On 04/06/2018 03:51 PM, Jürg Billeter wrote: > Signed-off-by: Jürg Billeter <j@xxxxxxxxx> Thanks, Jürg. Patch applied. Cheers, Michael > --- > Changes since version 1: > - Explain offset handling > > man2/io_submit.2 | 13 +++++++++++++ > man2/readv.2 | 17 +++++++++++++++++ > 2 files changed, 30 insertions(+) > > diff --git a/man2/io_submit.2 b/man2/io_submit.2 > index 397fd0b75..25961138a 100644 > --- a/man2/io_submit.2 > +++ b/man2/io_submit.2 > @@ -111,6 +111,19 @@ field of the > .I io_event > structure (see > .BR io_getevents (2)). > +.TP > +.BR RWF_APPEND " (since Linux 4.16)" > +.\" commit e1fc742e14e01d84d9693c4aca4ab23da65811fb > +Append data to the end of the file. > +See the description of the flag of the same name in > +.BR pwritev2 (2) > +as well as the description of > +.B O_APPEND > +in > +.BR open (2). > +The > +.I aio_offset > +field is ignored. The file offset is not changed. > .RE > .TP > .I aio_lio_opcode > diff --git a/man2/readv.2 b/man2/readv.2 > index b3b7b9658..9ef250e11 100644 > --- a/man2/readv.2 > +++ b/man2/readv.2 > @@ -248,6 +248,23 @@ to > .BR EAGAIN . > Currently, this flag is meaningful only for > .BR preadv2 (). > +.TP > +.BR RWF_APPEND " (since Linux 4.16)" > +.\" commit e1fc742e14e01d84d9693c4aca4ab23da65811fb > +Provide a per-write equivalent of the > +.B O_APPEND > +.BR open (2) > +flag. > +This flag is meaningful only for > +.BR pwritev2 (), > +and its effect applies only to the data range written by the system call. > +The > +.I offset > +argument does not affect the write operation, the data is always appended > +to the end of the file. However, if the > +.I offset > +argument is \-1, the current file offset is updated. > +This matches the behavior when the file is opened in append mode. > .SH RETURN VALUE > On success, > .BR readv (), > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
