9pfs: improve portability to older systems

I guess we can also make sure we don't  call local_ioc_getversion at
all.

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Aneesh Kumar K.V 2011-11-23 11:46:27 +05:30 committed by Anthony Liguori
parent 51711aee8c
commit 2507718baf

View File

@ -717,10 +717,14 @@ static int local_ioc_getversion(FsContext *ctx, V9fsPath *path,
static int local_init(FsContext *ctx)
{
int err;
int err = 0;
struct statfs stbuf;
ctx->export_flags |= V9FS_PATHNAME_FSCONTEXT;
#ifdef FS_IOC_GETVERSION
/*
* use ioc_getversion only if the iocl is definied
*/
err = statfs(ctx->fs_root, &stbuf);
if (!err) {
switch (stbuf.f_type) {
@ -732,6 +736,7 @@ static int local_init(FsContext *ctx)
break;
}
}
#endif
return err;
}