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blob: 1b877a4cca10f9881e2922991a04507e6958364e [file] [log] [blame]
/****************************************************************************
* fs/v9fs/v9fs.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <debug.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <libgen.h>
#include <string.h>
#include <nuttx/fs/fs.h>
#include <nuttx/fs/ioctl.h>
#include <nuttx/kmalloc.h>
#include "inode/inode.h"
#include "client.h"
#include "fs_heap.h"
/****************************************************************************
* Private Type
****************************************************************************/
struct v9fs_vfs_file_s
{
uint32_t fid;
mutex_t lock;
};
struct v9fs_vfs_dirent_s
{
struct fs_dirent_s base;
uint32_t fid;
mutex_t lock;
off_t offset;
off_t head;
size_t size;
uint8_t buffer[1];
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int v9fs_vfs_open(FAR struct file *filep, FAR const char *relpath,
int oflags, mode_t mode);
static int v9fs_vfs_close(FAR struct file *filep);
static ssize_t v9fs_vfs_read(FAR struct file *filep, FAR char *buffer,
size_t buflen);
static ssize_t v9fs_vfs_write(FAR struct file *filep,
FAR const char *buffer, size_t buflen);
static off_t v9fs_vfs_seek(FAR struct file *filep, off_t offset,
int whence);
static int v9fs_vfs_ioctl(FAR struct file *filep, int cmd,
unsigned long arg);
static int v9fs_vfs_sync(FAR struct file *filep);
static int v9fs_vfs_dup(FAR const struct file *oldp, FAR struct file *newp);
static int v9fs_vfs_fstat(FAR const struct file *filep,
FAR struct stat *buf);
static int v9fs_vfs_fchstat(FAR const struct file *filep,
FAR const struct stat *buf, int flags);
static int v9fs_vfs_truncate(FAR struct file *filep, off_t length);
static int v9fs_vfs_opendir(FAR struct inode *mountpt,
FAR const char *relpath,
FAR struct fs_dirent_s **dir);
static int v9fs_vfs_closedir(FAR struct inode *mountpt,
FAR struct fs_dirent_s *dir);
static int v9fs_vfs_readdir(FAR struct inode *mountpt,
FAR struct fs_dirent_s *dir,
FAR struct dirent *entry);
static int v9fs_vfs_rewinddir(FAR struct inode *mountpt,
FAR struct fs_dirent_s *dir);
static int v9fs_vfs_statfs(FAR struct inode *mountpt,
FAR struct statfs *buf);
static int v9fs_vfs_unlink(FAR struct inode *mountpt,
FAR const char *relpath);
static int v9fs_vfs_mkdir(FAR struct inode *mountpt,
FAR const char *relpath, mode_t mode);
static int v9fs_vfs_rmdir(FAR struct inode *mountpt,
FAR const char *relpath);
static int v9fs_vfs_rename(FAR struct inode *mountpt,
FAR const char *oldrelpath,
FAR const char *newrelpath);
static int v9fs_vfs_stat(FAR struct inode *mountpt,
FAR const char *relpath, FAR struct stat *buf);
static int v9fs_vfs_chstat(FAR struct inode *mountpt,
FAR const char *relpath,
FAR const struct stat *buf, int flags);
static int v9fs_vfs_bind(FAR struct inode *driver, FAR const void *data,
FAR void **handle);
static int v9fs_vfs_unbind(FAR void *handle, FAR struct inode **blkdriver,
unsigned int flags);
/****************************************************************************
* Public Data
****************************************************************************/
const struct mountpt_operations g_v9fs_operations =
{
v9fs_vfs_open, /* open */
v9fs_vfs_close, /* close */
v9fs_vfs_read, /* read */
v9fs_vfs_write, /* write */
v9fs_vfs_seek, /* seek */
v9fs_vfs_ioctl, /* ioctl */
NULL, /* mmap */
v9fs_vfs_truncate, /* truncate */
NULL, /* poll */
NULL, /* readv */
NULL, /* writev */
v9fs_vfs_sync, /* sync */
v9fs_vfs_dup, /* dup */
v9fs_vfs_fstat, /* fstat */
v9fs_vfs_fchstat, /* fchstat */
v9fs_vfs_opendir, /* opendir */
v9fs_vfs_closedir, /* closedir */
v9fs_vfs_readdir, /* readdir */
v9fs_vfs_rewinddir, /* rewinddir */
v9fs_vfs_bind, /* bind */
v9fs_vfs_unbind, /* unbind */
v9fs_vfs_statfs, /* statfs */
v9fs_vfs_unlink, /* unlink */
v9fs_vfs_mkdir, /* mkdir */
v9fs_vfs_rmdir, /* rmdir */
v9fs_vfs_rename, /* rename */
v9fs_vfs_stat, /* stat */
v9fs_vfs_chstat /* chstat */
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: v9fs_vfs_open
****************************************************************************/
static int v9fs_vfs_open(FAR struct file *filep, FAR const char *relpath,
int oflags, mode_t mode)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
int ret;
/* Sanity checks */
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = filep->f_inode->i_private;
file = fs_heap_zalloc(sizeof(struct v9fs_vfs_file_s));
if (file == NULL)
{
return -ENOMEM;
}
ret = v9fs_client_walk(client, relpath, NULL);
if (ret >= 0)
{
file->fid = ret;
ret = v9fs_client_open(client, file->fid, oflags);
if (ret < 0)
{
ferr("ERROR: Failed to open the fid: %d\n", ret);
goto err_put;
}
}
else if ((oflags & O_CREAT) != 0)
{
/* We expect to create this file */
ret = v9fs_client_walk(client, relpath, &relpath);
if (ret < 0)
{
ferr("ERROR: Can't find the parent fid of relpath: %d\n", ret);
goto err_free;
}
file->fid = ret;
ret = v9fs_client_create(client, file->fid, relpath, oflags, mode);
if (ret < 0)
{
ferr("ERROR: Failed to create the file: %d\n", ret);
goto err_put;
}
}
else
{
/* We expect to open this file */
ferr("ERROR: Can't find the fid of relpath: %d\n", ret);
ret = -ENOENT;
goto err_free;
}
if ((oflags & O_APPEND) != 0)
{
filep->f_pos = v9fs_client_getsize(client, file->fid);
if (filep->f_pos < 0)
{
ret = filep->f_pos;
ferr("ERROR: Failed to get the file status: %d\n", ret);
goto err_put;
}
}
nxmutex_init(&file->lock);
filep->f_priv = file;
return 0;
err_put:
v9fs_fid_put(client, file->fid);
err_free:
fs_heap_free(file);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_close
****************************************************************************/
static int v9fs_vfs_close(FAR struct file *filep)
{
FAR struct v9fs_client_s *client;
FAR struct v9fs_vfs_file_s *file;
/* Sanity checks */
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = filep->f_inode->i_private;
file = filep->f_priv;
v9fs_fid_put(client, file->fid);
nxmutex_destroy(&file->lock);
fs_heap_free(file);
return 0;
}
/****************************************************************************
* Name: v9fs_vfs_read
****************************************************************************/
static ssize_t v9fs_vfs_read(FAR struct file *filep, FAR char *buffer,
size_t buflen)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
ssize_t ret;
/* Sanity checks */
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = filep->f_inode->i_private;
file = filep->f_priv;
nxmutex_lock(&file->lock);
ret = v9fs_client_read(client, file->fid, buffer, filep->f_pos, buflen);
if (ret > 0)
{
filep->f_pos += ret;
}
nxmutex_unlock(&file->lock);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_write
****************************************************************************/
static ssize_t v9fs_vfs_write(FAR struct file *filep, FAR const char *buffer,
size_t buflen)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
ssize_t ret;
/* Sanity checks */
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = filep->f_inode->i_private;
file = filep->f_priv;
nxmutex_lock(&file->lock);
ret = v9fs_client_write(client, file->fid, buffer, filep->f_pos, buflen);
if (ret > 0)
{
filep->f_pos += ret;
}
nxmutex_unlock(&file->lock);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_seek
****************************************************************************/
static off_t v9fs_vfs_seek(FAR struct file *filep, off_t offset, int whence)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
off_t ret;
/* Sanity checks */
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = filep->f_inode->i_private;
file = filep->f_priv;
nxmutex_lock(&file->lock);
switch (whence)
{
case SEEK_SET:
ret = offset;
break;
case SEEK_CUR:
ret = filep->f_pos + offset;
break;
case SEEK_END:
ret = v9fs_client_getsize(client, file->fid);
if (ret >= 0)
{
ret += offset;
}
break;
default:
ferr("ERROR: Invalid whence: %d\n", whence);
ret = -EINVAL;
break;
}
if (ret >= 0)
{
filep->f_pos = ret;
}
nxmutex_unlock(&file->lock);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_ioctl
****************************************************************************/
static int v9fs_vfs_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
int ret = -ENOTTY;
client = filep->f_inode->i_private;
file = filep->f_priv;
if (cmd == FIOC_FILEPATH)
{
FAR char *ptr = (FAR char *)((uintptr_t)arg);
inode_getpath(filep->f_inode, ptr, PATH_MAX);
ret = v9fs_client_getname(client, file->fid, ptr);
}
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_sync
****************************************************************************/
static int v9fs_vfs_sync(FAR struct file *filep)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
client = filep->f_inode->i_private;
file = filep->f_priv;
return v9fs_client_fsync(client, file->fid);
}
/****************************************************************************
* Name: v9fs_vfs_dup
****************************************************************************/
static int v9fs_vfs_dup(FAR const struct file *oldp, FAR struct file *newp)
{
FAR struct v9fs_vfs_file_s *newfile;
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
int ret;
/* Sanity checks */
DEBUGASSERT(oldp != NULL && oldp->f_inode != NULL &&
newp != NULL && newp->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = oldp->f_inode->i_private;
file = oldp->f_priv;
newfile = fs_heap_zalloc(sizeof(struct v9fs_vfs_file_s));
if (newfile == NULL)
{
return -ENOMEM;
}
ret = v9fs_fid_get(client, file->fid);
if (ret < 0)
{
fs_heap_free(newfile);
return ret;
}
nxmutex_init(&newfile->lock);
newfile->fid = file->fid;
newp->f_priv = newfile;
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_fstat
****************************************************************************/
static int v9fs_vfs_fstat(FAR const struct file *filep,
FAR struct stat *buf)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
/* Sanity checks */
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = filep->f_inode->i_private;
file = filep->f_priv;
memset(buf, 0, sizeof(struct stat));
return v9fs_client_stat(client, file->fid, buf);
}
/****************************************************************************
* Name: v9fs_vfs_fchstat
****************************************************************************/
static int v9fs_vfs_fchstat(FAR const struct file *filep,
FAR const struct stat *buf, int flags)
{
FAR struct v9fs_vfs_file_s *file;
FAR struct v9fs_client_s *client;
/* Sanity checks */
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
/* Recover out private data from the struct file instance */
client = filep->f_inode->i_private;
file = filep->f_priv;
return v9fs_client_chstat(client, file->fid, buf, flags);
}
/****************************************************************************
* Name: v9fs_vfs_truncate
****************************************************************************/
static int v9fs_vfs_truncate(FAR struct file *filep, off_t length)
{
struct stat buf;
buf.st_size = length;
return v9fs_vfs_fchstat(filep, &buf, CH_STAT_SIZE);
}
/****************************************************************************
* Name: v9fs_vfs_opendir
****************************************************************************/
static int v9fs_vfs_opendir(FAR struct inode *mountpt,
FAR const char *relpath,
FAR struct fs_dirent_s **dir)
{
FAR struct v9fs_vfs_dirent_s *fsdir;
FAR struct v9fs_client_s *client;
uint32_t fid;
int ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
fsdir = fs_heap_zalloc(sizeof(struct v9fs_vfs_dirent_s) + client->msize);
if (fsdir == NULL)
{
return -ENOMEM;
}
ret = v9fs_client_walk(client, relpath, NULL);
if (ret < 0)
{
ferr("ERROR: Can't find the fid of the relpath: %d\n", ret);
goto err;
}
fid = ret;
ret = v9fs_client_open(client, fid, 0);
if (ret < 0)
{
ferr("ERROR: Failed to open the fid: %d\n", ret);
v9fs_fid_put(client, fid);
goto err;
}
nxmutex_init(&fsdir->lock);
fsdir->fid = fid;
*dir = &fsdir->base;
return 0;
err:
fs_heap_free(fsdir);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_closedir
****************************************************************************/
static int v9fs_vfs_closedir(FAR struct inode *mountpt,
FAR struct fs_dirent_s *dir)
{
FAR struct v9fs_vfs_dirent_s *fsdir;
FAR struct v9fs_client_s *client;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
fsdir = (FAR struct v9fs_vfs_dirent_s *)dir;
client = mountpt->i_private;
v9fs_fid_put(client, fsdir->fid);
nxmutex_destroy(&fsdir->lock);
fs_heap_free(fsdir);
return 0;
}
/****************************************************************************
* Name: v9fs_readdir
****************************************************************************/
static int v9fs_vfs_readdir(FAR struct inode *mountpt,
FAR struct fs_dirent_s *dir,
FAR struct dirent *entry)
{
FAR struct v9fs_vfs_dirent_s *fsdir;
FAR struct v9fs_client_s *client;
ssize_t ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
fsdir = (FAR struct v9fs_vfs_dirent_s *)dir;
client = mountpt->i_private;
nxmutex_lock(&fsdir->lock);
for (; ; )
{
if (fsdir->head == fsdir->size)
{
ret = v9fs_client_readdir(client, fsdir->fid, fsdir->buffer,
fsdir->offset, client->msize);
if (ret < 0)
{
break;
}
fsdir->head = 0;
fsdir->size = ret;
}
ret = v9fs_client_convertdir(fsdir->buffer, fsdir->size, fsdir->head,
&fsdir->offset, entry);
if (ret < 0)
{
break;
}
fsdir->head += ret;
if (strcmp(entry->d_name, ".") != 0 &&
strcmp(entry->d_name, "..") != 0)
{
break;
}
}
nxmutex_unlock(&fsdir->lock);
return ret < 0 ? ret : 0;
}
/****************************************************************************
* Name: v9fs_vfs_rewinddir
****************************************************************************/
static int v9fs_vfs_rewinddir(FAR struct inode *mountpt,
FAR struct fs_dirent_s *dir)
{
FAR struct v9fs_vfs_dirent_s *fsdir;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
fsdir = (FAR struct v9fs_vfs_dirent_s *)dir;
nxmutex_lock(&fsdir->lock);
fsdir->head = 0;
fsdir->offset = 0;
fsdir->size = 0;
nxmutex_unlock(&fsdir->lock);
return 0;
}
/****************************************************************************
* Name: v9fs_vfs_statfs
****************************************************************************/
static int v9fs_vfs_statfs(FAR struct inode *mountpt,
FAR struct statfs *buf)
{
FAR struct v9fs_client_s *client;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
memset(buf, 0, sizeof(struct statfs));
return v9fs_client_statfs(client, buf);
}
/****************************************************************************
* Name: v9fs_vfs_unlink
****************************************************************************/
static int v9fs_vfs_unlink(FAR struct inode *mountpt,
FAR const char *relpath)
{
FAR struct v9fs_client_s *client;
FAR const char *filename;
uint32_t fid;
int ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
ret = v9fs_client_walk(client, relpath, &filename);
if (ret < 0)
{
ferr("ERROR: Can't find the parent fid of relpath: %d\n", ret);
return ret;
}
fid = ret;
ret = v9fs_client_unlink(client, fid, filename, false);
v9fs_fid_put(client, fid);
if (ret == -EOPNOTSUPP)
{
/* Maybe the server does not support this method of deletion.
* Let's change the protocol to send
*/
ret = v9fs_client_walk(client, relpath, NULL);
if (ret < 0)
{
ferr("ERROR: Can't find the fid of relpath: %d\n", ret);
return ret;
}
fid = ret;
ret = v9fs_client_remove(client, fid);
v9fs_fid_put(client, fid);
}
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_mkdir
****************************************************************************/
static int v9fs_vfs_mkdir(FAR struct inode *mountpt,
FAR const char *relpath, mode_t mode)
{
FAR struct v9fs_client_s *client;
uint32_t fid;
int ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
ret = v9fs_client_walk(client, relpath, &relpath);
if (ret < 0)
{
ferr("ERROR: Can't find the parent fid of relpath: %d\n", ret);
return ret;
}
fid = ret;
ret = v9fs_client_mkdir(client, fid, relpath, mode);
v9fs_fid_put(client, fid);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_rmdir
****************************************************************************/
static int v9fs_vfs_rmdir(FAR struct inode *mountpt,
FAR const char *relpath)
{
FAR struct v9fs_client_s *client;
FAR const char *dirname;
uint32_t fid;
int ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
ret = v9fs_client_walk(client, relpath, &dirname);
if (ret < 0)
{
ferr("ERROR: Can't find the parent fid of relpath: %d\n", ret);
return ret;
}
fid = ret;
ret = v9fs_client_unlink(client, fid, dirname, true);
v9fs_fid_put(client, fid);
if (ret == -EOPNOTSUPP)
{
/* Maybe the server does not support this method of deletion.
* Let's change the protocol to send
*/
ret = v9fs_client_walk(client, relpath, NULL);
if (ret < 0)
{
ferr("ERROR: Can't find the fid of relpath: %d\n", ret);
return ret;
}
fid = ret;
ret = v9fs_client_remove(client, fid);
v9fs_fid_put(client, fid);
}
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_rename
****************************************************************************/
static int v9fs_vfs_rename(FAR struct inode *mountpt,
FAR const char *oldrelpath,
FAR const char *newrelpath)
{
FAR struct v9fs_client_s *client;
uint32_t oldfid;
uint32_t newpfid;
int ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
ret = v9fs_client_walk(client, oldrelpath, NULL);
if (ret < 0)
{
ferr("ERROR: Can't find the fid of the oldrelpath: %d\n", ret);
return ret;
}
oldfid = ret;
ret = v9fs_client_walk(client, newrelpath, &newrelpath);
if (ret < 0)
{
ferr("ERROR: Can't find the new parent fid of the newrelpath: %d\n",
ret);
v9fs_fid_put(client, oldfid);
return ret;
}
newpfid = ret;
ret = v9fs_client_rename(client, oldfid, newpfid, newrelpath);
v9fs_fid_put(client, oldfid);
v9fs_fid_put(client, newpfid);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_stat
****************************************************************************/
static int v9fs_vfs_stat(FAR struct inode *mountpt, FAR const char *relpath,
FAR struct stat *buf)
{
FAR struct v9fs_client_s *client;
uint32_t fid;
int ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
memset(buf, 0, sizeof(struct stat));
ret = v9fs_client_walk(client, relpath, NULL);
if (ret < 0)
{
ferr("ERROR: Can't find the fid of the relpath: %d\n", ret);
return ret;
}
fid = ret;
ret = v9fs_client_stat(client, fid, buf);
v9fs_fid_put(client, fid);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_chstat
****************************************************************************/
static int v9fs_vfs_chstat(FAR struct inode *mountpt,
FAR const char *relpath,
FAR const struct stat *buf, int flags)
{
FAR struct v9fs_client_s *client;
uint32_t fid;
int ret;
/* Sanity checks */
DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL);
/* Recover out private data from the struct file instance */
client = mountpt->i_private;
ret = v9fs_client_walk(client, relpath, NULL);
if (ret < 0)
{
ferr("ERROR: Can't find the fid of the relpath %d\n", ret);
return ret;
}
fid = ret;
ret = v9fs_client_chstat(client, fid, buf, flags);
v9fs_fid_put(client, fid);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_unbind
****************************************************************************/
static int v9fs_vfs_unbind(FAR void *handle, FAR struct inode **blkdriver,
unsigned int flags)
{
FAR struct v9fs_client_s *client;
int ret;
client = handle;
ret = v9fs_client_uninit(client);
if (ret < 0)
{
ferr("ERROR: Failed to clunk root fid\n");
return ret;
}
fs_heap_free(client);
return ret;
}
/****************************************************************************
* Name: v9fs_vfs_bind
****************************************************************************/
static int v9fs_vfs_bind(FAR struct inode *driver, FAR const void *data,
FAR void **handle)
{
FAR struct v9fs_client_s *client;
int ret;
client = fs_heap_zalloc(sizeof(struct v9fs_client_s));
if (client == NULL)
{
return -ENOMEM;
}
ret = v9fs_client_init(client, data);
if (ret < 0)
{
ferr("ERROR: Failed to initialize for client: %d\n", ret);
fs_heap_free(client);
return ret;
}
*handle = client;
return ret;
}