Document flag introduced in Linux v6.9 Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx> --- man/man2/readv.2 | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/man/man2/readv.2 b/man/man2/readv.2 index 78232c19f..836612bbe 100644 --- a/man/man2/readv.2 +++ b/man/man2/readv.2 @@ -238,6 +238,26 @@ However, if the .I offset argument is \-1, the current file offset is updated. .TP +.BR RWF_NOAPPEND " (since Linux 6.9)" +The +.BR pwritev2 () +system call does not honor the +.B O_APPEND +.BR open (2) +flag. +Historically Linux honored +.B O_APPEND +flag if set and ignored the offset argument, which is a bug. +For +.BR pwritev2 (), +the +.I offset +argument is honored as expected if +.BR RWF_NOAPPEND +flag is set, the same as if +.B O_APPEND +flag were not set. +.TP .BR RWF_ATOMIC " (since Linux 6.11)" Requires that writes to regular files in block-based filesystems -- 2.31.1
