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hostfs:add get_path

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To perform kvdb related type testing in the simulator, ioctl support is required to obtain relpath

Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
This commit is contained in:
chenrun1 2024-01-02 11:51:15 +08:00 committed by Xiang Xiao
parent e9ac1a2317
commit 6e9a43c504
2 changed files with 17 additions and 4 deletions
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14
fs/hostfs/hostfs.c
View File

@ -43,6 +43,7 @@
#include <nuttx/fs/ioctl.h>
#include <nuttx/fs/hostfs.h>
#include "inode/inode.h"
#include "hostfs.h"
/****************************************************************************
@ -269,7 +270,7 @@ static int hostfs_open(FAR struct file *filep, FAR const char *relpath,
/* Allocate memory for the open file */
hf = kmm_malloc(sizeof *hf);
hf = kmm_malloc(sizeof(*hf) + strlen(relpath));
if (hf == NULL)
{
ret = -ENOMEM;
@ -321,6 +322,7 @@ static int hostfs_open(FAR struct file *filep, FAR const char *relpath,
hf->fnext = fs->fs_head;
hf->crefs = 1;
hf->oflags = oflags;
strcpy(hf->relpath, relpath);
fs->fs_head = hf;
ret = OK;
@ -603,6 +605,16 @@ static int hostfs_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
ret = host_ioctl(hf->fd, cmd, arg);
if (ret < 0 && cmd == FIOC_FILEPATH)
{
FAR char *path = (FAR char *)(uintptr_t)arg;
ret = inode_getpath(filep->f_inode, path, PATH_MAX);
if (ret >= 0)
{
strlcat(path, hf->relpath, PATH_MAX);
}
}
nxmutex_unlock(&g_lock);
return ret;
}

7
fs/hostfs/hostfs.h
View File

@ -47,10 +47,11 @@
struct hostfs_ofile_s
{
struct hostfs_ofile_s *fnext; /* Supports a singly linked list */
int16_t crefs; /* Reference count */
mode_t oflags; /* Open mode */
struct hostfs_ofile_s *fnext; /* Supports a singly linked list */
int16_t crefs; /* Reference count */
mode_t oflags; /* Open mode */
int fd;
char relpath[1];
};
/* This structure represents the overall mountpoint state. An instance of