Commit 16b48d5d66d2 ("file-posix: Add 'locking' option") added this option, but as it was not documented in the -help output it was not easily possible to tell if a particular qemu binary supports it.
Signed-off-by: Richard W.M. Jones <rjo...@redhat.com> --- qemu-options.hx | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qemu-options.hx b/qemu-options.hx index 9f6e2adfff..f8f95eb498 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -796,7 +796,7 @@ DEF("drive", HAS_ARG, QEMU_OPTION_drive, " [,cache=writethrough|writeback|none|directsync|unsafe][,format=f]\n" " [,serial=s][,addr=A][,rerror=ignore|stop|report]\n" " [,werror=ignore|stop|report|enospc][,id=name][,aio=threads|native]\n" - " [,readonly=on|off][,copy-on-read=on|off]\n" + " [,readonly=on|off][,copy-on-read=on|off][,locking=off|auto|on]\n" " [,discard=ignore|unmap][,detect-zeroes=on|off|unmap]\n" " [[,bps=b]|[[,bps_rd=r][,bps_wr=w]]]\n" " [[,iops=i]|[[,iops_rd=r][,iops_wr=w]]]\n" -- 2.13.2