* This sub-system is responsible for scanning the flash media, checking UBI
* headers and providing complete information about the UBI flash image.
*
- * The scanning information is represented by a &struct ubi_scan_info' object.
- * Information about found volumes is represented by &struct ubi_scan_volume
+ * The scanning information is represented by a &struct ubi_attach_info' object.
+ * Information about found volumes is represented by &struct ubi_ainf_volume
* objects which are kept in volume RB-tree with root at the @volumes field.
* The RB-tree is indexed by the volume ID.
*
- * Scanned logical eraseblocks are represented by &struct ubi_scan_leb objects.
+ * Scanned logical eraseblocks are represented by &struct ubi_ainf_peb objects.
* These objects are kept in per-volume RB-trees with the root at the
- * corresponding &struct ubi_scan_volume object. To put it differently, we keep
+ * corresponding &struct ubi_ainf_volume object. To put it differently, we keep
* an RB-tree of per-volume objects and each of these objects is the root of
* RB-tree of per-eraseblock objects.
*
#include <linux/random.h>
#include "ubi.h"
-#ifdef CONFIG_MTD_UBI_DEBUG
-static int paranoid_check_si(struct ubi_device *ubi, struct ubi_scan_info *si);
-#else
-#define paranoid_check_si(ubi, si) 0
-#endif
+static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si);
/* Temporary variables used during scanning */
static struct ubi_ec_hdr *ech;
* returns zero in case of success and a negative error code in case of
* failure.
*/
-static int add_to_list(struct ubi_scan_info *si, int pnum, int ec, int to_head,
- struct list_head *list)
+static int add_to_list(struct ubi_attach_info *si, int pnum, int ec,
+ int to_head, struct list_head *list)
{
- struct ubi_scan_leb *seb;
+ struct ubi_ainf_peb *aeb;
if (list == &si->free) {
dbg_bld("add to free: PEB %d, EC %d", pnum, ec);
} else
BUG();
- seb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL);
- if (!seb)
+ aeb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL);
+ if (!aeb)
return -ENOMEM;
- seb->pnum = pnum;
- seb->ec = ec;
+ aeb->pnum = pnum;
+ aeb->ec = ec;
if (to_head)
- list_add(&seb->u.list, list);
+ list_add(&aeb->u.list, list);
else
- list_add_tail(&seb->u.list, list);
+ list_add_tail(&aeb->u.list, list);
return 0;
}
* The corruption was presumably not caused by a power cut. Returns zero in
* case of success and a negative error code in case of failure.
*/
-static int add_corrupted(struct ubi_scan_info *si, int pnum, int ec)
+static int add_corrupted(struct ubi_attach_info *si, int pnum, int ec)
{
- struct ubi_scan_leb *seb;
+ struct ubi_ainf_peb *aeb;
dbg_bld("add to corrupted: PEB %d, EC %d", pnum, ec);
- seb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL);
- if (!seb)
+ aeb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL);
+ if (!aeb)
return -ENOMEM;
si->corr_peb_count += 1;
- seb->pnum = pnum;
- seb->ec = ec;
- list_add(&seb->u.list, &si->corr);
+ aeb->pnum = pnum;
+ aeb->ec = ec;
+ list_add(&aeb->u.list, &si->corr);
return 0;
}
* headers of the same volume.
*/
static int validate_vid_hdr(const struct ubi_vid_hdr *vid_hdr,
- const struct ubi_scan_volume *sv, int pnum)
+ const struct ubi_ainf_volume *sv, int pnum)
{
int vol_type = vid_hdr->vol_type;
int vol_id = be32_to_cpu(vid_hdr->vol_id);
*/
if (vol_id != sv->vol_id) {
- dbg_err("inconsistent vol_id");
+ ubi_err("inconsistent vol_id");
goto bad;
}
sv_vol_type = UBI_VID_DYNAMIC;
if (vol_type != sv_vol_type) {
- dbg_err("inconsistent vol_type");
+ ubi_err("inconsistent vol_type");
goto bad;
}
if (used_ebs != sv->used_ebs) {
- dbg_err("inconsistent used_ebs");
+ ubi_err("inconsistent used_ebs");
goto bad;
}
if (data_pad != sv->data_pad) {
- dbg_err("inconsistent data_pad");
+ ubi_err("inconsistent data_pad");
goto bad;
}
}
bad:
ubi_err("inconsistent VID header at PEB %d", pnum);
- ubi_dbg_dump_vid_hdr(vid_hdr);
- ubi_dbg_dump_sv(sv);
+ ubi_dump_vid_hdr(vid_hdr);
+ ubi_dump_sv(sv);
return -EINVAL;
}
* to the scanning volume object in case of success and a negative error code
* in case of failure.
*/
-static struct ubi_scan_volume *add_volume(struct ubi_scan_info *si, int vol_id,
- int pnum,
+static struct ubi_ainf_volume *add_volume(struct ubi_attach_info *si,
+ int vol_id, int pnum,
const struct ubi_vid_hdr *vid_hdr)
{
- struct ubi_scan_volume *sv;
+ struct ubi_ainf_volume *sv;
struct rb_node **p = &si->volumes.rb_node, *parent = NULL;
ubi_assert(vol_id == be32_to_cpu(vid_hdr->vol_id));
/* Walk the volume RB-tree to look if this volume is already present */
while (*p) {
parent = *p;
- sv = rb_entry(parent, struct ubi_scan_volume, rb);
+ sv = rb_entry(parent, struct ubi_ainf_volume, rb);
if (vol_id == sv->vol_id)
return sv;
}
/* The volume is absent - add it */
- sv = kmalloc(sizeof(struct ubi_scan_volume), GFP_KERNEL);
+ sv = kmalloc(sizeof(struct ubi_ainf_volume), GFP_KERNEL);
if (!sv)
return ERR_PTR(-ENOMEM);
/**
* compare_lebs - find out which logical eraseblock is newer.
* @ubi: UBI device description object
- * @seb: first logical eraseblock to compare
+ * @aeb: first logical eraseblock to compare
* @pnum: physical eraseblock number of the second logical eraseblock to
* compare
* @vid_hdr: volume identifier header of the second logical eraseblock
* case of success this function returns a positive value, in case of failure, a
* negative error code is returned. The success return codes use the following
* bits:
- * o bit 0 is cleared: the first PEB (described by @seb) is newer than the
+ * o bit 0 is cleared: the first PEB (described by @aeb) is newer than the
* second PEB (described by @pnum and @vid_hdr);
* o bit 0 is set: the second PEB is newer;
* o bit 1 is cleared: no bit-flips were detected in the newer LEB;
* o bit 2 is cleared: the older LEB is not corrupted;
* o bit 2 is set: the older LEB is corrupted.
*/
-static int compare_lebs(struct ubi_device *ubi, const struct ubi_scan_leb *seb,
+static int compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
int pnum, const struct ubi_vid_hdr *vid_hdr)
{
void *buf;
struct ubi_vid_hdr *vh = NULL;
unsigned long long sqnum2 = be64_to_cpu(vid_hdr->sqnum);
- if (sqnum2 == seb->sqnum) {
+ if (sqnum2 == aeb->sqnum) {
/*
* This must be a really ancient UBI image which has been
* created before sequence numbers support has been added. At
}
/* Obviously the LEB with lower sequence counter is older */
- second_is_newer = !!(sqnum2 > seb->sqnum);
+ second_is_newer = (sqnum2 > aeb->sqnum);
/*
* Now we know which copy is newer. If the copy flag of the PEB with
return 1;
}
} else {
- if (!seb->copy_flag) {
+ if (!aeb->copy_flag) {
/* It is not a copy, so it is newer */
dbg_bld("first PEB %d is newer, copy_flag is unset",
pnum);
if (!vh)
return -ENOMEM;
- pnum = seb->pnum;
+ pnum = aeb->pnum;
err = ubi_io_read_vid_hdr(ubi, pnum, vh, 0);
if (err) {
if (err == UBI_IO_BITFLIPS)
bitflips = 1;
else {
- dbg_err("VID of PEB %d header is bad, but it "
+ ubi_err("VID of PEB %d header is bad, but it "
"was OK earlier, err %d", pnum, err);
if (err > 0)
err = -EIO;
* to be picked, while the older one has to be dropped. This function returns
* zero in case of success and a negative error code in case of failure.
*/
-int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si,
+int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *si,
int pnum, int ec, const struct ubi_vid_hdr *vid_hdr,
int bitflips)
{
int err, vol_id, lnum;
unsigned long long sqnum;
- struct ubi_scan_volume *sv;
- struct ubi_scan_leb *seb;
+ struct ubi_ainf_volume *sv;
+ struct ubi_ainf_peb *aeb;
struct rb_node **p, *parent = NULL;
vol_id = be32_to_cpu(vid_hdr->vol_id);
int cmp_res;
parent = *p;
- seb = rb_entry(parent, struct ubi_scan_leb, u.rb);
- if (lnum != seb->lnum) {
- if (lnum < seb->lnum)
+ aeb = rb_entry(parent, struct ubi_ainf_peb, u.rb);
+ if (lnum != aeb->lnum) {
+ if (lnum < aeb->lnum)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
* logical eraseblock present.
*/
- dbg_bld("this LEB already exists: PEB %d, sqnum %llu, "
- "EC %d", seb->pnum, seb->sqnum, seb->ec);
+ dbg_bld("this LEB already exists: PEB %d, sqnum %llu, EC %d",
+ aeb->pnum, aeb->sqnum, aeb->ec);
/*
* Make sure that the logical eraseblocks have different
* images, but refuse attaching old images with duplicated
* logical eraseblocks because there was an unclean reboot.
*/
- if (seb->sqnum == sqnum && sqnum != 0) {
+ if (aeb->sqnum == sqnum && sqnum != 0) {
ubi_err("two LEBs with same sequence number %llu",
sqnum);
- ubi_dbg_dump_seb(seb, 0);
- ubi_dbg_dump_vid_hdr(vid_hdr);
+ ubi_dump_aeb(aeb, 0);
+ ubi_dump_vid_hdr(vid_hdr);
return -EINVAL;
}
* Now we have to drop the older one and preserve the newer
* one.
*/
- cmp_res = compare_lebs(ubi, seb, pnum, vid_hdr);
+ cmp_res = compare_lebs(ubi, aeb, pnum, vid_hdr);
if (cmp_res < 0)
return cmp_res;
if (err)
return err;
- err = add_to_list(si, seb->pnum, seb->ec, cmp_res & 4,
+ err = add_to_list(si, aeb->pnum, aeb->ec, cmp_res & 4,
&si->erase);
if (err)
return err;
- seb->ec = ec;
- seb->pnum = pnum;
- seb->scrub = ((cmp_res & 2) || bitflips);
- seb->copy_flag = vid_hdr->copy_flag;
- seb->sqnum = sqnum;
+ aeb->ec = ec;
+ aeb->pnum = pnum;
+ aeb->scrub = ((cmp_res & 2) || bitflips);
+ aeb->copy_flag = vid_hdr->copy_flag;
+ aeb->sqnum = sqnum;
if (sv->highest_lnum == lnum)
sv->last_data_size =
if (err)
return err;
- seb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL);
- if (!seb)
+ aeb = kmem_cache_alloc(si->scan_leb_slab, GFP_KERNEL);
+ if (!aeb)
return -ENOMEM;
- seb->ec = ec;
- seb->pnum = pnum;
- seb->lnum = lnum;
- seb->scrub = bitflips;
- seb->copy_flag = vid_hdr->copy_flag;
- seb->sqnum = sqnum;
+ aeb->ec = ec;
+ aeb->pnum = pnum;
+ aeb->lnum = lnum;
+ aeb->scrub = bitflips;
+ aeb->copy_flag = vid_hdr->copy_flag;
+ aeb->sqnum = sqnum;
if (sv->highest_lnum <= lnum) {
sv->highest_lnum = lnum;
}
sv->leb_count += 1;
- rb_link_node(&seb->u.rb, parent, p);
- rb_insert_color(&seb->u.rb, &sv->root);
+ rb_link_node(&aeb->u.rb, parent, p);
+ rb_insert_color(&aeb->u.rb, &sv->root);
return 0;
}
* This function returns a pointer to the volume description or %NULL if there
* are no data about this volume in the scanning information.
*/
-struct ubi_scan_volume *ubi_scan_find_sv(const struct ubi_scan_info *si,
+struct ubi_ainf_volume *ubi_scan_find_sv(const struct ubi_attach_info *si,
int vol_id)
{
- struct ubi_scan_volume *sv;
+ struct ubi_ainf_volume *sv;
struct rb_node *p = si->volumes.rb_node;
while (p) {
- sv = rb_entry(p, struct ubi_scan_volume, rb);
+ sv = rb_entry(p, struct ubi_ainf_volume, rb);
if (vol_id == sv->vol_id)
return sv;
}
/**
- * ubi_scan_find_seb - find LEB in the volume scanning information.
+ * ubi_scan_find_aeb - find LEB in the volume scanning information.
* @sv: a pointer to the volume scanning information
* @lnum: the requested logical eraseblock
*
* This function returns a pointer to the scanning logical eraseblock or %NULL
* if there are no data about it in the scanning volume information.
*/
-struct ubi_scan_leb *ubi_scan_find_seb(const struct ubi_scan_volume *sv,
+struct ubi_ainf_peb *ubi_scan_find_aeb(const struct ubi_ainf_volume *sv,
int lnum)
{
- struct ubi_scan_leb *seb;
+ struct ubi_ainf_peb *aeb;
struct rb_node *p = sv->root.rb_node;
while (p) {
- seb = rb_entry(p, struct ubi_scan_leb, u.rb);
+ aeb = rb_entry(p, struct ubi_ainf_peb, u.rb);
- if (lnum == seb->lnum)
- return seb;
+ if (lnum == aeb->lnum)
+ return aeb;
- if (lnum > seb->lnum)
+ if (lnum > aeb->lnum)
p = p->rb_left;
else
p = p->rb_right;
* @si: scanning information
* @sv: the volume scanning information to delete
*/
-void ubi_scan_rm_volume(struct ubi_scan_info *si, struct ubi_scan_volume *sv)
+void ubi_scan_rm_volume(struct ubi_attach_info *si, struct ubi_ainf_volume *sv)
{
struct rb_node *rb;
- struct ubi_scan_leb *seb;
+ struct ubi_ainf_peb *aeb;
dbg_bld("remove scanning information about volume %d", sv->vol_id);
while ((rb = rb_first(&sv->root))) {
- seb = rb_entry(rb, struct ubi_scan_leb, u.rb);
- rb_erase(&seb->u.rb, &sv->root);
- list_add_tail(&seb->u.list, &si->erase);
+ aeb = rb_entry(rb, struct ubi_ainf_peb, u.rb);
+ rb_erase(&aeb->u.rb, &sv->root);
+ list_add_tail(&aeb->u.list, &si->erase);
}
rb_erase(&sv->rb, &si->volumes);
* This function returns zero in case of success and a negative error code in
* case of failure.
*/
-int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_scan_info *si,
+int ubi_scan_erase_peb(struct ubi_device *ubi, const struct ubi_attach_info *si,
int pnum, int ec)
{
int err;
* This function returns scanning physical eraseblock information in case of
* success and an error code in case of failure.
*/
-struct ubi_scan_leb *ubi_scan_get_free_peb(struct ubi_device *ubi,
- struct ubi_scan_info *si)
+struct ubi_ainf_peb *ubi_scan_get_free_peb(struct ubi_device *ubi,
+ struct ubi_attach_info *si)
{
int err = 0;
- struct ubi_scan_leb *seb, *tmp_seb;
+ struct ubi_ainf_peb *aeb, *tmp_aeb;
if (!list_empty(&si->free)) {
- seb = list_entry(si->free.next, struct ubi_scan_leb, u.list);
- list_del(&seb->u.list);
- dbg_bld("return free PEB %d, EC %d", seb->pnum, seb->ec);
- return seb;
+ aeb = list_entry(si->free.next, struct ubi_ainf_peb, u.list);
+ list_del(&aeb->u.list);
+ dbg_bld("return free PEB %d, EC %d", aeb->pnum, aeb->ec);
+ return aeb;
}
/*
* so forth. We don't want to take care about bad eraseblocks here -
* they'll be handled later.
*/
- list_for_each_entry_safe(seb, tmp_seb, &si->erase, u.list) {
- if (seb->ec == UBI_SCAN_UNKNOWN_EC)
- seb->ec = si->mean_ec;
+ list_for_each_entry_safe(aeb, tmp_aeb, &si->erase, u.list) {
+ if (aeb->ec == UBI_SCAN_UNKNOWN_EC)
+ aeb->ec = si->mean_ec;
- err = ubi_scan_erase_peb(ubi, si, seb->pnum, seb->ec+1);
+ err = ubi_scan_erase_peb(ubi, si, aeb->pnum, aeb->ec+1);
if (err)
continue;
- seb->ec += 1;
- list_del(&seb->u.list);
- dbg_bld("return PEB %d, EC %d", seb->pnum, seb->ec);
- return seb;
+ aeb->ec += 1;
+ list_del(&aeb->u.list);
+ dbg_bld("return PEB %d, EC %d", aeb->pnum, aeb->ec);
+ return aeb;
}
ubi_err("no free eraseblocks");
ubi_err("PEB %d contains corrupted VID header, and the data does not "
"contain all 0xFF, this may be a non-UBI PEB or a severe VID "
"header corruption which requires manual inspection", pnum);
- ubi_dbg_dump_vid_hdr(vid_hdr);
+ ubi_dump_vid_hdr(vid_hdr);
dbg_msg("hexdump of PEB %d offset %d, length %d",
pnum, ubi->leb_start, ubi->leb_size);
ubi_dbg_print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
* This function returns a zero if the physical eraseblock was successfully
* handled and a negative error code in case of failure.
*/
-static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
+static int process_eb(struct ubi_device *ubi, struct ubi_attach_info *si,
int pnum)
{
long long uninitialized_var(ec);
*/
ubi_err("erase counter overflow, max is %d",
UBI_MAX_ERASECOUNTER);
- ubi_dbg_dump_ec_hdr(ech);
+ ubi_dump_ec_hdr(ech);
return -EINVAL;
}
ubi->image_seq != image_seq) {
ubi_err("bad image sequence number %d in PEB %d, "
"expected %d", image_seq, pnum, ubi->image_seq);
- ubi_dbg_dump_ec_hdr(ech);
+ ubi_dump_ec_hdr(ech);
return -EINVAL;
}
}
* MTD device. Returns zero if we should proceed with attaching the MTD device,
* and %-EINVAL if we should not.
*/
-static int check_what_we_have(struct ubi_device *ubi, struct ubi_scan_info *si)
+static int check_what_we_have(struct ubi_device *ubi,
+ struct ubi_attach_info *si)
{
- struct ubi_scan_leb *seb;
+ struct ubi_ainf_peb *aeb;
int max_corr, peb_count;
peb_count = ubi->peb_count - si->bad_peb_count - si->alien_peb_count;
ubi_err("%d PEBs are corrupted and preserved",
si->corr_peb_count);
printk(KERN_ERR "Corrupted PEBs are:");
- list_for_each_entry(seb, &si->corr, u.list)
- printk(KERN_CONT " %d", seb->pnum);
+ list_for_each_entry(aeb, &si->corr, u.list)
+ printk(KERN_CONT " %d", aeb->pnum);
printk(KERN_CONT "\n");
/*
* This function does full scanning of an MTD device and returns complete
* information about it. In case of failure, an error code is returned.
*/
-struct ubi_scan_info *ubi_scan(struct ubi_device *ubi)
+struct ubi_attach_info *ubi_scan(struct ubi_device *ubi)
{
int err, pnum;
struct rb_node *rb1, *rb2;
- struct ubi_scan_volume *sv;
- struct ubi_scan_leb *seb;
- struct ubi_scan_info *si;
+ struct ubi_ainf_volume *sv;
+ struct ubi_ainf_peb *aeb;
+ struct ubi_attach_info *si;
- si = kzalloc(sizeof(struct ubi_scan_info), GFP_KERNEL);
+ si = kzalloc(sizeof(struct ubi_attach_info), GFP_KERNEL);
if (!si)
return ERR_PTR(-ENOMEM);
err = -ENOMEM;
si->scan_leb_slab = kmem_cache_create("ubi_scan_leb_slab",
- sizeof(struct ubi_scan_leb),
+ sizeof(struct ubi_ainf_peb),
0, 0, NULL);
if (!si->scan_leb_slab)
goto out_si;
* value.
*/
ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb) {
- ubi_rb_for_each_entry(rb2, seb, &sv->root, u.rb)
- if (seb->ec == UBI_SCAN_UNKNOWN_EC)
- seb->ec = si->mean_ec;
+ ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb)
+ if (aeb->ec == UBI_SCAN_UNKNOWN_EC)
+ aeb->ec = si->mean_ec;
}
- list_for_each_entry(seb, &si->free, u.list) {
- if (seb->ec == UBI_SCAN_UNKNOWN_EC)
- seb->ec = si->mean_ec;
+ list_for_each_entry(aeb, &si->free, u.list) {
+ if (aeb->ec == UBI_SCAN_UNKNOWN_EC)
+ aeb->ec = si->mean_ec;
}
- list_for_each_entry(seb, &si->corr, u.list)
- if (seb->ec == UBI_SCAN_UNKNOWN_EC)
- seb->ec = si->mean_ec;
+ list_for_each_entry(aeb, &si->corr, u.list)
+ if (aeb->ec == UBI_SCAN_UNKNOWN_EC)
+ aeb->ec = si->mean_ec;
- list_for_each_entry(seb, &si->erase, u.list)
- if (seb->ec == UBI_SCAN_UNKNOWN_EC)
- seb->ec = si->mean_ec;
+ list_for_each_entry(aeb, &si->erase, u.list)
+ if (aeb->ec == UBI_SCAN_UNKNOWN_EC)
+ aeb->ec = si->mean_ec;
- err = paranoid_check_si(ubi, si);
+ err = self_check_si(ubi, si);
if (err)
goto out_vidh;
* This function destroys the volume RB-tree (@sv->root) and the scanning
* volume information.
*/
-static void destroy_sv(struct ubi_scan_info *si, struct ubi_scan_volume *sv)
+static void destroy_sv(struct ubi_attach_info *si, struct ubi_ainf_volume *sv)
{
- struct ubi_scan_leb *seb;
+ struct ubi_ainf_peb *aeb;
struct rb_node *this = sv->root.rb_node;
while (this) {
else if (this->rb_right)
this = this->rb_right;
else {
- seb = rb_entry(this, struct ubi_scan_leb, u.rb);
+ aeb = rb_entry(this, struct ubi_ainf_peb, u.rb);
this = rb_parent(this);
if (this) {
- if (this->rb_left == &seb->u.rb)
+ if (this->rb_left == &aeb->u.rb)
this->rb_left = NULL;
else
this->rb_right = NULL;
}
- kmem_cache_free(si->scan_leb_slab, seb);
+ kmem_cache_free(si->scan_leb_slab, aeb);
}
}
kfree(sv);
* ubi_scan_destroy_si - destroy scanning information.
* @si: scanning information
*/
-void ubi_scan_destroy_si(struct ubi_scan_info *si)
+void ubi_scan_destroy_si(struct ubi_attach_info *si)
{
- struct ubi_scan_leb *seb, *seb_tmp;
- struct ubi_scan_volume *sv;
+ struct ubi_ainf_peb *aeb, *aeb_tmp;
+ struct ubi_ainf_volume *sv;
struct rb_node *rb;
- list_for_each_entry_safe(seb, seb_tmp, &si->alien, u.list) {
- list_del(&seb->u.list);
- kmem_cache_free(si->scan_leb_slab, seb);
+ list_for_each_entry_safe(aeb, aeb_tmp, &si->alien, u.list) {
+ list_del(&aeb->u.list);
+ kmem_cache_free(si->scan_leb_slab, aeb);
}
- list_for_each_entry_safe(seb, seb_tmp, &si->erase, u.list) {
- list_del(&seb->u.list);
- kmem_cache_free(si->scan_leb_slab, seb);
+ list_for_each_entry_safe(aeb, aeb_tmp, &si->erase, u.list) {
+ list_del(&aeb->u.list);
+ kmem_cache_free(si->scan_leb_slab, aeb);
}
- list_for_each_entry_safe(seb, seb_tmp, &si->corr, u.list) {
- list_del(&seb->u.list);
- kmem_cache_free(si->scan_leb_slab, seb);
+ list_for_each_entry_safe(aeb, aeb_tmp, &si->corr, u.list) {
+ list_del(&aeb->u.list);
+ kmem_cache_free(si->scan_leb_slab, aeb);
}
- list_for_each_entry_safe(seb, seb_tmp, &si->free, u.list) {
- list_del(&seb->u.list);
- kmem_cache_free(si->scan_leb_slab, seb);
+ list_for_each_entry_safe(aeb, aeb_tmp, &si->free, u.list) {
+ list_del(&aeb->u.list);
+ kmem_cache_free(si->scan_leb_slab, aeb);
}
/* Destroy the volume RB-tree */
else if (rb->rb_right)
rb = rb->rb_right;
else {
- sv = rb_entry(rb, struct ubi_scan_volume, rb);
+ sv = rb_entry(rb, struct ubi_ainf_volume, rb);
rb = rb_parent(rb);
if (rb) {
kfree(si);
}
-#ifdef CONFIG_MTD_UBI_DEBUG
-
/**
- * paranoid_check_si - check the scanning information.
+ * self_check_si - check the scanning information.
* @ubi: UBI device description object
* @si: scanning information
*
* This function returns zero if the scanning information is all right, and a
* negative error code if not or if an error occurred.
*/
-static int paranoid_check_si(struct ubi_device *ubi, struct ubi_scan_info *si)
+static int self_check_si(struct ubi_device *ubi, struct ubi_attach_info *si)
{
int pnum, err, vols_found = 0;
struct rb_node *rb1, *rb2;
- struct ubi_scan_volume *sv;
- struct ubi_scan_leb *seb, *last_seb;
+ struct ubi_ainf_volume *sv;
+ struct ubi_ainf_peb *aeb, *last_aeb;
uint8_t *buf;
if (!ubi->dbg->chk_gen)
goto bad_sv;
}
- last_seb = NULL;
- ubi_rb_for_each_entry(rb2, seb, &sv->root, u.rb) {
+ last_aeb = NULL;
+ ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb) {
cond_resched();
- last_seb = seb;
+ last_aeb = aeb;
leb_count += 1;
- if (seb->pnum < 0 || seb->ec < 0) {
+ if (aeb->pnum < 0 || aeb->ec < 0) {
ubi_err("negative values");
- goto bad_seb;
+ goto bad_aeb;
}
- if (seb->ec < si->min_ec) {
+ if (aeb->ec < si->min_ec) {
ubi_err("bad si->min_ec (%d), %d found",
- si->min_ec, seb->ec);
- goto bad_seb;
+ si->min_ec, aeb->ec);
+ goto bad_aeb;
}
- if (seb->ec > si->max_ec) {
+ if (aeb->ec > si->max_ec) {
ubi_err("bad si->max_ec (%d), %d found",
- si->max_ec, seb->ec);
- goto bad_seb;
+ si->max_ec, aeb->ec);
+ goto bad_aeb;
}
- if (seb->pnum >= ubi->peb_count) {
+ if (aeb->pnum >= ubi->peb_count) {
ubi_err("too high PEB number %d, total PEBs %d",
- seb->pnum, ubi->peb_count);
- goto bad_seb;
+ aeb->pnum, ubi->peb_count);
+ goto bad_aeb;
}
if (sv->vol_type == UBI_STATIC_VOLUME) {
- if (seb->lnum >= sv->used_ebs) {
+ if (aeb->lnum >= sv->used_ebs) {
ubi_err("bad lnum or used_ebs");
- goto bad_seb;
+ goto bad_aeb;
}
} else {
if (sv->used_ebs != 0) {
ubi_err("non-zero used_ebs");
- goto bad_seb;
+ goto bad_aeb;
}
}
- if (seb->lnum > sv->highest_lnum) {
+ if (aeb->lnum > sv->highest_lnum) {
ubi_err("incorrect highest_lnum or lnum");
- goto bad_seb;
+ goto bad_aeb;
}
}
goto bad_sv;
}
- if (!last_seb)
+ if (!last_aeb)
continue;
- seb = last_seb;
+ aeb = last_aeb;
- if (seb->lnum != sv->highest_lnum) {
+ if (aeb->lnum != sv->highest_lnum) {
ubi_err("bad highest_lnum");
- goto bad_seb;
+ goto bad_aeb;
}
}
/* Check that scanning information is correct */
ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb) {
- last_seb = NULL;
- ubi_rb_for_each_entry(rb2, seb, &sv->root, u.rb) {
+ last_aeb = NULL;
+ ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb) {
int vol_type;
cond_resched();
- last_seb = seb;
+ last_aeb = aeb;
- err = ubi_io_read_vid_hdr(ubi, seb->pnum, vidh, 1);
+ err = ubi_io_read_vid_hdr(ubi, aeb->pnum, vidh, 1);
if (err && err != UBI_IO_BITFLIPS) {
ubi_err("VID header is not OK (%d)", err);
if (err > 0)
goto bad_vid_hdr;
}
- if (seb->sqnum != be64_to_cpu(vidh->sqnum)) {
- ubi_err("bad sqnum %llu", seb->sqnum);
+ if (aeb->sqnum != be64_to_cpu(vidh->sqnum)) {
+ ubi_err("bad sqnum %llu", aeb->sqnum);
goto bad_vid_hdr;
}
goto bad_vid_hdr;
}
- if (seb->lnum != be32_to_cpu(vidh->lnum)) {
- ubi_err("bad lnum %d", seb->lnum);
+ if (aeb->lnum != be32_to_cpu(vidh->lnum)) {
+ ubi_err("bad lnum %d", aeb->lnum);
goto bad_vid_hdr;
}
}
}
- if (!last_seb)
+ if (!last_aeb)
continue;
if (sv->highest_lnum != be32_to_cpu(vidh->lnum)) {
}
ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb)
- ubi_rb_for_each_entry(rb2, seb, &sv->root, u.rb)
- buf[seb->pnum] = 1;
+ ubi_rb_for_each_entry(rb2, aeb, &sv->root, u.rb)
+ buf[aeb->pnum] = 1;
- list_for_each_entry(seb, &si->free, u.list)
- buf[seb->pnum] = 1;
+ list_for_each_entry(aeb, &si->free, u.list)
+ buf[aeb->pnum] = 1;
- list_for_each_entry(seb, &si->corr, u.list)
- buf[seb->pnum] = 1;
+ list_for_each_entry(aeb, &si->corr, u.list)
+ buf[aeb->pnum] = 1;
- list_for_each_entry(seb, &si->erase, u.list)
- buf[seb->pnum] = 1;
+ list_for_each_entry(aeb, &si->erase, u.list)
+ buf[aeb->pnum] = 1;
- list_for_each_entry(seb, &si->alien, u.list)
- buf[seb->pnum] = 1;
+ list_for_each_entry(aeb, &si->alien, u.list)
+ buf[aeb->pnum] = 1;
err = 0;
for (pnum = 0; pnum < ubi->peb_count; pnum++)
goto out;
return 0;
-bad_seb:
- ubi_err("bad scanning information about LEB %d", seb->lnum);
- ubi_dbg_dump_seb(seb, 0);
- ubi_dbg_dump_sv(sv);
+bad_aeb:
+ ubi_err("bad scanning information about LEB %d", aeb->lnum);
+ ubi_dump_aeb(aeb, 0);
+ ubi_dump_sv(sv);
goto out;
bad_sv:
ubi_err("bad scanning information about volume %d", sv->vol_id);
- ubi_dbg_dump_sv(sv);
+ ubi_dump_sv(sv);
goto out;
bad_vid_hdr:
ubi_err("bad scanning information about volume %d", sv->vol_id);
- ubi_dbg_dump_sv(sv);
- ubi_dbg_dump_vid_hdr(vidh);
+ ubi_dump_sv(sv);
+ ubi_dump_vid_hdr(vidh);
out:
- ubi_dbg_dump_stack();
+ dump_stack();
return -EINVAL;
}
-
-#endif /* CONFIG_MTD_UBI_DEBUG */
projects / linux.git / blobdiff