Messages in this thread Patch in this message | | | From | John Garry <> | Subject | [PATCH v2 3/3] io_submit.2: Document RWF_ATOMIC | Date | Wed, 24 Jan 2024 11:27:31 +0000 |
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Document RWF_ATOMIC for asynchronous I/O.
Signed-off-by: John Garry <john.g.garry@oracle.com> --- man2/io_submit.2 | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/man2/io_submit.2 b/man2/io_submit.2 index c53ae9aaf..fb6c4d9bc 100644 --- a/man2/io_submit.2 +++ b/man2/io_submit.2 @@ -140,6 +140,23 @@ as well the description of .B O_SYNC in .BR open (2). +.TP +.BR RWF_ATOMIC " (since Linux 6.9)" +Write a block of data such that a write will never be +torn from power fail or similar. See the description +of the flag of the same name 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
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