int
fs_fgetattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi)
{
struct inode *ino = (struct inode *)fi->fh;
memset(stbuf, 0, sizeof(*stbuf));
inode_stat(ino, stbuf);
return 0;
}
/**
* Get metadata about file f.
*/
int
file_stat(struct file *f, struct file_stat *st)
{
if(f->type == FD_INODE){
inode_lock(f->ip);
inode_stat(f->ip, st);
inode_unlock(f->ip);
return 0;
}
return -1;
}
int
fs_getattr(const char *path, struct stat *stbuf)
{
struct inode *ino;
struct fuse_context *context;
uint32_t i, nblocks, *pdiskbno;
int r;
if ((r = inode_open(path, &ino)) < 0)
return r;
memset(stbuf, 0, sizeof(*stbuf));
inode_stat(ino, stbuf);
return 0;
}
int file_fstat(FAR struct file *filep, FAR struct stat *buf)
{
FAR struct inode *inode;
int ret;
DEBUGASSERT(filep != NULL);
/* Get the inode from the file structure */
inode = filep->f_inode;
DEBUGASSERT(inode != NULL);
/* The way we handle the stat depends on the type of inode that we
* are dealing with.
*/
#ifndef CONFIG_DISABLE_MOUNTPOINT
if (INODE_IS_MOUNTPT(inode))
{
/* The inode is a file system mountpoint. Verify that the mountpoint
* supports the fstat() method
*/
ret = -ENOSYS;
if (inode->u.i_mops && inode->u.i_mops->fstat)
{
/* Perform the fstat() operation */
ret = inode->u.i_mops->fstat(filep, buf);
}
}
else
#endif
{
/* The inode is part of the root pseudo file system. */
ret = inode_stat(inode, buf);
}
return ret;
}
int stat(FAR const char *path, FAR struct stat *buf)
{
FAR struct inode *inode;
const char *relpath = NULL;
int ret = OK;
/* Sanity checks */
if (!path || !buf) {
ret = EFAULT;
goto errout;
}
if (!path[0]) {
ret = ENOENT;
goto errout;
}
/* Check for the fake root directory (which has no inode) */
if (strcmp(path, "/") == 0) {
return statroot(buf);
}
/* Get an inode for this file */
inode = inode_find(path, &relpath);
if (!inode) {
/* This name does not refer to a psudeo-inode and there is no
* mountpoint that includes in this path.
*/
ret = ENOENT;
goto errout;
}
/* The way we handle the stat depends on the type of inode that we
* are dealing with.
*/
#ifndef CONFIG_DISABLE_MOUNTPOINT
if (INODE_IS_MOUNTPT(inode)) {
/* The node is a file system mointpoint. Verify that the mountpoint
* supports the stat() method
*/
if (inode->u.i_mops && inode->u.i_mops->stat) {
/* Perform the stat() operation */
ret = inode->u.i_mops->stat(inode, relpath, buf);
}
} else
#endif
{
/* The node is part of the root pseudo file system */
ret = inode_stat(inode, buf);
}
/* Check if the stat operation was successful */
if (ret < 0) {
ret = -ret;
goto errout_with_inode;
}
/* Successfully stat'ed the file */
inode_release(inode);
return OK;
/* Failure conditions always set the errno appropriately */
errout_with_inode:
inode_release(inode);
errout:
set_errno(ret);
return ERROR;
}
