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path: root/fs/ubifs/lpt_commit.c
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Diffstat (limited to 'fs/ubifs/lpt_commit.c')
-rw-r--r--fs/ubifs/lpt_commit.c150
1 files changed, 67 insertions, 83 deletions
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index cddd6bd214f4..4b826abb1528 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -30,11 +30,7 @@
#include <linux/random.h>
#include "ubifs.h"
-#ifdef CONFIG_UBIFS_FS_DEBUG
static int dbg_populate_lsave(struct ubifs_info *c);
-#else
-#define dbg_populate_lsave(c) 0
-#endif
/**
* first_dirty_cnode - find first dirty cnode.
@@ -324,11 +320,10 @@ static int layout_cnodes(struct ubifs_info *c)
return 0;
no_space:
- ubifs_err("LPT out of space");
- dbg_err("LPT out of space at LEB %d:%d needing %d, done_ltab %d, "
- "done_lsave %d", lnum, offs, len, done_ltab, done_lsave);
- dbg_dump_lpt_info(c);
- dbg_dump_lpt_lebs(c);
+ ubifs_err("LPT out of space at LEB %d:%d needing %d, done_ltab %d, done_lsave %d",
+ lnum, offs, len, done_ltab, done_lsave);
+ ubifs_dump_lpt_info(c);
+ ubifs_dump_lpt_lebs(c);
dump_stack();
return err;
}
@@ -421,7 +416,7 @@ static int write_cnodes(struct ubifs_info *c)
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
err = ubifs_leb_write(c, lnum, buf + from, from,
- alen, UBI_SHORTTERM);
+ alen);
if (err)
return err;
}
@@ -479,8 +474,7 @@ static int write_cnodes(struct ubifs_info *c)
wlen = offs - from;
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
- err = ubifs_leb_write(c, lnum, buf + from, from, alen,
- UBI_SHORTTERM);
+ err = ubifs_leb_write(c, lnum, buf + from, from, alen);
if (err)
return err;
dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
@@ -506,8 +500,7 @@ static int write_cnodes(struct ubifs_info *c)
wlen = offs - from;
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
- err = ubifs_leb_write(c, lnum, buf + from, from, alen,
- UBI_SHORTTERM);
+ err = ubifs_leb_write(c, lnum, buf + from, from, alen);
if (err)
return err;
dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
@@ -531,7 +524,7 @@ static int write_cnodes(struct ubifs_info *c)
wlen = offs - from;
alen = ALIGN(wlen, c->min_io_size);
memset(buf + offs, 0xff, alen - wlen);
- err = ubifs_leb_write(c, lnum, buf + from, from, alen, UBI_SHORTTERM);
+ err = ubifs_leb_write(c, lnum, buf + from, from, alen);
if (err)
return err;
@@ -552,11 +545,10 @@ static int write_cnodes(struct ubifs_info *c)
return 0;
no_space:
- ubifs_err("LPT out of space mismatch");
- dbg_err("LPT out of space mismatch at LEB %d:%d needing %d, done_ltab "
- "%d, done_lsave %d", lnum, offs, len, done_ltab, done_lsave);
- dbg_dump_lpt_info(c);
- dbg_dump_lpt_lebs(c);
+ ubifs_err("LPT out of space mismatch at LEB %d:%d needing %d, done_ltab %d, done_lsave %d",
+ lnum, offs, len, done_ltab, done_lsave);
+ ubifs_dump_lpt_info(c);
+ ubifs_dump_lpt_lebs(c);
dump_stack();
return err;
}
@@ -1497,7 +1489,9 @@ void ubifs_lpt_free(struct ubifs_info *c, int wr_only)
kfree(c->lpt_nod_buf);
}
-#ifdef CONFIG_UBIFS_FS_DEBUG
+/*
+ * Everything below is related to debugging.
+ */
/**
* dbg_is_all_ff - determine if a buffer contains only 0xFF bytes.
@@ -1668,21 +1662,19 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum)
continue;
}
if (!dbg_is_all_ff(p, len)) {
- dbg_msg("invalid empty space in LEB %d at %d",
- lnum, c->leb_size - len);
+ ubifs_err("invalid empty space in LEB %d at %d",
+ lnum, c->leb_size - len);
err = -EINVAL;
}
i = lnum - c->lpt_first;
if (len != c->ltab[i].free) {
- dbg_msg("invalid free space in LEB %d "
- "(free %d, expected %d)",
- lnum, len, c->ltab[i].free);
+ ubifs_err("invalid free space in LEB %d (free %d, expected %d)",
+ lnum, len, c->ltab[i].free);
err = -EINVAL;
}
if (dirty != c->ltab[i].dirty) {
- dbg_msg("invalid dirty space in LEB %d "
- "(dirty %d, expected %d)",
- lnum, dirty, c->ltab[i].dirty);
+ ubifs_err("invalid dirty space in LEB %d (dirty %d, expected %d)",
+ lnum, dirty, c->ltab[i].dirty);
err = -EINVAL;
}
goto out;
@@ -1735,7 +1727,7 @@ int dbg_check_ltab(struct ubifs_info *c)
for (lnum = c->lpt_first; lnum <= c->lpt_last; lnum++) {
err = dbg_check_ltab_lnum(c, lnum);
if (err) {
- dbg_err("failed at LEB %d", lnum);
+ ubifs_err("failed at LEB %d", lnum);
return err;
}
}
@@ -1767,10 +1759,10 @@ int dbg_chk_lpt_free_spc(struct ubifs_info *c)
free += c->leb_size;
}
if (free < c->lpt_sz) {
- dbg_err("LPT space error: free %lld lpt_sz %lld",
- free, c->lpt_sz);
- dbg_dump_lpt_info(c);
- dbg_dump_lpt_lebs(c);
+ ubifs_err("LPT space error: free %lld lpt_sz %lld",
+ free, c->lpt_sz);
+ ubifs_dump_lpt_info(c);
+ ubifs_dump_lpt_lebs(c);
dump_stack();
return -EINVAL;
}
@@ -1807,13 +1799,13 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
d->chk_lpt_lebs = 0;
d->chk_lpt_wastage = 0;
if (c->dirty_pn_cnt > c->pnode_cnt) {
- dbg_err("dirty pnodes %d exceed max %d",
- c->dirty_pn_cnt, c->pnode_cnt);
+ ubifs_err("dirty pnodes %d exceed max %d",
+ c->dirty_pn_cnt, c->pnode_cnt);
err = -EINVAL;
}
if (c->dirty_nn_cnt > c->nnode_cnt) {
- dbg_err("dirty nnodes %d exceed max %d",
- c->dirty_nn_cnt, c->nnode_cnt);
+ ubifs_err("dirty nnodes %d exceed max %d",
+ c->dirty_nn_cnt, c->nnode_cnt);
err = -EINVAL;
}
return err;
@@ -1830,23 +1822,23 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
chk_lpt_sz *= d->chk_lpt_lebs;
chk_lpt_sz += len - c->nhead_offs;
if (d->chk_lpt_sz != chk_lpt_sz) {
- dbg_err("LPT wrote %lld but space used was %lld",
- d->chk_lpt_sz, chk_lpt_sz);
+ ubifs_err("LPT wrote %lld but space used was %lld",
+ d->chk_lpt_sz, chk_lpt_sz);
err = -EINVAL;
}
if (d->chk_lpt_sz > c->lpt_sz) {
- dbg_err("LPT wrote %lld but lpt_sz is %lld",
- d->chk_lpt_sz, c->lpt_sz);
+ ubifs_err("LPT wrote %lld but lpt_sz is %lld",
+ d->chk_lpt_sz, c->lpt_sz);
err = -EINVAL;
}
if (d->chk_lpt_sz2 && d->chk_lpt_sz != d->chk_lpt_sz2) {
- dbg_err("LPT layout size %lld but wrote %lld",
- d->chk_lpt_sz, d->chk_lpt_sz2);
+ ubifs_err("LPT layout size %lld but wrote %lld",
+ d->chk_lpt_sz, d->chk_lpt_sz2);
err = -EINVAL;
}
if (d->chk_lpt_sz2 && d->new_nhead_offs != len) {
- dbg_err("LPT new nhead offs: expected %d was %d",
- d->new_nhead_offs, len);
+ ubifs_err("LPT new nhead offs: expected %d was %d",
+ d->new_nhead_offs, len);
err = -EINVAL;
}
lpt_sz = (long long)c->pnode_cnt * c->pnode_sz;
@@ -1855,13 +1847,13 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
if (c->big_lpt)
lpt_sz += c->lsave_sz;
if (d->chk_lpt_sz - d->chk_lpt_wastage > lpt_sz) {
- dbg_err("LPT chk_lpt_sz %lld + waste %lld exceeds %lld",
- d->chk_lpt_sz, d->chk_lpt_wastage, lpt_sz);
+ ubifs_err("LPT chk_lpt_sz %lld + waste %lld exceeds %lld",
+ d->chk_lpt_sz, d->chk_lpt_wastage, lpt_sz);
err = -EINVAL;
}
if (err) {
- dbg_dump_lpt_info(c);
- dbg_dump_lpt_lebs(c);
+ ubifs_dump_lpt_info(c);
+ ubifs_dump_lpt_lebs(c);
dump_stack();
}
d->chk_lpt_sz2 = d->chk_lpt_sz;
@@ -1880,7 +1872,7 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
}
/**
- * dbg_dump_lpt_leb - dump an LPT LEB.
+ * ubifs_dump_lpt_leb - dump an LPT LEB.
* @c: UBIFS file-system description object
* @lnum: LEB number to dump
*
@@ -1894,8 +1886,7 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
int err, len = c->leb_size, node_type, node_num, node_len, offs;
void *buf, *p;
- printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n",
- current->pid, lnum);
+ pr_err("(pid %d) start dumping LEB %d\n", current->pid, lnum);
buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory to dump LPT");
@@ -1913,14 +1904,14 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
pad_len = get_pad_len(c, p, len);
if (pad_len) {
- printk(KERN_DEBUG "LEB %d:%d, pad %d bytes\n",
+ pr_err("LEB %d:%d, pad %d bytes\n",
lnum, offs, pad_len);
p += pad_len;
len -= pad_len;
continue;
}
if (len)
- printk(KERN_DEBUG "LEB %d:%d, free %d bytes\n",
+ pr_err("LEB %d:%d, free %d bytes\n",
lnum, offs, len);
break;
}
@@ -1931,11 +1922,10 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
{
node_len = c->pnode_sz;
if (c->big_lpt)
- printk(KERN_DEBUG "LEB %d:%d, pnode num %d\n",
+ pr_err("LEB %d:%d, pnode num %d\n",
lnum, offs, node_num);
else
- printk(KERN_DEBUG "LEB %d:%d, pnode\n",
- lnum, offs);
+ pr_err("LEB %d:%d, pnode\n", lnum, offs);
break;
}
case UBIFS_LPT_NNODE:
@@ -1945,29 +1935,28 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
node_len = c->nnode_sz;
if (c->big_lpt)
- printk(KERN_DEBUG "LEB %d:%d, nnode num %d, ",
+ pr_err("LEB %d:%d, nnode num %d, ",
lnum, offs, node_num);
else
- printk(KERN_DEBUG "LEB %d:%d, nnode, ",
+ pr_err("LEB %d:%d, nnode, ",
lnum, offs);
err = ubifs_unpack_nnode(c, p, &nnode);
for (i = 0; i < UBIFS_LPT_FANOUT; i++) {
- printk(KERN_CONT "%d:%d", nnode.nbranch[i].lnum,
+ pr_cont("%d:%d", nnode.nbranch[i].lnum,
nnode.nbranch[i].offs);
if (i != UBIFS_LPT_FANOUT - 1)
- printk(KERN_CONT ", ");
+ pr_cont(", ");
}
- printk(KERN_CONT "\n");
+ pr_cont("\n");
break;
}
case UBIFS_LPT_LTAB:
node_len = c->ltab_sz;
- printk(KERN_DEBUG "LEB %d:%d, ltab\n",
- lnum, offs);
+ pr_err("LEB %d:%d, ltab\n", lnum, offs);
break;
case UBIFS_LPT_LSAVE:
node_len = c->lsave_sz;
- printk(KERN_DEBUG "LEB %d:%d, lsave len\n", lnum, offs);
+ pr_err("LEB %d:%d, lsave len\n", lnum, offs);
break;
default:
ubifs_err("LPT node type %d not recognized", node_type);
@@ -1978,30 +1967,27 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
len -= node_len;
}
- printk(KERN_DEBUG "(pid %d) finish dumping LEB %d\n",
- current->pid, lnum);
+ pr_err("(pid %d) finish dumping LEB %d\n", current->pid, lnum);
out:
vfree(buf);
return;
}
/**
- * dbg_dump_lpt_lebs - dump LPT lebs.
+ * ubifs_dump_lpt_lebs - dump LPT lebs.
* @c: UBIFS file-system description object
*
* This function dumps all LPT LEBs. The caller has to make sure the LPT is
* locked.
*/
-void dbg_dump_lpt_lebs(const struct ubifs_info *c)
+void ubifs_dump_lpt_lebs(const struct ubifs_info *c)
{
int i;
- printk(KERN_DEBUG "(pid %d) start dumping all LPT LEBs\n",
- current->pid);
+ pr_err("(pid %d) start dumping all LPT LEBs\n", current->pid);
for (i = 0; i < c->lpt_lebs; i++)
dump_lpt_leb(c, i + c->lpt_first);
- printk(KERN_DEBUG "(pid %d) finish dumping all LPT LEBs\n",
- current->pid);
+ pr_err("(pid %d) finish dumping all LPT LEBs\n", current->pid);
}
/**
@@ -2021,30 +2007,28 @@ static int dbg_populate_lsave(struct ubifs_info *c)
if (!dbg_is_chk_gen(c))
return 0;
- if (random32() & 3)
+ if (prandom_u32() & 3)
return 0;
for (i = 0; i < c->lsave_cnt; i++)
c->lsave[i] = c->main_first;
list_for_each_entry(lprops, &c->empty_list, list)
- c->lsave[random32() % c->lsave_cnt] = lprops->lnum;
+ c->lsave[prandom_u32() % c->lsave_cnt] = lprops->lnum;
list_for_each_entry(lprops, &c->freeable_list, list)
- c->lsave[random32() % c->lsave_cnt] = lprops->lnum;
+ c->lsave[prandom_u32() % c->lsave_cnt] = lprops->lnum;
list_for_each_entry(lprops, &c->frdi_idx_list, list)
- c->lsave[random32() % c->lsave_cnt] = lprops->lnum;
+ c->lsave[prandom_u32() % c->lsave_cnt] = lprops->lnum;
heap = &c->lpt_heap[LPROPS_DIRTY_IDX - 1];
for (i = 0; i < heap->cnt; i++)
- c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;
+ c->lsave[prandom_u32() % c->lsave_cnt] = heap->arr[i]->lnum;
heap = &c->lpt_heap[LPROPS_DIRTY - 1];
for (i = 0; i < heap->cnt; i++)
- c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;
+ c->lsave[prandom_u32() % c->lsave_cnt] = heap->arr[i]->lnum;
heap = &c->lpt_heap[LPROPS_FREE - 1];
for (i = 0; i < heap->cnt; i++)
- c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;
+ c->lsave[prandom_u32() % c->lsave_cnt] = heap->arr[i]->lnum;
return 1;
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-26 08:27:14 +0000