diff options
| author | Richard Weinberger <richard@nod.at> | 2014-10-06 14:47:51 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2015-03-26 22:17:47 +0100 |
| commit | c4ca6be9d67eaf5a53054903530c8f422b4b88bd (patch) | |
| tree | 70f4e66f64464cc208ac09bc19c4906db3072b77 /drivers/mtd | |
| parent | UBI: Fastmap: Make ubi_refill_pools() fair (diff) | |
| download | linux-c4ca6be9d67eaf5a53054903530c8f422b4b88bd.tar.xz linux-c4ca6be9d67eaf5a53054903530c8f422b4b88bd.zip | |
UBI: Fastmap: Don't allocate new ubi_wl_entry objects
There is no need to allocate new ones every time, we can reuse
the existing ones.
This makes the code cleaner and more easy to follow.
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Tanya Brokhman <tlinder@codeaurora.org>
Reviewed-by: Guido MartÃnez <guido@vanguardiasur.com.ar>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/ubi/fastmap.c | 31 | ||||
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 3 |
2 files changed, 5 insertions, 29 deletions
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index db3defdfc3c0..95077026ad53 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -1446,19 +1446,6 @@ int ubi_update_fastmap(struct ubi_device *ubi) } new_fm->used_blocks = ubi->fm_size / ubi->leb_size; - - for (i = 0; i < new_fm->used_blocks; i++) { - new_fm->e[i] = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL); - if (!new_fm->e[i]) { - while (i--) - kfree(new_fm->e[i]); - - kfree(new_fm); - mutex_unlock(&ubi->fm_mutex); - return -ENOMEM; - } - } - old_fm = ubi->fm; ubi->fm = NULL; @@ -1494,12 +1481,9 @@ int ubi_update_fastmap(struct ubi_device *ubi) ubi_err(ubi, "could not erase old fastmap PEB"); goto err; } - - new_fm->e[i]->pnum = old_fm->e[i]->pnum; - new_fm->e[i]->ec = old_fm->e[i]->ec; + new_fm->e[i] = old_fm->e[i]; } else { - new_fm->e[i]->pnum = tmp_e->pnum; - new_fm->e[i]->ec = tmp_e->ec; + new_fm->e[i] = tmp_e; if (old_fm) ubi_wl_put_fm_peb(ubi, old_fm->e[i], i, @@ -1524,16 +1508,13 @@ int ubi_update_fastmap(struct ubi_device *ubi) i, 0); goto err; } - - new_fm->e[0]->pnum = old_fm->e[0]->pnum; + new_fm->e[0] = old_fm->e[0]; new_fm->e[0]->ec = ret; } else { /* we've got a new anchor PEB, return the old one */ ubi_wl_put_fm_peb(ubi, old_fm->e[0], 0, old_fm->to_be_tortured[0]); - - new_fm->e[0]->pnum = tmp_e->pnum; - new_fm->e[0]->ec = tmp_e->ec; + new_fm->e[0] = tmp_e; } } else { if (!tmp_e) { @@ -1546,9 +1527,7 @@ int ubi_update_fastmap(struct ubi_device *ubi) ret = -ENOSPC; goto err; } - - new_fm->e[0]->pnum = tmp_e->pnum; - new_fm->e[0]->ec = tmp_e->ec; + new_fm->e[0] = tmp_e; } down_write(&ubi->work_sem); diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 227ca641f700..34a8ec44cc59 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1011,9 +1011,6 @@ int ubi_wl_put_fm_peb(struct ubi_device *ubi, struct ubi_wl_entry *fm_e, e = fm_e; ubi_assert(e->ec >= 0); ubi->lookuptbl[pnum] = e; - } else { - e->ec = fm_e->ec; - kfree(fm_e); } spin_unlock(&ubi->wl_lock); |