int spufs_coredump_extra_notes_write(struct file *file, loff_t *foffset)
{
struct spu_context *ctx;
int fd, j, rc;
fd = 0;
while ((ctx = coredump_next_context(&fd)) != NULL) {
rc = spu_acquire_saved(ctx);
if (rc)
return rc;
for (j = 0; spufs_coredump_read[j].name != NULL; j++) {
rc = spufs_arch_write_note(ctx, j, file, fd, foffset);
if (rc) {
spu_release_saved(ctx);
return rc;
}
}
spu_release_saved(ctx);
/* start searching the next fd next time */
fd++;
}
return 0;
}
/* give up the mm reference when the context is about to be destroyed */
void spu_forget(struct spu_context *ctx)
{
struct mm_struct *mm;
spu_acquire_saved(ctx);
mm = ctx->owner;
ctx->owner = NULL;
mmput(mm);
spu_release(ctx);
}
int spufs_coredump_extra_notes_size(void)
{
struct spu_context *ctx;
int size = 0, rc, fd;
fd = 0;
while ((ctx = coredump_next_context(&fd)) != NULL) {
rc = spu_acquire_saved(ctx);
if (rc)
break;
rc = spufs_ctx_note_size(ctx, fd);
spu_release_saved(ctx);
if (rc < 0)
break;
size += rc;
}
return size;
}
