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Code Issues Releases Wiki Activity

🐛 修复了无法正确地往文件写入数据的bug

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This commit is contained in:
fslongjin
2022-05-03 15:12:02 +08:00
parent 9db1c3f74e
commit f99179014a
6 changed files with 83 additions and 49 deletions
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5
kernel/driver/disk/ahci/ahci.c
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@ -312,6 +312,7 @@ static bool ahci_read(HBA_PORT *port, uint32_t startl, uint32_t starth, uint32_t
static bool ahci_write(HBA_PORT *port, uint32_t startl, uint32_t starth, uint32_t count,
uint64_t buf)
{
kdebug("ahci write");
port->is = 0xffff; // Clear pending interrupt bits
int slot = ahci_find_cmdslot(port);
if (slot == -1)
@ -361,7 +362,7 @@ static bool ahci_write(HBA_PORT *port, uint32_t startl, uint32_t starth, uint32_
port->ci = 1; // Issue command
current_pcb->flags |= PROC_NEED_SCHED;
sched_cfs();
//sched_cfs();
int retval = AHCI_SUCCESS;
while (1)
@ -382,7 +383,7 @@ static bool ahci_write(HBA_PORT *port, uint32_t startl, uint32_t starth, uint32_
kerror("Write disk error");
retval = E_TASK_FILE_ERROR;
}
kdebug("ahci write retval=%d", retval);
enter_syscall_int(SYS_AHCI_END_REQ, 0, 0, 0, 0, 0, 0, 0, 0);
return retval;
}