[PATCH v4 3/3] io_submit.2: Document RWF_ATOMIC
From: John Garry <john.g.garry@oracle.com>
Date: 2024-07-17 09:38:56
Also in:
linux-fsdevel
Subsystem:
the rest · Maintainer:
Linus Torvalds
Document RWF_ATOMIC for asynchronous I/O. Signed-off-by: John Garry <john.g.garry@oracle.com> --- man/man2/io_submit.2 | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/man/man2/io_submit.2 b/man/man2/io_submit.2
index c53ae9aaf..12b4a72d7 100644
--- a/man/man2/io_submit.2
+++ b/man/man2/io_submit.2@@ -140,6 +140,25 @@ as well the description of .B O_SYNC in .BR open (2). +.TP +.BR RWF_ATOMIC " (since Linux 6.11)" +Write a block of data such that a write will never be torn from power fail or +similar. +See the description of +.B RWF_ATOMIC +in +.BR pwritev2 (2). +For usage with +.BR IOCB_CMD_PWRITEV, +the upper vector limit is in +.I stx_atomic_write_segments_max. +See +.B STATX_WRITE_ATOMIC +and +.I stx_atomic_write_segments_max +description +in +.BR statx (2). .RE .TP .I aio_lio_opcode
--
2.31.1