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tests/9p: merge v9fs_tsymlink() and do_symlink()
As with previous patches, unify those 2 functions into a single function v9fs_tsymlink() by using a declarative function arguments approach. Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com> Message-Id: <563f3ad04fe596ce0ae1e2654d1d08237f18c830.1664917004.git.qemu_oss@crudebyte.com>
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@ -892,10 +892,23 @@ void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit)
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}
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}
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/* size[4] Tsymlink tag[2] fid[4] name[s] symtgt[s] gid[4] */
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/* size[4] Tsymlink tag[2] fid[4] name[s] symtgt[s] gid[4] */
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P9Req *v9fs_tsymlink(QVirtio9P *v9p, uint32_t fid, const char *name,
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TsymlinkRes v9fs_tsymlink(TsymlinkOpt opt)
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const char *symtgt, uint32_t gid, uint16_t tag)
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{
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{
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P9Req *req;
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P9Req *req;
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uint32_t err;
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g_autofree char *name = g_strdup(opt.name);
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g_autofree char *symtgt = g_strdup(opt.symtgt);
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g_assert(opt.client);
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/* expecting either hi-level atPath or low-level fid, but not both */
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g_assert(!opt.atPath || !opt.fid);
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/* expecting either Rsymlink or Rlerror, but obviously not both */
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g_assert(!opt.expectErr || !opt.rsymlink.qid);
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if (opt.atPath) {
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opt.fid = v9fs_twalk((TWalkOpt) { .client = opt.client,
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.path = opt.atPath }).newfid;
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}
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uint32_t body_size = 4 + 4;
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uint32_t body_size = 4 + 4;
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uint16_t string_size = v9fs_string_size(name) + v9fs_string_size(symtgt);
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uint16_t string_size = v9fs_string_size(name) + v9fs_string_size(symtgt);
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@ -903,13 +916,25 @@ P9Req *v9fs_tsymlink(QVirtio9P *v9p, uint32_t fid, const char *name,
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g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
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g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
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body_size += string_size;
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body_size += string_size;
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req = v9fs_req_init(v9p, body_size, P9_TSYMLINK, tag);
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req = v9fs_req_init(opt.client, body_size, P9_TSYMLINK, opt.tag);
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v9fs_uint32_write(req, fid);
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v9fs_uint32_write(req, opt.fid);
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v9fs_string_write(req, name);
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v9fs_string_write(req, name);
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v9fs_string_write(req, symtgt);
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v9fs_string_write(req, symtgt);
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v9fs_uint32_write(req, gid);
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v9fs_uint32_write(req, opt.gid);
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v9fs_req_send(req);
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v9fs_req_send(req);
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return req;
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if (!opt.requestOnly) {
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v9fs_req_wait_for_reply(req, NULL);
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if (opt.expectErr) {
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v9fs_rlerror(req, &err);
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g_assert_cmpint(err, ==, opt.expectErr);
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} else {
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v9fs_rsymlink(req, opt.rsymlink.qid);
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}
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req = NULL; /* request was freed */
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}
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return (TsymlinkRes) { .req = req };
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}
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}
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/* size[4] Rsymlink tag[2] qid[13] */
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/* size[4] Rsymlink tag[2] qid[13] */
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@ -355,6 +355,38 @@ typedef struct TlcreateRes {
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P9Req *req;
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P9Req *req;
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} TlcreateRes;
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} TlcreateRes;
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/* options for 'Tsymlink' 9p request */
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typedef struct TsymlinkOpt {
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/* 9P client being used (mandatory) */
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QVirtio9P *client;
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/* user supplied tag number being returned with response (optional) */
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uint16_t tag;
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/* low-level variant of directory where symlink shall be created */
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uint32_t fid;
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/* high-level variant of directory where symlink shall be created */
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const char *atPath;
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/* name of symlink (required) */
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const char *name;
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/* where symlink will point to (required) */
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const char *symtgt;
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/* effective group ID of caller */
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uint32_t gid;
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/* data being received from 9p server as 'Rsymlink' response (optional) */
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struct {
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v9fs_qid *qid;
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} rsymlink;
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/* only send Tsymlink request but not wait for a reply? (optional) */
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bool requestOnly;
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/* do we expect an Rlerror response, if yes which error code? (optional) */
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uint32_t expectErr;
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} TsymlinkOpt;
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/* result of 'Tsymlink' 9p request */
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typedef struct TsymlinkRes {
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/* if requestOnly was set: request object for further processing */
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P9Req *req;
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} TsymlinkRes;
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void v9fs_set_allocator(QGuestAllocator *t_alloc);
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void v9fs_set_allocator(QGuestAllocator *t_alloc);
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void v9fs_memwrite(P9Req *req, const void *addr, size_t len);
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void v9fs_memwrite(P9Req *req, const void *addr, size_t len);
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void v9fs_memskip(P9Req *req, size_t len);
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void v9fs_memskip(P9Req *req, size_t len);
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@ -398,8 +430,7 @@ TMkdirRes v9fs_tmkdir(TMkdirOpt);
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void v9fs_rmkdir(P9Req *req, v9fs_qid *qid);
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void v9fs_rmkdir(P9Req *req, v9fs_qid *qid);
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TlcreateRes v9fs_tlcreate(TlcreateOpt);
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TlcreateRes v9fs_tlcreate(TlcreateOpt);
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void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit);
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void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit);
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P9Req *v9fs_tsymlink(QVirtio9P *v9p, uint32_t fid, const char *name,
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TsymlinkRes v9fs_tsymlink(TsymlinkOpt);
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const char *symtgt, uint32_t gid, uint16_t tag);
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void v9fs_rsymlink(P9Req *req, v9fs_qid *qid);
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void v9fs_rsymlink(P9Req *req, v9fs_qid *qid);
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P9Req *v9fs_tlink(QVirtio9P *v9p, uint32_t dfid, uint32_t fid,
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P9Req *v9fs_tlink(QVirtio9P *v9p, uint32_t dfid, uint32_t fid,
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const char *name, uint16_t tag);
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const char *name, uint16_t tag);
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@ -26,6 +26,7 @@
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#define tflush(...) v9fs_tflush((TFlushOpt) __VA_ARGS__)
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#define tflush(...) v9fs_tflush((TFlushOpt) __VA_ARGS__)
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#define tmkdir(...) v9fs_tmkdir((TMkdirOpt) __VA_ARGS__)
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#define tmkdir(...) v9fs_tmkdir((TMkdirOpt) __VA_ARGS__)
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#define tlcreate(...) v9fs_tlcreate((TlcreateOpt) __VA_ARGS__)
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#define tlcreate(...) v9fs_tlcreate((TlcreateOpt) __VA_ARGS__)
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#define tsymlink(...) v9fs_tsymlink((TsymlinkOpt) __VA_ARGS__)
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static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
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static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
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{
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{
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@ -479,22 +480,6 @@ static void fs_flush_ignored(void *obj, void *data, QGuestAllocator *t_alloc)
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g_free(wnames[0]);
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g_free(wnames[0]);
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}
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}
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/* create symlink named @a clink in directory @a path pointing to @a to */
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static void do_symlink(QVirtio9P *v9p, const char *path, const char *clink,
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const char *to)
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{
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g_autofree char *name = g_strdup(clink);
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g_autofree char *dst = g_strdup(to);
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uint32_t fid;
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P9Req *req;
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fid = twalk({ .client = v9p, .path = path }).newfid;
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req = v9fs_tsymlink(v9p, fid, name, dst, 0, 0);
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v9fs_req_wait_for_reply(req, NULL);
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v9fs_rsymlink(req, NULL);
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}
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/* create a hard link named @a clink in directory @a path pointing to @a to */
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/* create a hard link named @a clink in directory @a path pointing to @a to */
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static void do_hardlink(QVirtio9P *v9p, const char *path, const char *clink,
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static void do_hardlink(QVirtio9P *v9p, const char *path, const char *clink,
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const char *to)
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const char *to)
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@ -642,7 +627,10 @@ static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_alloc)
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g_assert(stat(real_file, &st) == 0);
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g_assert(stat(real_file, &st) == 0);
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g_assert((st.st_mode & S_IFMT) == S_IFREG);
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g_assert((st.st_mode & S_IFMT) == S_IFREG);
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do_symlink(v9p, "05", "symlink_file", "real_file");
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tsymlink({
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.client = v9p, .atPath = "05", .name = "symlink_file",
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.symtgt = "real_file"
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});
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/* check if created link exists now */
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/* check if created link exists now */
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g_assert(stat(symlink_file, &st) == 0);
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g_assert(stat(symlink_file, &st) == 0);
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@ -663,7 +651,10 @@ static void fs_unlinkat_symlink(void *obj, void *data,
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g_assert(stat(real_file, &st) == 0);
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g_assert(stat(real_file, &st) == 0);
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g_assert((st.st_mode & S_IFMT) == S_IFREG);
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g_assert((st.st_mode & S_IFMT) == S_IFREG);
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do_symlink(v9p, "06", "symlink_file", "real_file");
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tsymlink({
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.client = v9p, .atPath = "06", .name = "symlink_file",
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.symtgt = "real_file"
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});
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g_assert(stat(symlink_file, &st) == 0);
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g_assert(stat(symlink_file, &st) == 0);
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do_unlinkat(v9p, "06", "symlink_file", 0);
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do_unlinkat(v9p, "06", "symlink_file", 0);
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