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path: root/drivers/mtd/ubi/fastmap.c
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Diffstat (limited to 'drivers/mtd/ubi/fastmap.c')
-rw-r--r--drivers/mtd/ubi/fastmap.c71
1 files changed, 43 insertions, 28 deletions
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 27a94f2..4adffb8 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -110,21 +110,23 @@ size_t ubi_calc_fm_size(struct ubi_device *ubi)
* Returns a new struct ubi_vid_hdr on success.
* NULL indicates out of memory.
*/
-static struct ubi_vid_hdr *new_fm_vhdr(struct ubi_device *ubi, int vol_id)
+static struct ubi_vid_io_buf *new_fm_vbuf(struct ubi_device *ubi, int vol_id)
{
- struct ubi_vid_hdr *new;
+ struct ubi_vid_io_buf *new;
+ struct ubi_vid_hdr *vh;
- new = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL);
+ new = ubi_alloc_vid_buf(ubi, GFP_KERNEL);
if (!new)
goto out;
- new->vol_type = UBI_VID_DYNAMIC;
- new->vol_id = cpu_to_be32(vol_id);
+ vh = ubi_get_vid_hdr(new);
+ vh->vol_type = UBI_VID_DYNAMIC;
+ vh->vol_id = cpu_to_be32(vol_id);
/* UBI implementations without fastmap support have to delete the
* fastmap.
*/
- new->compat = UBI_COMPAT_DELETE;
+ vh->compat = UBI_COMPAT_DELETE;
out:
return new;
@@ -408,6 +410,7 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
__be32 *pebs, int pool_size, unsigned long long *max_sqnum,
struct list_head *free)
{
+ struct ubi_vid_io_buf *vb;
struct ubi_vid_hdr *vh;
struct ubi_ec_hdr *ech;
struct ubi_ainf_peb *new_aeb;
@@ -417,12 +420,14 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
if (!ech)
return -ENOMEM;
- vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL);
- if (!vh) {
+ vb = ubi_alloc_vid_buf(ubi, GFP_KERNEL);
+ if (!vb) {
kfree(ech);
return -ENOMEM;
}
+ vh = ubi_get_vid_hdr(vb);
+
dbg_bld("scanning fastmap pool: size = %i", pool_size);
/*
@@ -463,7 +468,7 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
goto out;
}
- err = ubi_io_read_vid_hdr(ubi, pnum, vh, 0);
+ err = ubi_io_read_vid_hdr(ubi, pnum, vb, 0);
if (err == UBI_IO_FF || err == UBI_IO_FF_BITFLIPS) {
unsigned long long ec = be64_to_cpu(ech->ec);
unmap_peb(ai, pnum);
@@ -509,7 +514,7 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
}
out:
- ubi_free_vid_hdr(ubi, vh);
+ ubi_free_vid_buf(vb);
kfree(ech);
return ret;
}
@@ -837,6 +842,7 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
struct ubi_attach_info *scan_ai)
{
struct ubi_fm_sb *fmsb, *fmsb2;
+ struct ubi_vid_io_buf *vb;
struct ubi_vid_hdr *vh;
struct ubi_ec_hdr *ech;
struct ubi_fastmap_layout *fm;
@@ -912,12 +918,14 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
goto free_fm_sb;
}
- vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL);
- if (!vh) {
+ vb = ubi_alloc_vid_buf(ubi, GFP_KERNEL);
+ if (!vb) {
ret = -ENOMEM;
goto free_hdr;
}
+ vh = ubi_get_vid_hdr(vb);
+
for (i = 0; i < used_blocks; i++) {
int image_seq;
@@ -960,7 +968,7 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
goto free_hdr;
}
- ret = ubi_io_read_vid_hdr(ubi, pnum, vh, 0);
+ ret = ubi_io_read_vid_hdr(ubi, pnum, vb, 0);
if (ret && ret != UBI_IO_BITFLIPS) {
ubi_err(ubi, "unable to read fastmap block# %i (PEB: %i)",
i, pnum);
@@ -1050,7 +1058,7 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
ubi->fm_disabled = 0;
ubi->fast_attach = 1;
- ubi_free_vid_hdr(ubi, vh);
+ ubi_free_vid_buf(vb);
kfree(ech);
out:
up_write(&ubi->fm_protect);
@@ -1059,7 +1067,7 @@ out:
return ret;
free_hdr:
- ubi_free_vid_hdr(ubi, vh);
+ ubi_free_vid_buf(vb);
kfree(ech);
free_fm_sb:
kfree(fmsb);
@@ -1087,6 +1095,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
struct ubi_fm_eba *feba;
struct ubi_wl_entry *wl_e;
struct ubi_volume *vol;
+ struct ubi_vid_io_buf *avbuf, *dvbuf;
struct ubi_vid_hdr *avhdr, *dvhdr;
struct ubi_work *ubi_wrk;
struct rb_node *tmp_rb;
@@ -1097,18 +1106,21 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
fm_raw = ubi->fm_buf;
memset(ubi->fm_buf, 0, ubi->fm_size);
- avhdr = new_fm_vhdr(ubi, UBI_FM_SB_VOLUME_ID);
- if (!avhdr) {
+ avbuf = new_fm_vbuf(ubi, UBI_FM_SB_VOLUME_ID);
+ if (!avbuf) {
ret = -ENOMEM;
goto out;
}
- dvhdr = new_fm_vhdr(ubi, UBI_FM_DATA_VOLUME_ID);
- if (!dvhdr) {
+ dvbuf = new_fm_vbuf(ubi, UBI_FM_DATA_VOLUME_ID);
+ if (!dvbuf) {
ret = -ENOMEM;
goto out_kfree;
}
+ avhdr = ubi_get_vid_hdr(avbuf);
+ dvhdr = ubi_get_vid_hdr(dvbuf);
+
seen_pebs = init_seen(ubi);
if (IS_ERR(seen_pebs)) {
ret = PTR_ERR(seen_pebs);
@@ -1277,7 +1289,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
spin_unlock(&ubi->volumes_lock);
dbg_bld("writing fastmap SB to PEB %i", new_fm->e[0]->pnum);
- ret = ubi_io_write_vid_hdr(ubi, new_fm->e[0]->pnum, avhdr);
+ ret = ubi_io_write_vid_hdr(ubi, new_fm->e[0]->pnum, avbuf);
if (ret) {
ubi_err(ubi, "unable to write vid_hdr to fastmap SB!");
goto out_kfree;
@@ -1298,7 +1310,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
dvhdr->lnum = cpu_to_be32(i);
dbg_bld("writing fastmap data to PEB %i sqnum %llu",
new_fm->e[i]->pnum, be64_to_cpu(dvhdr->sqnum));
- ret = ubi_io_write_vid_hdr(ubi, new_fm->e[i]->pnum, dvhdr);
+ ret = ubi_io_write_vid_hdr(ubi, new_fm->e[i]->pnum, dvbuf);
if (ret) {
ubi_err(ubi, "unable to write vid_hdr to PEB %i!",
new_fm->e[i]->pnum);
@@ -1323,8 +1335,8 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
dbg_bld("fastmap written!");
out_kfree:
- ubi_free_vid_hdr(ubi, avhdr);
- ubi_free_vid_hdr(ubi, dvhdr);
+ ubi_free_vid_buf(avbuf);
+ ubi_free_vid_buf(dvbuf);
free_seen(seen_pebs);
out:
return ret;
@@ -1394,7 +1406,8 @@ static int invalidate_fastmap(struct ubi_device *ubi)
int ret;
struct ubi_fastmap_layout *fm;
struct ubi_wl_entry *e;
- struct ubi_vid_hdr *vh = NULL;
+ struct ubi_vid_io_buf *vb = NULL;
+ struct ubi_vid_hdr *vh;
if (!ubi->fm)
return 0;
@@ -1406,10 +1419,12 @@ static int invalidate_fastmap(struct ubi_device *ubi)
if (!fm)
goto out;
- vh = new_fm_vhdr(ubi, UBI_FM_SB_VOLUME_ID);
- if (!vh)
+ vb = new_fm_vbuf(ubi, UBI_FM_SB_VOLUME_ID);
+ if (!vb)
goto out_free_fm;
+ vh = ubi_get_vid_hdr(vb);
+
ret = -ENOSPC;
e = ubi_wl_get_fm_peb(ubi, 1);
if (!e)
@@ -1420,7 +1435,7 @@ static int invalidate_fastmap(struct ubi_device *ubi)
* to scanning mode.
*/
vh->sqnum = cpu_to_be64(ubi_next_sqnum(ubi));
- ret = ubi_io_write_vid_hdr(ubi, e->pnum, vh);
+ ret = ubi_io_write_vid_hdr(ubi, e->pnum, vb);
if (ret < 0) {
ubi_wl_put_fm_peb(ubi, e, 0, 0);
goto out_free_fm;
@@ -1432,7 +1447,7 @@ static int invalidate_fastmap(struct ubi_device *ubi)
ubi->fm = fm;
out:
- ubi_free_vid_hdr(ubi, vh);
+ ubi_free_vid_buf(vb);
return ret;
out_free_fm:
generated by cgit v0.10.2 at 2024-10-03 21:39:22 (GMT)