Message ID | 1334752535-4970-1-git-send-email-kwolf@redhat.com |
---|---|
State | New |
Headers | show |
Il 18/04/2012 14:35, Kevin Wolf ha scritto: > To be used as in 'qemu-io -t writeback test.img' > > Signed-off-by: Kevin Wolf <kwolf@redhat.com> > --- > qemu-io.c | 10 +++++++++- > 1 files changed, 9 insertions(+), 1 deletions(-) > > diff --git a/qemu-io.c b/qemu-io.c > index e6fcd77..3095a22 100644 > --- a/qemu-io.c > +++ b/qemu-io.c > @@ -1784,6 +1784,7 @@ static void usage(const char *name) > " -g, --growable allow file to grow (only applies to protocols)\n" > " -m, --misalign misalign allocations for O_DIRECT\n" > " -k, --native-aio use kernel AIO implementation (on Linux only)\n" > +" -t, --cache=MODE use the given cache mode for the image\n" > " -T, --trace FILE enable trace events listed in the given file\n" > " -h, --help display this help and exit\n" > " -V, --version output version information and exit\n" > @@ -1796,7 +1797,7 @@ int main(int argc, char **argv) > { > int readonly = 0; > int growable = 0; > - const char *sopt = "hVc:rsnmgkT:"; > + const char *sopt = "hVc:rsnmgkt:T:"; > const struct option lopt[] = { > { "help", 0, NULL, 'h' }, > { "version", 0, NULL, 'V' }, > @@ -1808,6 +1809,7 @@ int main(int argc, char **argv) > { "misalign", 0, NULL, 'm' }, > { "growable", 0, NULL, 'g' }, > { "native-aio", 0, NULL, 'k' }, > + { "cache", 1, NULL, 't' }, > { "trace", 1, NULL, 'T' }, > { NULL, 0, NULL, 0 } > }; > @@ -1840,6 +1842,12 @@ int main(int argc, char **argv) > case 'k': > flags |= BDRV_O_NATIVE_AIO; > break; > + case 't': > + if (bdrv_parse_cache_flags(optarg, &flags) < 0) { > + error_report("Invalid cache option: %s", optarg); > + exit(1); > + } > + break; > case 'T': > if (!trace_backend_init(optarg, NULL)) { > exit(1); /* error message will have been printed */ Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/qemu-io.c b/qemu-io.c index e6fcd77..3095a22 100644 --- a/qemu-io.c +++ b/qemu-io.c @@ -1784,6 +1784,7 @@ static void usage(const char *name) " -g, --growable allow file to grow (only applies to protocols)\n" " -m, --misalign misalign allocations for O_DIRECT\n" " -k, --native-aio use kernel AIO implementation (on Linux only)\n" +" -t, --cache=MODE use the given cache mode for the image\n" " -T, --trace FILE enable trace events listed in the given file\n" " -h, --help display this help and exit\n" " -V, --version output version information and exit\n" @@ -1796,7 +1797,7 @@ int main(int argc, char **argv) { int readonly = 0; int growable = 0; - const char *sopt = "hVc:rsnmgkT:"; + const char *sopt = "hVc:rsnmgkt:T:"; const struct option lopt[] = { { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'V' }, @@ -1808,6 +1809,7 @@ int main(int argc, char **argv) { "misalign", 0, NULL, 'm' }, { "growable", 0, NULL, 'g' }, { "native-aio", 0, NULL, 'k' }, + { "cache", 1, NULL, 't' }, { "trace", 1, NULL, 'T' }, { NULL, 0, NULL, 0 } }; @@ -1840,6 +1842,12 @@ int main(int argc, char **argv) case 'k': flags |= BDRV_O_NATIVE_AIO; break; + case 't': + if (bdrv_parse_cache_flags(optarg, &flags) < 0) { + error_report("Invalid cache option: %s", optarg); + exit(1); + } + break; case 'T': if (!trace_backend_init(optarg, NULL)) { exit(1); /* error message will have been printed */
To be used as in 'qemu-io -t writeback test.img' Signed-off-by: Kevin Wolf <kwolf@redhat.com> --- qemu-io.c | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-)