int sf_write_begin(struct file *file, struct address_space *mapping, loff_t pos,
unsigned len, unsigned flags, struct page **pagep, void **fsdata)
{
TRACE();
return simple_write_begin(file, mapping, pos, len, flags, pagep, fsdata);
}
int yramfs_file_writebegin(struct file *pfile, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
DBG_PRINT("write begin");
return simple_write_begin(pfile, mapping, pos, len, flags, pagep, fsdata);
}
static int rawfs_write_begin(struct file *filp, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
RAWFS_PRINT(RAWFS_DBG_FILE, "rawfs_write_begin: unexpected call !");
BUG();
return simple_write_begin(filp, mapping, pos, len, flags, pagep, fsdata);
}
int sjfs_aops_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) {
printk("sjfs_aops_write_begin -> simple_write_begin(\n");
if(file && &(file->f_path) != NULL && file->f_path.dentry != NULL && &(file->f_path.dentry->d_name) != NULL && file->f_path.dentry->d_name.name != NULL) {
printk("--- file.path: \"%s\");\n", file->f_path.dentry->d_name.name);
} else {
printk("--- file.path: NULL);\n");
}
if(mapping && mapping->host) {
printk("--- mapping.host: %lu\n", mapping->host->i_ino);
} else {
printk("--- mapping.host: NULL\n");
}
printk("--- pos: %lli\n", pos);
printk("--- len: %u\n", len);
printk("--- flags: %u\n", flags);
printk("--- pagep: ???)\n");
return simple_write_begin(file, mapping, pos, len, flags, pagep, fsdata);
}
