static s64 logfs_get_free_bytes(struct logfs_area *area, size_t bytes)
{
s32 ofs;
logfs_open_area(area, bytes);
ofs = area->a_used_bytes;
area->a_used_bytes += bytes;
BUG_ON(area->a_used_bytes >= logfs_super(area->a_sb)->s_segsize);
return dev_ofs(area->a_sb, area->a_segno, ofs);
}
static s64 logfs_get_free_bytes(struct logfs_area *area, size_t *bytes,
int must_pad)
{
u32 writesize = logfs_super(area->a_sb)->s_writesize;
s32 ofs;
int ret;
ret = logfs_open_area(area, *bytes);
if (ret)
return -EAGAIN;
ofs = area->a_used_bytes;
area->a_used_bytes += *bytes;
if (must_pad) {
area->a_used_bytes = ALIGN(area->a_used_bytes, writesize);
*bytes = area->a_used_bytes - ofs;
}
return dev_ofs(area->a_sb, area->a_segno, ofs);
}
