On Wed, Jun 14, 2017 at 5:50 PM, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > On 06/14/17 11:53, Olga Kornievskaia wrote: >> This is a proposal to allow 64bit count to copy and return as >> a result of a copy_file_range. No attempt was made to share code >> with the 32bit function because 32bit interface should probably >> get depreciated. > > deprecated. > >> >> Why use 64bit? Current uses of 32bit are by clone_file_range() >> which could use 64bit count and NFS copy_file_range also supports >> 64bit count value. >> >> Also with this proposal off-the-bet allow the userland to copy > > what does "off-the-bet" mean? from the beginning. > >> between different mount points. >> >> Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx> >> --- >> arch/x86/entry/syscalls/syscall_32.tbl | 1 + >> arch/x86/entry/syscalls/syscall_64.tbl | 1 + >> fs/read_write.c | 146 +++++++++++++++++++++++++++++++-- >> include/linux/fs.h | 4 + >> include/linux/syscalls.h | 3 + >> include/uapi/asm-generic/unistd.h | 4 +- >> kernel/sys_ni.c | 1 + >> 7 files changed, 154 insertions(+), 6 deletions(-) > > > -- > ~Randy > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html
