yystopf/openharmony_kernel_liteos_a
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Description:vfs refactoring

Browse Source 
Feature or Bugfix:Feature
Binary Source:Huawei
PrivateCode(Yes/No):Yes

Change-Id: I175d2648bc6f9078c34de2c0a5c93fda10b86c47
ChangeID:13306388
This commit is contained in:
wangchenyang
2021-01-14 16:50:10 +08:00
committed by mamingshuai
parent eb474b86bb
commit d970750808
78 changed files with 5341 additions and 4165 deletions
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19
net/telnet/src/telnet_dev.c Executable file → Normal file
View File

@@ -47,6 +47,7 @@
#include "lwip/sockets.h"
#include "telnet_pri.h"
#include "fs/vnode.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
@@ -59,31 +60,31 @@ extern "C" {
STATIC TELNET_DEV_S g_telnetDev;
STATIC EVENT_CB_S *g_event;
STATIC struct inode *g_currentInode;
STATIC struct Vnode *g_currentVnode;
STATIC INLINE TELNET_DEV_S *GetTelnetDevByFile(const struct file *file, BOOL isOpenOp)
{
struct inode *telnetInode = NULL;
struct Vnode *telnetInode = NULL;
TELNET_DEV_S *telnetDev = NULL;
if (file == NULL) {
return NULL;
}
telnetInode = file->f_inode;
telnetInode = file->f_vnode;
if (telnetInode == NULL) {
return NULL;
}
/*
* Check if the f_inode is valid here for non-open ops (open is supposed to get invalid f_inode):
* Check if the f_vnode is valid here for non-open ops (open is supposed to get invalid f_vnode):
* when telnet is disconnected, there still may be 'TelentShellTask' tasks trying to write
* to the file, but the file has illegal f_inode because the file is used by others.
* to the file, but the file has illegal f_vnode because the file is used by others.
*/
if (!isOpenOp) {
if (telnetInode != g_currentInode) {
if (telnetInode != g_currentVnode) {
return NULL;
}
}
telnetDev = (TELNET_DEV_S *)telnetInode->i_private;
telnetDev = (TELNET_DEV_S *)((struct drv_data*)telnetInode->data)->priv;
return telnetDev;
}
@@ -165,7 +166,7 @@ STATIC INT32 TelnetOpen(struct file *file)
telnetDev->cmdFifo->fifoNum = FIFO_MAX;
LOS_ListInit(&wait->poll_queue);
}
g_currentInode = file->f_inode;
g_currentVnode = file->f_vnode;
TelnetUnlock();
return 0;
}
@@ -189,7 +190,7 @@ STATIC INT32 TelnetClose(struct file *file)
(VOID)LOS_EventDestroy(&telnetDev->eventTelnet);
g_event = NULL;
}
g_currentInode = NULL;
g_currentVnode = NULL;
TelnetUnlock();
return 0;
}