I didn't know NTFS had it, I don't know the syntax and behavior, and I wonder where Windows uses it (I haven't encountered it on Windows machines, but perhaps it is hidden). Do you have a pointer to any non-encumbered documentation about the feature? Joel -- "If the human brain were so simple we could understand it, we would be so simple that we could not." - W. A. Clouston Joel Becker Principal Software Developer Oracle E-mail: joel.becker@xxxxxxxxxx Phone: (650) 506-8127 -- 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
