This patch allows to choose at the command line level which thread pool
implementation will be used by every block device.
Signed-off-by: Matthias Brugger matthias@gmail.com
---
blockdev.c | 13 +
qemu-options.hx | 2 +-
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/blockdev.c b/blockdev.c
index b260477..a16cc9a 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -387,6 +387,15 @@ static DriveInfo *blockdev_init(QDict *bs_opts,
}
}
#endif
+buf = qemu_opt_get(opts, workerthreads);
+if (buf != NULL) {
+if (!strcmp(buf, pool)) {
+/* this is the default */
+} else {
+error_report(invalid workerthreads option);
+return NULL;
+}
+}
if ((buf = qemu_opt_get(opts, format)) != NULL) {
if (is_help_option(buf)) {
@@ -2269,6 +2278,10 @@ QemuOptsList qemu_common_drive_opts = {
.type = QEMU_OPT_STRING,
.help = disk serial number,
},{
+.name = workerthreads,
+.type = QEMU_OPT_STRING,
+.help = type of worker threads (pool),
+},{
.name = rerror,
.type = QEMU_OPT_STRING,
.help = read error action,
diff --git a/qemu-options.hx b/qemu-options.hx
index 5dc8b75..6f22242 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -408,7 +408,7 @@ DEF(drive, HAS_ARG, QEMU_OPTION_drive,
[,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n
[,cache=writethrough|writeback|none|directsync|unsafe][,format=f]\n
[,serial=s][,addr=A][,id=name][,aio=threads|native]\n
- [,readonly=on|off][,copy-on-read=on|off]\n
+ [,workerthreads=pool][,readonly=on|off][,copy-on-read=on|off]\n
[[,bps=b]|[[,bps_rd=r][,bps_wr=w]]]\n
[[,iops=i]|[[,iops_rd=r][,iops_wr=w]]]\n
[[,bps_max=bm]|[[,bps_rd_max=rm][,bps_wr_max=wm]]]\n
--
1.8.1.2
