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-rw-r--r--hw/9pfs/cofile.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c
index cc62846..69fad36 100644
--- a/hw/9pfs/cofile.c
+++ b/hw/9pfs/cofile.c
@@ -17,14 +17,14 @@
#include "qemu-coroutine.h"
#include "virtio-9p-coth.h"
-int v9fs_co_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf)
+int v9fs_co_lstat(V9fsState *s, V9fsPath *path, struct stat *stbuf)
{
int err;
qemu_co_rwlock_rdlock(&s->rename_lock);
v9fs_co_run_in_worker(
{
- err = s->ops->lstat(&s->ctx, path->data, stbuf);
+ err = s->ops->lstat(&s->ctx, path, stbuf);
if (err < 0) {
err = -errno;
}
@@ -54,7 +54,7 @@ int v9fs_co_open(V9fsState *s, V9fsFidState *fidp, int flags)
qemu_co_rwlock_rdlock(&s->rename_lock);
v9fs_co_run_in_worker(
{
- fidp->fs.fd = s->ops->open(&s->ctx, fidp->path.data, flags);
+ fidp->fs.fd = s->ops->open(&s->ctx, &fidp->path, flags);
if (fidp->fs.fd == -1) {
err = -errno;
} else {
@@ -76,33 +76,40 @@ int v9fs_co_open2(V9fsState *s, V9fsFidState *fidp, V9fsString *name, gid_t gid,
{
int err;
FsCred cred;
- V9fsString fullname;
+ V9fsPath path;
+
cred_init(&cred);
cred.fc_mode = mode & 07777;
cred.fc_uid = fidp->uid;
cred.fc_gid = gid;
- v9fs_string_init(&fullname);
/*
* Hold the directory fid lock so that directory path name
* don't change. Read lock is fine because this fid cannot
* be used by any other operation.
*/
qemu_co_rwlock_rdlock(&s->rename_lock);
- v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name->data);
v9fs_co_run_in_worker(
{
- fidp->fs.fd = s->ops->open2(&s->ctx, fullname.data, flags, &cred);
+ fidp->fs.fd = s->ops->open2(&s->ctx, &fidp->path,
+ name->data, flags, &cred);
if (fidp->fs.fd == -1) {
err = -errno;
} else {
- err = s->ops->lstat(&s->ctx, fullname.data, stbuf);
- if (err < 0) {
- err = -errno;
- err = s->ops->close(&s->ctx, fidp->fs.fd);
+ v9fs_path_init(&path);
+ err = v9fs_name_to_path(s, &fidp->path, name->data, &path);
+ if (!err) {
+ err = s->ops->lstat(&s->ctx, &path, stbuf);
+ if (err < 0) {
+ err = -errno;
+ s->ops->close(&s->ctx, fidp->fs.fd);
+ } else {
+ v9fs_path_copy(&fidp->path, &path);
+ }
} else {
- v9fs_string_copy(&fidp->path, &fullname);
+ s->ops->close(&s->ctx, fidp->fs.fd);
}
+ v9fs_path_free(&path);
}
});
qemu_co_rwlock_unlock(&s->rename_lock);
@@ -112,7 +119,6 @@ int v9fs_co_open2(V9fsState *s, V9fsFidState *fidp, V9fsString *name, gid_t gid,
v9fs_reclaim_fd(s);
}
}
- v9fs_string_free(&fullname);
return err;
}
@@ -149,14 +155,16 @@ int v9fs_co_fsync(V9fsState *s, V9fsFidState *fidp, int datasync)
return err;
}
-int v9fs_co_link(V9fsState *s, V9fsString *oldpath, V9fsString *newpath)
+int v9fs_co_link(V9fsState *s, V9fsFidState *oldfid,
+ V9fsFidState *newdirfid, V9fsString *name)
{
int err;
qemu_co_rwlock_rdlock(&s->rename_lock);
v9fs_co_run_in_worker(
{
- err = s->ops->link(&s->ctx, oldpath->data, newpath->data);
+ err = s->ops->link(&s->ctx, &oldfid->path,
+ &newdirfid->path, name->data);
if (err < 0) {
err = -errno;
}
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