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readv.2: Minor fixes (part 2) to Will Manley's patch 

Mainly: I generally don't want us to be including URLs to mailing
list discussions in a manual page. Either, the issue in the
discussion is worth writing up in the manual page (so that
the reader doesn't have to look elsewhere), or the details
are less important, in which case it is sufficient to note the
existence of the bug. I think this is an example of the latter.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2021-08-08 04:34:37 +02:00
parent f09b616d07
commit 76dec7bbd4
1 changed files with 8 additions and 3 deletions
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man2/readv.2
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@ -428,12 +428,17 @@ nwritten = writev(STDOUT_FILENO, iov, 2);
.EE
.in
.SH BUGS
Linux v5.9 and v5.10 have a bug where
Linux 5.9 and 5.10 have a bug where
.BR preadv2()
with the
.BR RWF_NOWAIT
flag may return 0 even when not at end of file. See
https://lore.kernel.org\:/linux-fsdevel\:/fea8b16d-5a69-40f9-b123-e84dcd6e8f2e@www.fastmail.com\:/T\:/#u
flag may return 0 even when not at end of file.
.\" See
.\" <https://lore.kernel.org/linux-fsdevel/fea8b16d-5a69-40f9-b123-e84dcd6e8f2e@www.fastmail.com/T/#u>
.\" The bug was introduced in
.\" efa8480a831 fs: RWF_NOWAIT should imply IOCB_NOIO
.\"and fixed in
.\" 06c0444290 mm/filemap.c: generic_file_buffered_read() now uses find_get_pages_contig
.SH SEE ALSO
.BR pread (2),
.BR read (2),