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9p: rename p9_free_req() function

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In sight of the next patch to add a refcount in p9_req_t, rename
the p9_free_req() function in p9_release_req().

In the next patch the actual kfree will be moved to another function.

Link: http://lkml.kernel.org/r/20180811144254.23665-1-tomasbortoli@gmail.com
Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com>
Acked-by: Jun Piao <piaojun@huawei.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
This commit is contained in:
Tomas Bortoli 2018-08-11 16:42:53 +02:00 committed by Dominique Martinet
parent 91a76be37f
commit 43cbcbee99
1 changed files with 50 additions and 50 deletions
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100
net/9p/client.c
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@ -341,13 +341,13 @@ struct p9_req_t *p9_tag_lookup(struct p9_client *c, u16 tag)
EXPORT_SYMBOL(p9_tag_lookup); EXPORT_SYMBOL(p9_tag_lookup);
/** /**
* p9_free_req - Free a request. * p9_tag_remove - Remove a tag.
* @c: Client session. * @c: Client session.
* @r: Request to free. * @r: Request of reference.
* *
* Context: Any context. * Context: Any context.
*/ */
static void p9_free_req(struct p9_client *c, struct p9_req_t *r) static void p9_tag_remove(struct p9_client *c, struct p9_req_t *r)
{ {
unsigned long flags; unsigned long flags;
u16 tag = r->tc.tag; u16 tag = r->tc.tag;
@ -376,7 +376,7 @@ static void p9_tag_cleanup(struct p9_client *c)
rcu_read_lock(); rcu_read_lock();
idr_for_each_entry(&c->reqs, req, id) { idr_for_each_entry(&c->reqs, req, id) {
pr_info("Tag %d still in use\n", id); pr_info("Tag %d still in use\n", id);
p9_free_req(c, req); p9_tag_remove(c, req);
} }
rcu_read_unlock(); rcu_read_unlock();
} }
@ -644,7 +644,7 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq)
if (c->trans_mod->cancelled) if (c->trans_mod->cancelled)
c->trans_mod->cancelled(c, oldreq); c->trans_mod->cancelled(c, oldreq);
p9_free_req(c, req); p9_tag_remove(c, req);
return 0; return 0;
} }
@ -678,7 +678,7 @@ static struct p9_req_t *p9_client_prepare_req(struct p9_client *c,
trace_9p_client_req(c, type, req->tc.tag); trace_9p_client_req(c, type, req->tc.tag);
return req; return req;
reterr: reterr:
p9_free_req(c, req); p9_tag_remove(c, req);
return ERR_PTR(err); return ERR_PTR(err);
} }
@ -688,7 +688,7 @@ static struct p9_req_t *p9_client_prepare_req(struct p9_client *c,
* @type: type of request * @type: type of request
* @fmt: protocol format string (see protocol.c) * @fmt: protocol format string (see protocol.c)
* *
* Returns request structure (which client must free using p9_free_req) * Returns request structure (which client must free using p9_tag_remove)
*/ */
static struct p9_req_t * static struct p9_req_t *
@ -764,7 +764,7 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
if (!err) if (!err)
return req; return req;
reterr: reterr:
p9_free_req(c, req); p9_tag_remove(c, req);
return ERR_PTR(safe_errno(err)); return ERR_PTR(safe_errno(err));
} }
@ -779,7 +779,7 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
* @hdrlen: reader header size, This is the size of response protocol data * @hdrlen: reader header size, This is the size of response protocol data
* @fmt: protocol format string (see protocol.c) * @fmt: protocol format string (see protocol.c)
* *
* Returns request structure (which client must free using p9_free_req) * Returns request structure (which client must free using p9_tag_remove)
*/ */
static struct p9_req_t *p9_client_zc_rpc(struct p9_client *c, int8_t type, static struct p9_req_t *p9_client_zc_rpc(struct p9_client *c, int8_t type,
struct iov_iter *uidata, struct iov_iter *uidata,
@ -846,7 +846,7 @@ static struct p9_req_t *p9_client_zc_rpc(struct p9_client *c, int8_t type,
if (!err) if (!err)
return req; return req;
reterr: reterr:
p9_free_req(c, req); p9_tag_remove(c, req);
return ERR_PTR(safe_errno(err)); return ERR_PTR(safe_errno(err));
} }
@ -949,7 +949,7 @@ static int p9_client_version(struct p9_client *c)
error: error:
kfree(version); kfree(version);
p9_free_req(c, req); p9_tag_remove(c, req);
return err; return err;
} }
@ -1091,7 +1091,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
err = p9pdu_readf(&req->rc, clnt->proto_version, "Q", &qid); err = p9pdu_readf(&req->rc, clnt->proto_version, "Q", &qid);
if (err) { if (err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
goto error; goto error;
} }
@ -1100,7 +1100,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
memmove(&fid->qid, &qid, sizeof(struct p9_qid)); memmove(&fid->qid, &qid, sizeof(struct p9_qid));
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return fid; return fid;
error: error:
@ -1148,10 +1148,10 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname,
err = p9pdu_readf(&req->rc, clnt->proto_version, "R", &nwqids, &wqids); err = p9pdu_readf(&req->rc, clnt->proto_version, "R", &nwqids, &wqids);
if (err) { if (err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
goto clunk_fid; goto clunk_fid;
} }
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
p9_debug(P9_DEBUG_9P, "<<< RWALK nwqid %d:\n", nwqids); p9_debug(P9_DEBUG_9P, "<<< RWALK nwqid %d:\n", nwqids);
@ -1226,7 +1226,7 @@ int p9_client_open(struct p9_fid *fid, int mode)
fid->iounit = iounit; fid->iounit = iounit;
free_and_error: free_and_error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1271,7 +1271,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, const char *name, u32 flags, u32
ofid->iounit = iounit; ofid->iounit = iounit;
free_and_error: free_and_error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1316,7 +1316,7 @@ int p9_client_fcreate(struct p9_fid *fid, const char *name, u32 perm, int mode,
fid->iounit = iounit; fid->iounit = iounit;
free_and_error: free_and_error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1350,7 +1350,7 @@ int p9_client_symlink(struct p9_fid *dfid, const char *name,
qid->type, (unsigned long long)qid->path, qid->version); qid->type, (unsigned long long)qid->path, qid->version);
free_and_error: free_and_error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1370,7 +1370,7 @@ int p9_client_link(struct p9_fid *dfid, struct p9_fid *oldfid, const char *newna
return PTR_ERR(req); return PTR_ERR(req);
p9_debug(P9_DEBUG_9P, "<<< RLINK\n"); p9_debug(P9_DEBUG_9P, "<<< RLINK\n");
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return 0; return 0;
} }
EXPORT_SYMBOL(p9_client_link); EXPORT_SYMBOL(p9_client_link);
@ -1394,7 +1394,7 @@ int p9_client_fsync(struct p9_fid *fid, int datasync)
p9_debug(P9_DEBUG_9P, "<<< RFSYNC fid %d\n", fid->fid); p9_debug(P9_DEBUG_9P, "<<< RFSYNC fid %d\n", fid->fid);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
@ -1429,7 +1429,7 @@ int p9_client_clunk(struct p9_fid *fid)
p9_debug(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid); p9_debug(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
/* /*
* Fid is not valid even after a failed clunk * Fid is not valid even after a failed clunk
@ -1463,7 +1463,7 @@ int p9_client_remove(struct p9_fid *fid)
p9_debug(P9_DEBUG_9P, "<<< RREMOVE fid %d\n", fid->fid); p9_debug(P9_DEBUG_9P, "<<< RREMOVE fid %d\n", fid->fid);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
if (err == -ERESTARTSYS) if (err == -ERESTARTSYS)
p9_client_clunk(fid); p9_client_clunk(fid);
@ -1490,7 +1490,7 @@ int p9_client_unlinkat(struct p9_fid *dfid, const char *name, int flags)
} }
p9_debug(P9_DEBUG_9P, "<<< RUNLINKAT fid %d %s\n", dfid->fid, name); p9_debug(P9_DEBUG_9P, "<<< RUNLINKAT fid %d %s\n", dfid->fid, name);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1542,7 +1542,7 @@ p9_client_read(struct p9_fid *fid, u64 offset, struct iov_iter *to, int *err)
"D", &count, &dataptr); "D", &count, &dataptr);
if (*err) { if (*err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
break; break;
} }
if (rsize < count) { if (rsize < count) {
@ -1552,7 +1552,7 @@ p9_client_read(struct p9_fid *fid, u64 offset, struct iov_iter *to, int *err)
p9_debug(P9_DEBUG_9P, "<<< RREAD count %d\n", count); p9_debug(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
if (!count) { if (!count) {
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
break; break;
} }
@ -1562,7 +1562,7 @@ p9_client_read(struct p9_fid *fid, u64 offset, struct iov_iter *to, int *err)
offset += n; offset += n;
if (n != count) { if (n != count) {
*err = -EFAULT; *err = -EFAULT;
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
break; break;
} }
} else { } else {
@ -1570,7 +1570,7 @@ p9_client_read(struct p9_fid *fid, u64 offset, struct iov_iter *to, int *err)
total += count; total += count;
offset += count; offset += count;
} }
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
} }
return total; return total;
} }
@ -1614,7 +1614,7 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err)
*err = p9pdu_readf(&req->rc, clnt->proto_version, "d", &count); *err = p9pdu_readf(&req->rc, clnt->proto_version, "d", &count);
if (*err) { if (*err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
break; break;
} }
if (rsize < count) { if (rsize < count) {
@ -1624,7 +1624,7 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err)
p9_debug(P9_DEBUG_9P, "<<< RWRITE count %d\n", count); p9_debug(P9_DEBUG_9P, "<<< RWRITE count %d\n", count);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
iov_iter_advance(from, count); iov_iter_advance(from, count);
total += count; total += count;
offset += count; offset += count;
@ -1658,7 +1658,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
err = p9pdu_readf(&req->rc, clnt->proto_version, "wS", &ignored, ret); err = p9pdu_readf(&req->rc, clnt->proto_version, "wS", &ignored, ret);
if (err) { if (err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
goto error; goto error;
} }
@ -1675,7 +1675,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
from_kgid(&init_user_ns, ret->n_gid), from_kgid(&init_user_ns, ret->n_gid),
from_kuid(&init_user_ns, ret->n_muid)); from_kuid(&init_user_ns, ret->n_muid));
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return ret; return ret;
error: error:
@ -1711,7 +1711,7 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
err = p9pdu_readf(&req->rc, clnt->proto_version, "A", ret); err = p9pdu_readf(&req->rc, clnt->proto_version, "A", ret);
if (err) { if (err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
goto error; goto error;
} }
@ -1736,7 +1736,7 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
ret->st_ctime_nsec, ret->st_btime_sec, ret->st_btime_nsec, ret->st_ctime_nsec, ret->st_btime_sec, ret->st_btime_nsec,
ret->st_gen, ret->st_data_version); ret->st_gen, ret->st_data_version);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return ret; return ret;
error: error:
@ -1805,7 +1805,7 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
p9_debug(P9_DEBUG_9P, "<<< RWSTAT fid %d\n", fid->fid); p9_debug(P9_DEBUG_9P, "<<< RWSTAT fid %d\n", fid->fid);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1837,7 +1837,7 @@ int p9_client_setattr(struct p9_fid *fid, struct p9_iattr_dotl *p9attr)
goto error; goto error;
} }
p9_debug(P9_DEBUG_9P, "<<< RSETATTR fid %d\n", fid->fid); p9_debug(P9_DEBUG_9P, "<<< RSETATTR fid %d\n", fid->fid);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1865,7 +1865,7 @@ int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb)
&sb->files, &sb->ffree, &sb->fsid, &sb->namelen); &sb->files, &sb->ffree, &sb->fsid, &sb->namelen);
if (err) { if (err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
goto error; goto error;
} }
@ -1876,7 +1876,7 @@ int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb)
sb->blocks, sb->bfree, sb->bavail, sb->files, sb->ffree, sb->blocks, sb->bfree, sb->bavail, sb->files, sb->ffree,
sb->fsid, (long int)sb->namelen); sb->fsid, (long int)sb->namelen);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1904,7 +1904,7 @@ int p9_client_rename(struct p9_fid *fid,
p9_debug(P9_DEBUG_9P, "<<< RRENAME fid %d\n", fid->fid); p9_debug(P9_DEBUG_9P, "<<< RRENAME fid %d\n", fid->fid);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1934,7 +1934,7 @@ int p9_client_renameat(struct p9_fid *olddirfid, const char *old_name,
p9_debug(P9_DEBUG_9P, "<<< RRENAMEAT newdirfid %d new name %s\n", p9_debug(P9_DEBUG_9P, "<<< RRENAMEAT newdirfid %d new name %s\n",
newdirfid->fid, new_name); newdirfid->fid, new_name);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -1971,10 +1971,10 @@ struct p9_fid *p9_client_xattrwalk(struct p9_fid *file_fid,
err = p9pdu_readf(&req->rc, clnt->proto_version, "q", attr_size); err = p9pdu_readf(&req->rc, clnt->proto_version, "q", attr_size);
if (err) { if (err) {
trace_9p_protocol_dump(clnt, &req->rc); trace_9p_protocol_dump(clnt, &req->rc);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
goto clunk_fid; goto clunk_fid;
} }
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
p9_debug(P9_DEBUG_9P, "<<< RXATTRWALK fid %d size %llu\n", p9_debug(P9_DEBUG_9P, "<<< RXATTRWALK fid %d size %llu\n",
attr_fid->fid, *attr_size); attr_fid->fid, *attr_size);
return attr_fid; return attr_fid;
@ -2008,7 +2008,7 @@ int p9_client_xattrcreate(struct p9_fid *fid, const char *name,
goto error; goto error;
} }
p9_debug(P9_DEBUG_9P, "<<< RXATTRCREATE fid %d\n", fid->fid); p9_debug(P9_DEBUG_9P, "<<< RXATTRCREATE fid %d\n", fid->fid);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -2071,11 +2071,11 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset)
if (non_zc) if (non_zc)
memmove(data, dataptr, count); memmove(data, dataptr, count);
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return count; return count;
free_and_error: free_and_error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
error: error:
return err; return err;
} }
@ -2106,7 +2106,7 @@ int p9_client_mknod_dotl(struct p9_fid *fid, const char *name, int mode,
(unsigned long long)qid->path, qid->version); (unsigned long long)qid->path, qid->version);
error: error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return err; return err;
} }
@ -2137,7 +2137,7 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, const char *name, int mode,
(unsigned long long)qid->path, qid->version); (unsigned long long)qid->path, qid->version);
error: error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return err; return err;
} }
@ -2170,7 +2170,7 @@ int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status)
} }
p9_debug(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status); p9_debug(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status);
error: error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return err; return err;
} }
@ -2205,7 +2205,7 @@ int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock)
"proc_id %d client_id %s\n", glock->type, glock->start, "proc_id %d client_id %s\n", glock->type, glock->start,
glock->length, glock->proc_id, glock->client_id); glock->length, glock->proc_id, glock->client_id);
error: error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return err; return err;
} }
EXPORT_SYMBOL(p9_client_getlock_dotl); EXPORT_SYMBOL(p9_client_getlock_dotl);
@ -2231,7 +2231,7 @@ int p9_client_readlink(struct p9_fid *fid, char **target)
} }
p9_debug(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target); p9_debug(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target);
error: error:
p9_free_req(clnt, req); p9_tag_remove(clnt, req);
return err; return err;
} }
EXPORT_SYMBOL(p9_client_readlink); EXPORT_SYMBOL(p9_client_readlink);