Linus Torvalds wrote: > I also really don't think this even fixes the problems you have with > FUSE/NFSD - because you'll still be reading zeroes for a truncated file. > Yes, you get the rigth counts, but you don't get the right data. ... > That's "correct" from a splice() kind of standpoint (it's essentially a > temporary mmap() with MAP_PRIVATE), but the thing is, it just sounds like > the whole "page went away" thing is a more fundamental issue. It sounds > like nfds should hold a read-lock on the file while it has any IO in > flight, or something like that. I'm thinking any kind of user-space server using splice() will not want to transmit zeros either, when another process truncates the file. E.g. Apache, Samba, etc. Does this problem affect sendfile() users? -- 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
