/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2011 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
+ * Copyright (C) 2002-2018 Aleph One Ltd.
*
* Created by Charles Manning <charles@aleph1.co.uk>
*
}
#if !CONFIG_YAFFS_WINCE
+ // if the the buffer is null then create one with the fields set to the current time.
if (!buf) {
local.actime = Y_CURRENT_TIME;
local.modtime = local.actime;
buf = &local;
}
+ // copy the buffer's time into the obj.
if (obj) {
int result;
obj->yst_atime = buf->actime;
obj->yst_mtime = buf->modtime;
+
+ // set the obj to dirty to cause it to be written to flash during the next flush operation.
obj->dirty = 1;
result = yaffs_flush_file(obj, 0, 0, 0);
retVal = result == YAFFS_OK ? 0 : -1;
int force, int read_only)
{
int retVal = -1;
+ int was_read_only;
if (yaffsfs_CheckMemRegion(path, 0, 0) < 0) {
yaffsfs_SetError(-EFAULT);
if (force || !yaffsfs_IsDevBusy(dev)) {
if (read_only)
yaffs_checkpoint_save(dev);
+ was_read_only = dev->read_only;
dev->read_only = read_only ? 1 : 0;
+ if (was_read_only && !read_only) {
+ yaffs_guts_cleanup(dev);
+ }
retVal = 0;
} else
yaffsfs_SetError(-EBUSY);
{
int retVal = -1;
- if (yaffsfs_CheckMemRegion(path, 0, 0) < 0) {
- yaffsfs_SetError(-EFAULT);
- return -1;
- }
- if (yaffsfs_CheckPath(path) < 0) {
- yaffsfs_SetError(-ENAMETOOLONG);
- return -1;
+ if (!dev) {
+ if (yaffsfs_CheckMemRegion(path, 0, 0) < 0) {
+ yaffsfs_SetError(-EFAULT);
+ return -1;
+ }
+
+ if (yaffsfs_CheckPath(path) < 0) {
+ yaffsfs_SetError(-ENAMETOOLONG);
+ return -1;
+ }
}
yaffsfs_Lock();