tests/9pfs: compare QIDs in fs_walk_none() test

Extend previously added fs_walk_none() test by comparing the QID
of the root fid with the QID of the cloned fid. They should be
equal.

Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <5bbe9c6931b4600a9a23742f5ff2d38c1188237d.1647339025.git.qemu_oss@crudebyte.com>
This commit is contained in:
Christian Schoenebeck 2022-03-15 11:08:35 +01:00
parent c1668948e8
commit a6821b8284

View File

@ -371,8 +371,15 @@ static P9Req *v9fs_tattach(QVirtio9P *v9p, uint32_t fid, uint32_t n_uname,
return req;
}
/* type[1] version[4] path[8] */
typedef char v9fs_qid[13];
static inline bool is_same_qid(v9fs_qid a, v9fs_qid b)
{
/* don't compare QID version for checking for file ID equalness */
return a[0] == b[0] && memcmp(&a[5], &b[5], 8) == 0;
}
/* size[4] Rattach tag[2] qid[13] */
static void v9fs_rattach(P9Req *req, v9fs_qid *qid)
{
@ -425,6 +432,79 @@ static void v9fs_rwalk(P9Req *req, uint16_t *nwqid, v9fs_qid **wqid)
v9fs_req_free(req);
}
/* size[4] Tgetattr tag[2] fid[4] request_mask[8] */
static P9Req *v9fs_tgetattr(QVirtio9P *v9p, uint32_t fid, uint64_t request_mask,
uint16_t tag)
{
P9Req *req;
req = v9fs_req_init(v9p, 4 + 8, P9_TGETATTR, tag);
v9fs_uint32_write(req, fid);
v9fs_uint64_write(req, request_mask);
v9fs_req_send(req);
return req;
}
typedef struct v9fs_attr {
uint64_t valid;
v9fs_qid qid;
uint32_t mode;
uint32_t uid;
uint32_t gid;
uint64_t nlink;
uint64_t rdev;
uint64_t size;
uint64_t blksize;
uint64_t blocks;
uint64_t atime_sec;
uint64_t atime_nsec;
uint64_t mtime_sec;
uint64_t mtime_nsec;
uint64_t ctime_sec;
uint64_t ctime_nsec;
uint64_t btime_sec;
uint64_t btime_nsec;
uint64_t gen;
uint64_t data_version;
} v9fs_attr;
#define P9_GETATTR_BASIC 0x000007ffULL /* Mask for fields up to BLOCKS */
/*
* size[4] Rgetattr tag[2] valid[8] qid[13] mode[4] uid[4] gid[4] nlink[8]
* rdev[8] size[8] blksize[8] blocks[8]
* atime_sec[8] atime_nsec[8] mtime_sec[8] mtime_nsec[8]
* ctime_sec[8] ctime_nsec[8] btime_sec[8] btime_nsec[8]
* gen[8] data_version[8]
*/
static void v9fs_rgetattr(P9Req *req, v9fs_attr *attr)
{
v9fs_req_recv(req, P9_RGETATTR);
v9fs_uint64_read(req, &attr->valid);
v9fs_memread(req, &attr->qid, 13);
v9fs_uint32_read(req, &attr->mode);
v9fs_uint32_read(req, &attr->uid);
v9fs_uint32_read(req, &attr->gid);
v9fs_uint64_read(req, &attr->nlink);
v9fs_uint64_read(req, &attr->rdev);
v9fs_uint64_read(req, &attr->size);
v9fs_uint64_read(req, &attr->blksize);
v9fs_uint64_read(req, &attr->blocks);
v9fs_uint64_read(req, &attr->atime_sec);
v9fs_uint64_read(req, &attr->atime_nsec);
v9fs_uint64_read(req, &attr->mtime_sec);
v9fs_uint64_read(req, &attr->mtime_nsec);
v9fs_uint64_read(req, &attr->ctime_sec);
v9fs_uint64_read(req, &attr->ctime_nsec);
v9fs_uint64_read(req, &attr->btime_sec);
v9fs_uint64_read(req, &attr->btime_nsec);
v9fs_uint64_read(req, &attr->gen);
v9fs_uint64_read(req, &attr->data_version);
v9fs_req_free(req);
}
/* size[4] Treaddir tag[2] fid[4] offset[8] count[4] */
static P9Req *v9fs_treaddir(QVirtio9P *v9p, uint32_t fid, uint64_t offset,
uint32_t count, uint16_t tag)
@ -1009,6 +1089,7 @@ static void fs_walk_none(void *obj, void *data, QGuestAllocator *t_alloc)
v9fs_qid root_qid;
g_autofree v9fs_qid *wqid = NULL;
P9Req *req;
struct v9fs_attr attr;
do_version(v9p);
req = v9fs_tattach(v9p, 0, getuid(), 0);
@ -1021,6 +1102,12 @@ static void fs_walk_none(void *obj, void *data, QGuestAllocator *t_alloc)
/* special case: no QID is returned if nwname=0 was sent */
g_assert(wqid == NULL);
req = v9fs_tgetattr(v9p, 1, P9_GETATTR_BASIC, 0);
v9fs_req_wait_for_reply(req, NULL);
v9fs_rgetattr(req, &attr);
g_assert(is_same_qid(root_qid, attr.qid));
}
static void fs_walk_dotdot(void *obj, void *data, QGuestAllocator *t_alloc)