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ubi: Replace erase_block() with sync_erase()

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Since erase_block() has same logic with sync_erase(), just replace it
with sync_erase(), also rename 'sync_erase()' to 'ubi_sync_erase()'.

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Zhihao Cheng 2023-08-28 14:38:37 +08:00 committed by Richard Weinberger
parent a033ab4fec
commit c19286d70a
3 changed files with 7 additions and 51 deletions
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48
drivers/mtd/ubi/fastmap.c
View File

@ -1389,50 +1389,6 @@ out:
return ret;
}
/**
* erase_block - Manually erase a PEB.
* @ubi: UBI device object
* @e: the physical eraseblock to erase
*
* This function returns zero in case of success and a negative error code in
* case of failure.
*/
static int erase_block(struct ubi_device *ubi, struct ubi_wl_entry *e)
{
int err;
struct ubi_ec_hdr *ec_hdr;
long long ec = e->ec;
ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_NOFS);
if (!ec_hdr)
return -ENOMEM;
err = ubi_io_sync_erase(ubi, e->pnum, 0);
if (err < 0)
goto out;
ec += err;
if (ec > UBI_MAX_ERASECOUNTER) {
err = -EINVAL;
goto out;
}
ec_hdr->ec = cpu_to_be64(ec);
err = ubi_io_write_ec_hdr(ubi, e->pnum, ec_hdr);
if (err < 0)
goto out;
e->ec = ec;
spin_lock(&ubi->wl_lock);
if (e->ec > ubi->max_ec)
ubi->max_ec = e->ec;
spin_unlock(&ubi->wl_lock);
out:
kfree(ec_hdr);
return err;
}
/**
* invalidate_fastmap - destroys a fastmap.
* @ubi: UBI device object
@ -1573,7 +1529,7 @@ int ubi_update_fastmap(struct ubi_device *ubi)
if (!tmp_e) {
if (old_fm && old_fm->e[i]) {
ret = erase_block(ubi, old_fm->e[i]);
ret = ubi_sync_erase(ubi, old_fm->e[i], 0);
if (ret < 0) {
ubi_err(ubi, "could not erase old fastmap PEB");
@ -1625,7 +1581,7 @@ int ubi_update_fastmap(struct ubi_device *ubi)
if (old_fm) {
/* no fresh anchor PEB was found, reuse the old one */
if (!tmp_e) {
ret = erase_block(ubi, old_fm->e[0]);
ret = ubi_sync_erase(ubi, old_fm->e[0], 0);
if (ret < 0) {
ubi_err(ubi, "could not erase old anchor PEB");

1
drivers/mtd/ubi/ubi.h
View File

@ -902,6 +902,7 @@ int self_check_eba(struct ubi_device *ubi, struct ubi_attach_info *ai_fastmap,
struct ubi_attach_info *ai_scan);
/* wl.c */
int ubi_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, int torture);
int ubi_wl_get_peb(struct ubi_device *ubi);
int ubi_wl_put_peb(struct ubi_device *ubi, int vol_id, int lnum,
int pnum, int torture);

9
drivers/mtd/ubi/wl.c
View File

@ -427,7 +427,7 @@ static int prot_queue_del(struct ubi_device *ubi, int pnum)
}
/**
* sync_erase - synchronously erase a physical eraseblock.
* ubi_sync_erase - synchronously erase a physical eraseblock.
* @ubi: UBI device description object
* @e: the physical eraseblock to erase
* @torture: if the physical eraseblock has to be tortured
@ -435,8 +435,7 @@ static int prot_queue_del(struct ubi_device *ubi, int pnum)
* This function returns zero in case of success and a negative error code in
* case of failure.
*/
static int sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
int torture)
int ubi_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, int torture)
{
int err;
struct ubi_ec_hdr *ec_hdr;
@ -1094,7 +1093,7 @@ static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk)
dbg_wl("erase PEB %d EC %d LEB %d:%d",
pnum, e->ec, wl_wrk->vol_id, wl_wrk->lnum);
err = sync_erase(ubi, e, wl_wrk->torture);
err = ubi_sync_erase(ubi, e, wl_wrk->torture);
if (!err) {
spin_lock(&ubi->wl_lock);
@ -1749,7 +1748,7 @@ static int erase_aeb(struct ubi_device *ubi, struct ubi_ainf_peb *aeb, bool sync
ubi->lookuptbl[e->pnum] = e;
if (sync) {
err = sync_erase(ubi, e, false);
err = ubi_sync_erase(ubi, e, false);
if (err)
goto out_free;