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Merge branch 'master' of git://git.denx.de/u-boot-ubi

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This commit is contained in:
Tom Rini 2018-05-29 11:01:43 -04:00
commit add7aa9f97
1 changed files with 29 additions and 0 deletions
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29
drivers/mtd/ubi/fastmap-wl.c
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@ -169,6 +169,30 @@ void ubi_refill_pools(struct ubi_device *ubi)
spin_unlock(&ubi->wl_lock); spin_unlock(&ubi->wl_lock);
} }
/**
* produce_free_peb - produce a free physical eraseblock.
* @ubi: UBI device description object
*
* This function tries to make a free PEB by means of synchronous execution of
* pending works. This may be needed if, for example the background thread is
* disabled. Returns zero in case of success and a negative error code in case
* of failure.
*/
static int produce_free_peb(struct ubi_device *ubi)
{
int err;
while (!ubi->free.rb_node && ubi->works_count) {
dbg_wl("do one work synchronously");
err = do_work(ubi);
if (err)
return err;
}
return 0;
}
/** /**
* ubi_wl_get_peb - get a physical eraseblock. * ubi_wl_get_peb - get a physical eraseblock.
* @ubi: UBI device description object * @ubi: UBI device description object
@ -211,6 +235,11 @@ again:
} }
retried = 1; retried = 1;
up_read(&ubi->fm_eba_sem); up_read(&ubi->fm_eba_sem);
ret = produce_free_peb(ubi);
if (ret < 0) {
down_read(&ubi->fm_eba_sem);
goto out;
}
goto again; goto again;
} }