diff options
| -rw-r--r-- | fsdev/file-op-9p.h | 4 | ||||
| -rw-r--r-- | hw/9pfs/9p-synth.c | 2 | ||||
| -rw-r--r-- | hw/9pfs/9p.c | 2 |
3 files changed, 7 insertions, 1 deletions
diff --git a/fsdev/file-op-9p.h b/fsdev/file-op-9p.h index f2f7772c86..d51cec2f3b 100644 --- a/fsdev/file-op-9p.h +++ b/fsdev/file-op-9p.h @@ -64,6 +64,10 @@ typedef struct ExtendedOps { */ #define V9FS_REMAP_INODES 0x00000200 #define V9FS_FORBID_MULTIDEVS 0x00000400 +/* + * Disables certain performance warnings from being logged on host side. + */ +#define V9FS_NO_PERF_WARN 0x00000800 #define V9FS_SEC_MASK 0x0000003C diff --git a/hw/9pfs/9p-synth.c b/hw/9pfs/9p-synth.c index 7eb210ffa8..cec8c0eefc 100644 --- a/hw/9pfs/9p-synth.c +++ b/hw/9pfs/9p-synth.c @@ -541,6 +541,8 @@ static int synth_init(FsContext *ctx, Error **errp) QLIST_INIT(&synth_root.child); qemu_mutex_init(&synth_mutex); + ctx->export_flags |= V9FS_NO_PERF_WARN; + /* Add "." and ".." entries for root */ v9fs_add_dir_node(&synth_root, synth_root.attr->mode, "..", synth_root.attr, synth_root.attr->inode); diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index 99b6f24fd6..741d222c3f 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -1354,7 +1354,7 @@ static void coroutine_fn v9fs_version(void *opaque) } /* 8192 is the default msize of Linux clients */ - if (s->msize <= 8192) { + if (s->msize <= 8192 && !(s->ctx.export_flags & V9FS_NO_PERF_WARN)) { warn_report_once( "9p: degraded performance: a reasonable high msize should be " "chosen on client/guest side (chosen msize is <= 8192). See " |