Hello Eryu, I have identified a change in behaviour which leads to this error. I have posted a patch which fixes this issue. Sachin Prabhu On Mon, 2017-04-10 at 12:34 +0800, Eryu Guan wrote: > Hi all, > > Starting from 4.11-rc6 kernel, I noticed new cifs/001 failure, I > tested > with a local mount linux samba server, with v2.0/2.1/3.0 cifs mounts, > and it's always reproducible. > > @@ -19,3 +19,13 @@ > XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > wrote 10240/10240 bytes at offset 0 > XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > +clone failed: No such file or directory > > git bisect pointed the "first bad" commit to > > commit 620d8745b35daaf507186c26b40c7ea02aed131e > Author: Sachin Prabhu <sprabhu@xxxxxxxxxx> > Date: Fri Feb 10 16:03:51 2017 +0530 > > Introduce cifs_copy_file_range() > > The earlier changes to copy range for cifs unintentionally > disabled the more > common form of server side copy. > > The patch introduces the file_operations helper > cifs_copy_file_range() > which is used by the syscall copy_file_range. The new file > operations > helper allows us to perform server side copies for SMB2.0 and 2.1 > servers as well as SMB 3.0+ servers which do not support the > ioctl > FSCTL_DUPLICATE_EXTENTS_TO_FILE. > > The new helper uses the ioctl FSCTL_SRV_COPYCHUNK_WRITE to > perform > server side copies. The helper is called by vfs_copy_file_range() > only > once an attempt to clone the file using the ioctl > FSCTL_DUPLICATE_EXTENTS_TO_FILE has failed. > > Signed-off-by: Sachin Prabhu <sprabhu@xxxxxxxxxx> > Reviewed-by: Pavel Shilovsky <pshilov@xxxxxxxxxxxxx> > CC: Stable <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Steve French <smfrench@xxxxxxxxx> > > Not sure if test needs to be updated, if you need more info please > let > me know. > > Thanks, > Eryu > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" > in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
